Solid composition comprising a cationic surfactant, a starch, a silicone and a non-silicone fatty substance

Abstract

The present invention relates to a solid composition intended in particular for the cosmetic treatment, and more particularly for the care, of keratin fibers, in particular human keratin fibers such as hair, and which comprises at least one cationic surfactant, at least one starch, at least one silicone and at least one non-silicone fatty substance. The invention also relates to a packaging article containing said solid composition, as well as methods for the cosmetic treatment of keratin fibers, in particular human keratin fibers such as hair, using said solid composition or said packaging article. The invention further relates to the use of said solid composition or said packaging article for the cosmetic treatment, preferably the care, of keratin fibers, in particular human keratin fibers such as hair.

Description

Description Title of the invention: Solid composition comprising a cationic surfactant, a starch, a silicone and a non-silicone fatty substance

[0001] — The present invention relates to a solid composition intended in particular for cosmetic treatment, and more particularly the care of keratin fibers, including human keratin fibers such as hair, and which includes at least one cationic surfactant, at least one starch, at least one silicone and at least less non-silicone fatty substance.

[0002] …— The invention also relates to a packaging article containing said solid composition, as well as cosmetic treatment processes for kera-fibers tinics, in particular human keratin fibers such as hair putting implementing said solid composition or said packaging article.

[0003] — The invention further relates to the use of said solid composition or said packaging article for cosmetic treatment, preferably care, of keratin fibers, in particular human keratin fibers such as hair.

[0004] — In the field of hair hygiene, care (or conditioning) products keratin fibers are generally intended to condition said fibers for provide them with good cosmetic properties. Classic products, such as conditioners, most often come in more or less liquid form thickened. Due to their liquid texture, these products can however present various disadvantages, and in particular, they can be difficult to dose.

[0005] — In fact, the more liquid they are, the more they tend to escape between the fingers, making their dosage difficult and leading to waste. These products can also leak out of their packaging, which can cause discomfort to the consumer when these products come into contact with clothing or objects, for example example when moving.

[0006] — In order to modify the texture of these products, and in particular make it more compact, thickeners are generally used. The addition of these compounds is however done often to the detriment of the cosmetic effects of the compositions. The use of these Thicker compositions also require a lot of rinsing water in order to to eliminate excess product on the fibers. However, in many countries where access to water is restricted, the rinsing time and therefore the quantity of water required to rinse the product well are key indicators of the usage qualities of a com- position.

[0007] — In order to overcome some of these problems, new cosmetic formulations Solid formulations, including conditioners in the form of granules or solid powder, have been developed. Such formulations are described, for example, in US 2021 / 007960. However, these new formulations are not always entirely satisfactory. Those in the form of loose powder can indeed pose problems of volatility, gripping and / or dosage. Those in the form of agglomerates, such as granules for example, can tend to disintegrate or disintegrate with difficulty in the presence of water, adversely impacting their use and their spreading on keratin fibers, and do not always provide satisfactory care. They can also be difficult to remove when rinsing and sometimes even leave residues on the fibers that are unpleasant for the consumer. Conditioners in powder or particle form may lose fluidity during storage due to the clumping of solid unit particles, which can negatively impact the usability. These formulations may also not provide complete satisfaction in terms of cosmetic performance, particularly in terms of flexibility, feel, softness, detangling, smoothing, and shine. Thus, there is a real need to provide a composition in solid form with an improved environmental profile, i.e. requiring little water throughout its use. The composition must not only be easy to grasp and disintegrate easily, but it must also be quick to rinse without leaving residue on the keratin fibers. With regard to solid compositions in the form of powders or particles in particular, these must not clump together during storage so as not to deteriorate the qualities of use. The composition must also provide good cosmetic properties, particularly in terms of flexibility, feel, softness, coating, shine and detangling. It has now been discovered that a solid composition comprising at least one cationic surfactant, at least one starch, at least one silicone and at least one non-silicone fatty substance makes it possible to achieve the objectives set out above, and in particular to provide a composition in solid form combining good conditioning power, without requiring large quantities of water. The present invention therefore relates to a solid composition comprising: (i) one or more cationic surfactants, (ii) one or more starches, iii) one or more silicones, and iv) one or more non-silicone fatty substances. Said solid composition may more particularly be a composition cosmetic, in particular a hair composition, and advantageously, a hair conditioning composition. The particular combination of the compounds of the invention makes it possible to obtain a solid composition that is easy to sample, handle and dose. Indeed, the composition thus obtained has a cohesion or granulation such that the gripping and dosing properties are improved, while avoiding unwanted agglomerates that negatively impact the qualities of use. The composition can then be packaged in the form of a single dose, a particularly interesting form, for example, when traveling or practicing a sport (lighter bags, limiting the risk of leakage, reducing waste). In addition, this composition disintegrates quickly upon contact with water and allows for easy and rapid spreading and even distribution on keratin fibers comparable to those of a classic liquid conditioner composition. The composition according to the invention also makes it possible to obtain good coating of the keratin fibers, with a homogeneous and slippery finish. Furthermore, the composition of the invention rinses quickly without leaving unpleasant residue on the fibers and gives them a natural and clean feel after rinsing. The fibers treated with the composition of the invention have good cosmetic properties, particularly in terms of softness, suppleness, and feel. They are also well individualized and therefore easier to untangle. The present invention also relates to a process for the cosmetic treatment, in particular for the care of keratin fibers, in particular human keratin fibers such as hair, comprising the application to said keratin fibers of a solid composition as defined below, the solid composition being applied directly to said keratin fibers or after having been previously moistened with water. The present invention further relates to the use of a solid composition as defined below for cosmetic treatment, preferably the care of keratin fibers, in particular human keratin fibers such as hair. The present invention also relates to a packaging article comprising - an envelope defining at least one cavity, the envelope comprising one or more water-soluble and / or fat-soluble compounds; - a solid composition as defined above; it being understood that the solid composition is located in one of the cavities defined by the envelope. This packaging item helps to resolve the problems of dosage of the solid composition. It also facilitates its storage and transport. In particular, the packaging article of the invention offers better protection of the composition against humidity. The conditioning article can also allow to obtain a final composition of care of the keratin fibers thickened in the hand, which can be presented in the form of a cream, without lumps, without leaving residue on the hair after rinsing. The packaging article can thus improve, in particular facilitate, the distribution of the composition on the keratin fibers. The packaging article can allow better control of the dose of composition applied to the keratin fibers, thus reducing the risk of waste. The packaging item also helps to minimize the risk of the composition disintegrating. The invention also relates to the use of the above packaging article for cosmetic treatment, preferably for the care of keratin fibers, in particular human keratin fibers such as hair. The invention also relates to a method for cosmetic treatment, in particular care, of keratin fibers, in particular human keratin fibers such as hair, comprising a step of implementing at least one packaging article as defined above. Preferably, said cosmetic treatment method comprises the following steps: a) mixing the packaging article in a composition capable of dissolving, in whole or in part, the envelope of said packaging article, b) applying the composition obtained in step a) to the keratin fibers, c) possibly leave to stand, d) rinsing said keratin fibers, €) possibly dry the said keratin fibers. Other objects, characteristics, aspects and advantages of the invention will appear even more clearly on reading the description and examples which follow. In what follows, and unless otherwise indicated, the limits of a domain of values ​​are included in this domain, in particular in the expressions “between” and “ranging from … to …”. Furthermore, the expression "at least one" used in this description is equivalent to the expression "one or more". Preferably, the solid composition according to the invention (final composition, after drying) has a water activity of less than 0.75, better still less than 0.72, still better less than 0.70. The water activity, Aw, represents the proportion of bound water compared to free water that is conducive to the development of microorganisms. The value varies between 0 and 1. The activity is 0 for a completely dry product and it is 1 for pure water. The solid composition according to the invention may comprise water added during its preparation and / or water which may come from the raw materials used during the preparation of said composition. The solid composition according to the invention may be in the form of powder, paste, particles (for example spherical particles such as small beads or granules), compressed tablet, stick or loaf. Preferably, the composition according to the invention is in the form of powder or particles. By "powder" is meant a composition in powder form, preferably essentially free of dust (or fine particles). In other words, the particle size distribution is such that the weight ratio of particles which have a size less than or equal to 50 μm (fines ratio), preferably less than or equal to 45 μm (fines ratio) is advantageously less than or equal to 5% by weight, preferably less than 3% by weight and more particularly less than 1% by weight, relative to the total weight of particles (particle size evaluated using a RETSCH AS 200 DIGIT particle size analyzer; Oscillation height: 1.25 mm / sieving time: 5 minutes). By "paste" is meant a composition having a viscosity greater than 0.5 Pa.s (5 poises) and preferably greater than 1 Pa.s (10 poises), measured at 25°C and at a shear rate of 1 s!; this viscosity can be determined using a cone-plate rheometer. By "particles" we mean small fractionated objects formed of solid particles aggregated together, of varying shapes and sizes. They can be of regular or irregular shape. In particular, they can be spherical (such as granules, pellets, balls), square, rectangular, or elongated such as rods. Spherical particles are particularly preferred. Advantageously, the solid composition is in powder form. Advantageously, the size of the powders or particles is, in its largest dimension, between 30 um and 5 mm, and more particularly between 45 um and 2 mm, better still between 50 um and 1 mm, even better still between 60 and 700 um. Advantageously, the solid composition is in powder form, the size of the powders being, in its largest dimension, between 30 μm and 5 mm, and more particularly between 45 μm and 2 mm, better still between 50 μm and 1 mm, even better still between 60 and 700 μm. When the solid composition according to the invention is not in the form of powder or particles, it advantageously has a penetration force at 25°C and under 1.013 x 10° Pa (1 atm), greater than or equal to 200 g, preferably greater than or equal to 300 g, more preferably greater than or equal to 400 g, and better still greater than or equal to 500 g. The penetration force is determined by penetrometry. Texture analysis measurements are carried out at 25°C using a Stable Micro Systems TA.XT Plus texturometer. The penetrometry experiments are carried out with a metal rod equipped with a screwed tip, said tip being a 2 mm P / 2N needle for the upper part, connected to the measuring head. The piston is pushed into the sample at a constant speed of 1 mm / s, to a height of 5 mm. The force exerted on the piston is recorded and the average value of the force is calculated. The solid composition according to the invention may be in the form of a compressed solid composition, in particular using a manual or mechanical press. Preferably, the hardness of the compressed solid composition is between 10 and 300 N, better still between 15 and 200 N, even better still between 15 and 100 N. The density of the solid composition according to the present invention is preferably between 0.1 and 1, more preferably between 0.2 and 0.8, and better still between 0.3 and 0.7. It is measured in the following manner: A determined quantity (mass, m) of powder is placed in a graduated cylinder. The cylinder is then tapped 2500 times automatically. The volume (v) thus obtained is read from the cylinder and the density (d) is then determined according to the formula d=m / v. Cationic surfactants i) The solid composition according to the present invention comprises one or more cationic surfactants i). The term "cationic surfactant" means a positively charged surfactant when it is contained in the compositions according to the invention. This surfactant may carry one or more positive permanent charges or contain one or more cationizable functions within the compositions according to the invention. The cationic surfactants are advantageously chosen from primary, secondary or tertiary fatty amines, optionally polyoxyalkylenated; quaternary ammonium salts, and mixtures thereof. Quaternary ammonium salts include: quaternary ammonium salts of formula (Ia): in which: the groups Rs to R,,, identical or different, represent a linear or branched aliphatic group, comprising from 1 to 30 carbon atoms, or an aromatic group such as aryl or alkylaryl, at least one of the groups R; to R,, comprising from 8 to 30 carbon atoms, preferably from 12 to 24 carbon atoms; the aliphatic groups may comprise heteroatoms such as in particular oxygen, nitrogen, sulfur and halogens; and X- is an anion chosen in particular from the group of halides, phosphates, acetates, lactates, (C1-C1)alkyl sulfates, (C1-C1)alkylsulfonates or (C1-C1)alkylarylsulfonates. The aliphatic groups Rz to R,; may be chosen from C1-C3p alkyl, C1-C3y alkoxy, (C1-C3y) polyoxyalkylene, C1-C3y alkylamide, (C1-C2)alkylamido(C1-C2)alkyl, (C1-C2)alkylacetate and (C1-C3p) hydroxyalkyl. Mention may in particular be made of tetraalkylammonium halides, in particular chlorides, such as dialkyldimethylammonium chlorides or of alkyltrimethylammonium in which the alkyl group contains from 12 to 22 carbon atoms, in particular behenyltrimethylammonium, distearyldimethylammonium, cetyltrimethylammonium and benzyldimethylstearylammonium chlorides. Mention may also be made of halides, and in particular chlorides, of palmitylamidopropyltrimethylammonium or stearamidopropyldimethyl-(myristyl acetate)-ammonium; in particular the product marketed under the name CERAPHYL® 70 by the company VAN DYK. the quaternary ammonium salts of imidazoline of formula (Ila): ÈÊP a ver Ha x tilai T4 EMA] 1 YEAR CR in which: Ryz represents an alkenyl or alkyl group having from 8 to 30 carbon atoms, for example derived from tallow fatty acids, Rys represents a hydrogen atom, a C1-C2 alkyl group, or an alkenyl or alkyl group containing from 8 to 30 carbon atoms, R,; represents a C;-C4 alkyl group, Ry" represents a hydrogen atom or a C1-C4 alkyl group, X- is an anion, in particular chosen from the group of halides, phosphates, acetates, lactates, alkyl(C,-C,)sulfates, alkyl(C,-C4)sulfonates or alkyl(C,-C; Jaryl-sulfonates. Preferably, R,. and R;3 denote a mixture of alkenyl or alkyl groups containing from 12 to 21 carbon atoms, for example derived from tallow fatty acids, R,4 denotes a methyl group, R;s denotes a hydrogen atom. Such a product is for example marketed under the name REWOQUAT® W75 or W90 by the company Evonik. the quaternary di- or triammonium salts of formula (Ia): Fr a. t_ 73 2 BR, Ba! ] 2x | Re 4° Ÿ# 4 RFO {Hat : ë e77N-<(CH;}5-N- <R, | T = F3 Fog in which: - Rys denotes an alkyl group containing 16 to 30 carbon atoms, optionally hydroxylated and / or optionally interrupted by one or more oxygen atoms, - R,7 denotes hydrogen, an alkyl group containing 1 to 4 carbon atoms or a group -(CHz)5-N*(R:61)(R170)(Ra8a)» Ri6us R174> Riga, identical or different, denotes hydrogen or an alkyl group containing 1 to 4 carbon atoms, - Ris, Ry9, Rao and Roy, identical or different, denote hydrogen or an alkyl group containing 1 to 4 carbon atoms, and - X- is an anion chosen in particular from the group of halides, acetates, phosphates, nitrates, alkyl(C,-C4)sulfates, alkyl(C,-C,)sulfonates and alkyl(C,-C; Jaryl-sulfonates, in particular methylsulfate and ethylsulfate. Such compounds are, for example, Finquat CT-P (Quaternium 89) and Finquat CT (Quaternium 75) offered by the company FINETEX. quaternary ammonium salts containing one or more ester functions of the following formula (IVa): BOT Bas Q Hi x {Va} ] y Front ) Ras OHO—CH;(OH: 5} NEC Ha (OH), —0}-R, Bo in which: - R3 is chosen from C1-C2 alkyl groups and C1-C4 hydroxyalkyl or dihydroxyalkyl groups, - Rz3 is chosen from the group Ras-C(=O)-; the linear or branched, saturated or unsaturated C,-C2 hydrocarbon Ry groups; and the hydrogen atom, - Rs is chosen from the group R»sC(=0)-; the hydrocarbon groups Ra in C,-Cs, linear or branched, saturated or unsaturated; and the hydrogen atom, - Ras Raç and Rap, identical or different, are chosen from C,-C, hydrocarbon groups, linear or branched, saturated or unsaturated, -T, set t, identical or different, are integers ranging from 2 to 6, -rl ettl, identical or different, are 0 or |, - y is an integer ranging from 1 to 10, - x and z, identical or different, are integers ranging from 0 to 10, - X- is an anion, it being understood that r2 + rl = 2ret t] + (2 = 21, and that the sum x + y + z is worth from | to 15, provided that when x = 0 then R»; denotes R», and that when z = 0 then Ras denotes Ra. The alkyl groups Rz; may be linear or branched, preferably linear. Preferably, R» denotes a methyl, ethyl, hydroxyethyl or dihydroxypropyl group, and more particularly a methyl or ethyl group. Advantageously, the sum x + y + z is worth from | to 10. When Rz3 is a hydrocarbon R»7 group, it may comprise from 12 to 22 carbon atoms, or it may comprise from 1 to 3 carbon atoms. When Rzs is a hydrocarbon Ray group, it preferably has | to 3 carbon atoms. Advantageously, R24, Ras and Ras, identical or different, are chosen from linear or branched, saturated or unsaturated C1-C7 hydrocarbon groups, and more particularly from linear or branched C1-C7 alkyl and alkenyl groups. Preferably, x and z, identical or different, are equal to Δ or 1. Advantageously, y is equal to |. Preferably, r, s and t, identical or different, are equal to 2 or 3, and even more particularly are equal to 2. The anion X- is preferably a halide, preferably chloride, bromide or iodide, a (C1-C3)alkyl sulfate, a (C1-C3)alkylsulfonate or an (C1-C4)alkyl Jaryl-sulfonate, a methanesulfonate, a phosphate, a nitrate, a tosylate, an anion derived from an organic acid such as an acetate or a lactate or any other anion compatible with ester-functional ammonium. The anion X- is more particularly a chloride, a methylsulfate or an ethylsulfate. More particularly, the ammonium salts of formula (IVa) are used in the composition according to the invention, in which: - R» denotes a methyl or ethyl group, - x and y are equal to 1, - z is equal to O or 1, -r, set t are equal to 2, - Rz3 is chosen from the group R35-C(=O)-; the methyl, ethyl or C,,-C hydrocarbon groups, the hydrogen atom, - R>s is chosen from the group Rz3-C(=O)-; the hydrogen atom, = Ras, Ras and Ras, identical or different, are chosen from C,-C,7 hydrocarbon groups, linear or branched, saturated or unsaturated, and preferably from C,3-C,, alkyl and alkenyl groups, linear or branched, saturated or unsaturated. Advantageously, the hydrocarbon groups are linear. Among the compounds of formula (IVa) there may be mentioned salts, in particular diacyloxyethyldimethylammonium chloride or methylsulfate, diacyloxyethylhydroxyethylmethylammonium, monoacyloxyethyldihydroxyethylmethylammonium, triacyloxyethylmethylammonium, monoacyloxyethylhydroxyethyldimethylammonium, and mixtures thereof. The acyl groups preferably have 14 to 18 carbon atoms and are more particularly derived from a vegetable oil such as palm or sunflower oil. When the compound contains several acyl groups, these may be identical or different. These products are obtained, for example, by direct esterification of triethanolamine, triisopropanolamine, alkyldiethanolamine or of alkyldiisopropanol-amine optionally oxyalkylenated on fatty acids, or on mixtures of fatty acids, in particular of vegetable or animal origin, or by transesterification of their methyl esters. This esterification can be followed by quaternization using an alkylating agent such as an alkyl halide, preferably methyl or ethyl, a dialkyl sulfate, preferably methyl or ethyl, methyl methanesulfonate, methyl para-toluenesulfonate, glycol or glycerol chlorohydrin. Such compounds are, for example, marketed under the names DEHYQUART® by the company HENKEL, STEPANQUAT® by the company STEPAN, NOXAMIUM® by the company CECA, REWOQUAT® WE 18 by the company Evonik. The composition according to the invention may contain, for example, a mixture of quaternary ammonium mono-, di- and triester salts with a majority by weight of diester salts. It is also possible to use the ammonium salts containing at least one ester function described in patents US-A-4874554 and US-A-4137180. It is also possible to use behenoylhydroxypropyltrimethylammonium chloride, for example, offered by the company KAO under the name Quartamin BTC 131. Preferably, the ammonium salts containing at least one ester function contain two ester functions. Among fatty amines, we can cite amidoamines. The amidoamines according to the invention can be chosen from fatty amidoamines, the fatty chain being able to be carried by the amine group or by the amido group. Amidoamine means a compound comprising at least one amide function and at least one primary, secondary or tertiary amine function. Fatty amidoamine is understood to mean an amidoamine generally comprising at least one C1-C10 hydrocarbon chain. Preferably, the fatty amidoamines useful according to the invention are not quaternized. Preferably, the fatty amidoamines useful according to the invention are not (poly)oxyalkylenated. Among the fatty amidoamines useful according to the invention, mention may be made of the amidoamines of the following formula (Va): RCONHR''N(R').(Va) in which: - R represents a linear or branched, saturated or unsaturated and substituted or unsubstituted monovalent hydrocarbon radical having from 5 to 29 carbon atoms, preferably from 7 to 23 carbon atoms, and in particular a linear or branched Cs-C»9, preferably C1-Cn alkyl radical, or a linear or branched Cs-C», preferably C-C2 alkenyl radical: - R'' represents a divalent hydrocarbon radical having less than 6 carbon atoms, preferably 2 to 4 carbon atoms, better still, 3 carbon atoms; and - R°, identical or different, represent a monovalent hydrocarbon radical having less than 6 carbon atoms, preferably from 1 to 4 carbon atoms, linear or branched, saturated or unsaturated and substituted or unsubstituted, preferably a methyl radical. The fatty amidoamines of formula (Va) are, for example, chosen from oleamidopropyl dimethylamine, stearamidopropyl dimethylamine marketed by the company INOLEX CHEMICAL COMPANY under the name LEXAMINE S13, isostearamidopropyl dimethylamine, stearamidoethyl dimethylamine, lauramidopropyl dimethylamine, myristamidopropyl dimethylamine, behenamidopropyl dimethylamine, dilinoleamidopropyl dimethylamine, palmitamidopropyl dimethylamine, ricinoleamindopropyl dimethylamine, soyamidopropyl dimethylamine, avocadoamidopropyl dimethylamine, cocamidopropyl dimethylamine, minkamidopropyl dimethylamine, oatamidopropyl dimethylamine, sesamidopropyl dimethylamine, tallamidopropyl dimethylamine, olivamidopropyl dimethylamine thylamine, palmitamidopropyl dimethylamine, stearamidoethyldiethylamine, brassicamidopropyl dimethylamine and mixtures thereof. Preferably, the fatty amidoamines are chosen from oleamidopropyl dimethylamine, behenamidopropyl dimethylamine, stearamidopropyl dimethylamine, brassicamidopropyl dimethylamine and mixtures thereof. Preferably, the cationic surfactants 1) are chosen from those of formula (Ia), (IVa) or (Va), and better still from cetyltrimethylammonium, behenyltrimethylammonium, dipalmitoylethylhydroxyethylmethylammonium salts, oleamidopropyl dimethylamine, behenamidopropyl dimethylamine, stearamidopropyl dimethylamine, brassicamidopropyl dimethylamine and mixtures thereof; and more particularly from behenyltrimethylammonium chloride or methosulfate, cetyltrimethylammonium chloride or methosulfate, dipalmitoylethylhydroxyethylmethylammonium chloride or methosulfate, oleamidopropyl dimethylamine, behenamidopropyl dimethylamine, stearamidopropyl dimethylamine, brassicamidopropyl dimethylamine and mixtures thereof. The total content of the cationic surfactant(s) i), present in the solid composition according to the invention, preferably ranges from 0.01 to 15% by weight, preferentially from 0.1 to 10% by weight, better still from 0.5 to 8% by weight, and better still from 1 to 5% by weight, relative to the total weight of the composition. Starch(s) ii) The solid composition according to the present invention comprises one or more starches i). The starch molecules that can be used in the present invention can originate from all plant sources of starch, in particular cereals and tubers; more particularly, they can be starches from corn, rice, cassava, barley, potato, wheat, sorghum, peas, oats, tapioca. Hydrolysates of the starches mentioned above can also be used. The starch is preferably derived from corn or potato. Starches can be modified chemically or physically, in particular by one or more of the following reactions: pregelatinization, oxidation, crosslinking, esterification, etherification, amidation, heat treatments. More specifically, these reactions can be carried out in the following way - pregelatinization by bursting the starch granules (e.g. drying and cooking in a drying drum); - oxidation by strong oxidants leading to the introduction of carboxyl groups into the starch molecule and to the depolymerization of the starch molecule (for example by treating an aqueous starch solution with sodium hypochlorite); - crosslinking by functional agents capable of reacting with the hydroxyl groups of the starch molecules which will thus be linked together (for example with glyceryl and / or phosphate groups); - esterification in alkaline medium for the grafting of functional groups, in particular C, to Cç acyl (acetyl), C, to C5 hydroxyalkyl (hydroxyethyl, hydroxypropyl), carboxymethyl, octenylsuccinic. In particular, by crosslinking with phosphorus compounds, it is possible to obtain monostarch phosphates (of the Am-O-PO-(OX) type), distarch phosphates (of the Am-O-PO-(OX)-O-Am type) or even tristarch phosphates (of the Am-O-PO-(0-Am) type), or mixtures thereof; with Am meaning starch and X designating in particular alkali metals (for example sodium or potassium), alkaline earth metals (for example calcium, magnesium), ammonia salts, amine salts such as those of monoethanolamine, diethanolamine, triethanolamine, 3-aminopropanediol-1,2, ammonium salts derived from basic amino acids such as lysine, arginine, sarcosine, ornithine, citrulline. Phosphorus compounds can be, for example, sodium tripolyphosphate, sodium orthophosphate, phosphorus oxychloride or sodium trimetaphosphate. Examples include distarch phosphates such as the product offered under the references PREJEL VA-70-T AGGL (gelatinized hydroxypropyl cassava distarch phosphate) or PREJEL TK1 (gelatinized cassava distarch phosphate) or PREJEL 200 (gelatinized acetylated cassava distarch phosphate) by the company AVEBE or STRUCTURE ZEA from NATIONAL STARCH (gelatinized corn distarch phosphate). A preferred starch is a starch that has undergone at least one chemical modification such as at least one esterification. According to the invention, amphoteric starches may also be used, comprising one or more anionic groups and one or more cationic groups. The anionic and cationic groups may be linked to the same reactive site of the starch molecule or to different reactive sites; preferably they are linked to the same reactive site. The anionic groups may be of the carboxylic, phosphate or sulfate type, and preferably carboxylic. The cationic groups may be of the primary, secondary, tertiary or quaternary amine type. Amphoteric starches are notably chosen from compounds with the following formulas: R OR SOON ; # HE — 0 — COOM 4 2 £-—C-—COOM V478 81-05 -LH HA 0N0 ' R x R Pa St-0 (CHA TN &— E-cooù (VIIa) KR R (Vila) Re R ; n ' SN° Sst-0—-5—2— 1 +-0-C-—-C-—COO SH G 45 UOR ETRZ COOM (VIIa) (IXa) formulas (VIa) to (IXa), in which: - St-O represents a starch molecule; - R, identical or different, represents a hydrogen atom or a methyl radical; - R', identical or different, represents a hydrogen atom, a methyl radical or a -C(O)-OH group; - is an integer equal to 2 or 3; - M, identical or different, denotes a hydrogen atom, an alkali or alkali-metal such as Na, K, Li, a quaternary ammonium NH, or an organic amine; and - R" represents a hydrogen atom or a C1-C18 alkyl radical. These compounds are described in particular in US 5,455,340 and US 4,017,460. Particular use is made of starches of formulas (VIIa) or (VIIIa), and preferably starches modified with 2-chloroethylaminodipropionic acid, i.e. starches of formula (VIIa) or (VIIIa) in which R, R', R" and M represent a hydrogen atom and n is equal to 2. Preferably, the amphoteric starch is a starch chloroethylamido dipropionate. More particularly, the starch(es) are chosen from corn starches, potato starches, rice starches and modified starches such as those mentioned above, in particular phosphated starches such as distarch phosphates such as those described above. In one embodiment, the solid composition comprises at least two starches. More particularly, the solid composition comprises at least one unmodified starch (or native starch) such as a corn starch, a potato starch, or a rice starch and at least one modified starch chosen in particular from those described above, and more particularly from the phosphated starches mentioned above, such as distarch phosphates. Even more preferably, said starches comprise at least one corn, potato or rice starch, and at least one modified starch such as a phosphated starch. The total content of the starch(es) ii) present in the solid composition according to the invention preferably ranges from 10 to 90% by weight, preferentially from 20 to 85% by weight, better still from 30 to 80% by weight, and better still from 40 to 75% by weight, relative to the total weight of the composition. In particular, the total content of unmodified starch(es), present in the solid composition according to the invention, preferably ranges from 10 to 85% by weight, preferably from 20 to 80% by weight, better still from 30 to 75% by weight, relative to the total weight of the composition. In particular, the total content of modified starch(es), in particular phosphated starch(es), present in the solid composition according to the invention, preferably ranges from 0.1 to 30% by weight, preferentially from 0.5 to 20% by weight, and better still from 2 to 15% by weight, relative to the total weight of the composition. Silicones iii) The solid composition according to the present invention further comprises one or more silicones iii). The silicones that can be used can be volatile or non-volatile. The silicones that can be used may be soluble or insoluble in the composition according to the invention; they may be in the form of oil, wax, resin or gum; silicone oils and gums are preferred. Silicones are described in detail in Walter NOLL's book "Chemistry and Technology of Silicones” (1968), Academie Press. Volatile silicones may be chosen from those having a boiling point between 60 and 260°C (at atmospheric pressure), more particularly from: 1) cyclic polydialkylsiloxanes containing from 3 to 7 silicon atoms, preferably 4 to 5, such as - octamethylcyclotetrasiloxane and decamethylcyclopentasiloxane. Examples include products marketed under the name "VOLATILE SILICONE 7207" by UNION CARBIDE or "SILBIONE 70045 V 2" by RHODIA, "VOLATILE SILICONE 7158" by UNION CARBIDE, "SILBIONE 70045 V 5" by RHODIA. - cyclocopolymers of the dimethylsiloxane / methylalkylsiloxane type with chemical structure: —5-5E—-"._ —-D-EP — CH, + CH, with…_: 75-0-— withDH; 3 —Si-2— CH, Car We can cite the "VOLATILE SILICONE FZ 3109" marketed by the company UNION CARBIDE. - mixtures of cyclic silicones with organic compounds derived from silicon, such as the mixture of octamethylcyclotetrasiloxane and tetratrimethylsilyloxy]-pentaerythritol (50 / 50) and the mixture of octamethylcyclotetrasiloxane and oxy-1,1'-(hexa-2,2,2',2',3,3"-trimethylsilyloxy) bis-neopentane; di) linear polydialkylsiloxanes having 2 to 9 silicon atoms, which generally have a viscosity less than or equal to 5.106 m? / s at 25°C, such as decamethyltetrasiloxane. Other silicones falling into this class are described in the article published in Cosmetics and toiletries, Vol. 91, Jan. 76, p. 27-32 - TODD & BYERS "Volatile Silicone fluids for cosmetics"; we can cite the product marketed under the name "SH 200" by the company TORAY SILICONE. Among the non-volatile silicones, mention may be made, alone or as a mixture, of polydialkylsiloxanes and in particular polydimethylsiloxanes (PDMS), polydiarylsiloxanes, polyalkylarylsiloxanes, silicone gums and resins, as well as organopolysiloxanes (or organomodified polysiloxanes, or organomodified silicones) which are polysiloxanes comprising in their structure one or more organofunctional groups, generally attached via a hydrocarbon group, and preferably chosen from aryl groups, amine groups, alkoxy groups and polyoxyethylenated or polyoxypropylenated groups. The organomodified silicones may be polydiarylsiloxanes, in particular polydiphenylsiloxanes, and polyalkylarylsiloxanes functionalized by the organofunctional groups mentioned above. The polyalkylarylsiloxanes are particularly chosen from polydimethyl / methylphenylsiloxanes, linear and / or branched polydimethyl / diphenylsiloxanes. Among the organomodified silicones, we can cite organopolysiloxanes comprising: - polyoxyethylene and / or polyoxypropylene groups possibly comprising C6-C24 alkyl groups such as dimethicone copolyols, and in particular those marketed by the company DOW CORNING under the name DC 1248 or the oils SILWET® L 722, L 7500, L 77, L 711 from the company UNION CARBIDE; or alkyl(C12)-methicone copolyols, and in particular those marketed by the company DOW CORNING under the name DC 1248; marketed by the company DOW CORNING under the name Q2-5200; - substituted or unsubstituted amino groups, in particular C1-C4 aminoalkyl groups; we can cite the products marketed under the name GP4 Silicone Fluid and GP7100 by the company GENESEE, or under the names Q2-8220 and DC929 or DC939 by the company DOW CORNING; - thiol groups, such as the products marketed under the names “GP 72 A” and “GP 71” from GENESEE; - alkoxylated groups, such as the product marketed under the name "SILICONE COPOLYMER F-755" by SWS SILICONES and ABIL WAX® 2428, 2434 and 2440 by the company GOLDSCHMIDT; - hydroxylated groups, such as polyorganosiloxanes with hydroxyalkyl function; - acyloxyalkyl groups such as the polyorganosiloxanes described in patent US-A-4957732. - anionic groups of the carboxylic acid type, as for example described in EP186507, or of the alkyl-carboxylic type such as the product X-22-3701E from the company SHIN-ETSU; or of the 2-hydroxyalkylsulfonate type or 2-hydroxyalkylthiosulfate, such as the products marketed by the company GOLDSCHMIDT under the names "ABIL® S201" and "ABIL® S255". - hydroxyacylamino groups, such as the polyorganosiloxanes described in application EP342834; we can cite, for example, the product Q2-8413 from the company DOW CORNING. Silicones can also be chosen from polydialkylsiloxanes, among which we can mainly cite polydimethylsiloxanes with trimethylsilyl end groups. Among these polydialkylsiloxanes, we can cite the following commercial products: - SILBIONE® oils of the 47 and 70 047 series or MIRASIL® oils marketed by RHODIA such as, for example, oil 70 047 V 500 000; - MIRASIL® series oils marketed by RHODIA; - DOW CORNING 200 series oils such as DC200 with a viscosity of 60,000 mm2 / s; - GENERAL ELECTRIC VISCASIL® oils and certain GENERAL ELECTRIC SF series oils (SF 96, SF 18). We can also cite polydimethylsiloxanes with dimethylsilanol end groups known as dimethiconol (CTFA), such as the oils of the 48 series from the company RHODIA. In this class of polydialkylsiloxanes, we can also cite the products marketed under the names "ABIL WAX® 9800 and 9801" by the company GOLDSCHMIDT which are polydialkyl (C1-C20) siloxanes. Products which can be used more particularly in accordance with the invention are mixtures such as: -mixtures formed from a polydimethylsiloxane hydroxylated at the chain end, or dimethiconol (CTFA) and a cyclic polydimethylsiloxane also called cyclomethicone (CTFA) such as the product Q2-1401 marketed by the company DOW CORNING. Polyalkylarylsiloxanes are particularly chosen from polydimethyl / methylphenylsiloxanes, linear and / or branched polydimethyl / diphenylsiloxanes with viscosity ranging from 1.10-5 to 5.10-2m2 / s at 25°C. Among these polyalkylarylsiloxanes, we can cite the products marketed under the following names: - SILBIONE® oils from the 70 641 series from RHODIA: - oils from the RHODORSIL® 70 633 and 763 series from RHODIA; - DOW CORNING 556 COSMETIC GRAD FLUID oil from DOW CORNING; - BAYER PK series silicones such as PK20; - BAYER PN and PH series silicones such as PN1000 and PH1000 products - certain oils from the GENERAL ELECTRIC SF series such as SF 1023, SF 1154, SF 1250, SF 1265. The silicones that can be used may be amino silicones. An amino silicone is any silicone containing at least one primary, secondary, tertiary amine or a quaternary ammonium group. The weight-average molecular masses of these amino silicones can be measured by Gel Permeation Chromatography (GPC) at room temperature (25°C) in polystyrene equivalent. The columns used are styragel y columns. The eluent is THF, the flow rate is 1 ml / min. 200 μl of a 0.5% by weight solution of silicone in THF are injected. Detection is done by refractometry and UVmetry. Preferably, the amino silicone(s) capable of being used in the context of the invention are chosen from: (a) polysiloxanes corresponding to the formula (A): OH [CH, —si-—0—}H (A) Ho- —si-—0} CH, . (GOLD x NH (CH NH Ov in which x' and y' are integers such that the weight average molecular weight (Mw) is between about 5,000 and 500,000; b) amino silicones corresponding to formula (B): R',G,.-Si(0SiG"),-(OSIG,R+)nO-SiG,,-R', (B) in which: - G, identical or different, denotes a hydrogen atom, a phenyl, OH, C1-C2 alkyl group, for example methyl, or C1-C2 alkoxy, for example methoxy, - a, identical or different, denotes O or an integer from 1 to 3, in particular O, - b denotes 0 or 1, in particular |, - and n are numbers such that the sum (n + m) varies from | to 2000, in particular from 50 to 150, n being able to designate a number from 0 to 1999, and in particular from 49 to 149 and m being able to designate a number from 1 to 2000, and in particular from 1 to 10; - R', identical or different, denotes a monovalent radical of formula -C,Hz;L in which q is a number ranging from 2 to 8, and L is an optionally quaternized amino group chosen from the groups: -N(R"); ; -N{(R”); À ; -NR"-QN(R"), and -NR"-QN(R"); À, in which R”, which may be identical or different, denotes hydrogen, phenyl, benzyl, or a monovalent saturated hydrocarbon radical, for example a C1-C20 alkyl radical; Q denotes a group of formula C,H,, linear or branched, r being an integer ranging from 2 to 6, preferably from 2 to 4; and A- represents a cosmetically acceptable anion, in particular halide such as fluoride, chloride, bromide or iodide. Preferably, the amino silicones are chosen from the amino silicones of formula (B). Preferably, the amino silicones of formula (B) are chosen from the amino silicones corresponding to the following formulae (C), (D), (E), (F), (G) and / or (K). Thus, the amino silicones corresponding to formula (B) can be chosen from, alone or in a mixture: A / silicones called “trimethylsilylamodimethicone” corresponding to the formula (C): r ae UT GR, ' CH, (CH), 5i- —0—SI— | y Ÿ CH, —Jo— $ —— ositchH,, (Cha, da NH (c CH; fn in which m and n are numbers such that the sum (n + m) varies from 1 to 2000, in particular from 50 to 150, n being able to designate a number from 0 to 1999, and in particular from 49 to 149 and m being able to designate a number from 1 to 2000, and in particular from 1 to 10. B / silicones of formula (D) following: CH, Ga | GHz Fi CH, (Di —o— $- t -83— i Si—R, R—$ÿ—-0—Si= (Bone ER, ; CR, CH, L = Jh NH (OH NE. Im in which: - and n are numbers such that the sum (n + m) varies from 1 to 1000, in particular from 50 to 250 and more particularly from 100 to 200; n being able to designate a number from 0 to 999 and in particular from 49 to 249 and more particularly from 125 to 175 and m being able to designate a number from 1 to 1000, in particular from 1 to 10, more particularly from 1 to 5; - R1, Ra, R3, identical or different, represent a hydroxy or C alkoxy radical; -C,, at least one of the radicals R, to R; denoting an alkoxy radical. Preferably the alkoxy radical is a methoxy radical. The hydroxy / alkoxy molar ratio preferably ranges from 0.2:1 to 0.4:1 and preferably from 0.25:1 to 0.35:1 and more particularly is equal to 0.3:1. The weight average molecular weight (Mw) of these silicones preferably ranges from 2000 to 1,000,000, more particularly from 3500 to 200,000. C / the following silicones of formula (E): GH | CH us. GH, s—+o—s- —Ho-s- —0—Si—R, R—$—o—Si— (E} (Paz CH. Ga The CH 4 | $4, nu 3 CH) (OH RH Ua in which: - pet q are numbers such that the sum (p+q) varies from 1 to 1000, in particular from 50 to 350, and more particularly from 150 to 250; p can designate a number from 0 to 999 and in particular from 49 to 349 and more particularly from 159 to 239 and q can designate a number from 1 to 1000, in particular from 1 to 10 and more particularly from 1 to Se - R, Ra, different, represent a hydroxy or alkoxy radical in C,-C4, at least one of the radicals R, or R, designating an alkoxy radical. Preferably the alkoxy radical is a methoxy radical. The hydroxy / alkoxy molar ratio generally ranges from 1:0.8 to 1:1.1 and preferably from 1:0.9 to 1:1 and more particularly is equal to 1:0.95. The weight average molecular weight (Mw) of the silicone preferably ranges from 2000 to 200000 and even more particularly from 5000 to 100000 and more particularly from 10000 to 50000. Commercial products comprising silicones of structure (D) or (E) may include in their composition one or more other amino silicones whose structure is different from formulas (D) or (E). A product containing amino silicones of structure (D) is offered by the company WACKER under the name BELSIL® ADM 652. A product containing amino silicones of structure (E) is offered by WACKER under the name Fluid WR 1300®. When these amino silicones are used, a particularly interesting embodiment is their use in the form of an oil-in-water emulsion. The oil-in-water emulsion may comprise one or more surfactants. The surfactants may be of any nature but preferably cationic and / or non-ionic. The number-average size of the silicone particles in the emulsion generally ranges from 3 nm to 500 nanometers. Preferably, in particular as amino silicones of formula (E), microemulsions are used whose number-average size particles ranges from 5 nm to 60 nanometers (inclusive) and more particularly from 10 nm to 50 nanometers (inclusive). Thus, according to the invention, the amino silicone microemulsions of formula (E) offered under the names FINISH CT 96 E® or SLM 28020® by the company WACKER can be used. D / silicones of the following formula (F): | x cu CR, Gp CH FR ; —a—$—0n #0—8—0 —If— —o—if- 1 UN N Lo ES | Â nv 4, CH, 4 CH. CH, | “Ua si = —°h NH has {F}) (OH NH Um in which: - and n are numbers such that the sum (n + m) varies from 1 to 2000 and in particular from 50 to 150, n being able to denote a number from 0 to 1999 and in particular from 49 to 149 and m being able to denote a number from 1 to 2000, and in particular from 1 to 10; - A denotes a linear or branched alkylene radical having from 4 to 8 carbon atoms and preferably 4 carbon atoms. This radical is preferably linear. The weight-average molecular mass (Mw) of these amino silicones preferably ranges from 2000 to 1000000 and even more particularly from 3500 to 200000. A silicone corresponding to this formula is for example XTAMETER MEM 8299 EMULSION from DOW CORNING. E / silicones of the following formula (G): Ch, ca, CH, GB: | , +. LL | nc—t—o—s- —o—s —0—6i—CH, | an At qd Î és iG) : CH q CH, CR, | $ 4, Lu * from NH (CR, NH min in which: - and n are numbers such that the sum (n + m) varies from 1 to 2000 and in par- particular from 50 to 150, n being able to denote a number from 0 to 1999 and in particular from 49 to 149 and m being able to denote a number from 1 to 2000, and in particular from 1 to 10; - A denotes a linear or branched alkylene radical having from 4 to 8 carbon atoms and preferably 4 carbon atoms. This radical is preferably branched. The weight-average molecular mass (Mw) of these amino silicones preferably ranges from 500 to 1000000 and even more particularly from 1000 to 200,000. A silicone corresponding to this formula is for example DC2-8566 Amino Fluid from DOW CORNING. c) amino silicones corresponding to the formula (H): 7 R,—CH;—CHOH—CHZ—N (Ra); r CR (H} (RJ,—8i—08i—04 H8i—0+—SR}, Rs Re Ua I, in which: - Rs represents a monovalent hydrocarbon radical having from 1 to 18 carbon atoms, and in particular a C;-Cys alkyl radical, or Cz-C;3 alkenyl radical, for example methyl; - Rs represents a divalent hydrocarbon radical, in particular a C,-C;3 alkylene radical or a divalent C;-C;s alkyleneoxy radical, for example C,-C; linked to Si by a SiC bond; - Q is an anion such as a halide ion, in particular chloride or an organic acid salt, in particular acetate; -rrepresents an average statistical value ranging from 2 to 20, in particular from 2 to 8; - srepresents an average statistical value ranging from 20 to 200, in particular from 20 to 50. Such amino silicones are described in particular in US patent 4,185,087. - d) quaternary ammonium silicones of formula (I): 2x" 8 Rz 1 » R, ox “R Ar Le % 1, 1 J 4 RU N-CHZCHCHER, 8-0 —S—R,- CH, -CHOH-CH,-NR; da M OHZCHCHERET $i- o TF —R:- CH - CHOR-CH-N— Re © R, R 0 of R Rz in which: - R,, identical or different, represent a monovalent hydrocarbon radical having from 1 to 18 carbon atoms, and in particular a C,-C5 alkyl radical, a C,-C, alkenyl radical; or a cycle comprising 5 or 6 carbon atoms, for example methyl; - Rs represents a divalent hydrocarbon radical, in particular a C, - Cys alkylene radical or a divalent C, - C, 3 alkyleneoxy radical, for example C, - C, linked to Si by a SiC bond: - Rs, identical or different, represent a hydrogen atom, a monovalent hydrocarbon radical having from 1 to 18 carbon atoms, and in particular a C1-Cys alkyl radical, a C1-C3 alkenyl radical, a -Rs-NHCOR radical; - X is an anion such as a halide ion, in particular chloride or an organic acid salt, in particular acetate; - represents an average statistical value ranging from 2 to 200, in particular from 5 to 100. These silicones are for example described in application EP-A-0530974. e) amino silicones of formula (J): c Ra n HN—(CH,1—NH—(CH,3 SI + o+ $ —o+ —$ —R, | fa R, Yes LR dx KR Ja in which: - Ri, Ra, R3 and Ru, identical or different, denote a C1-C4 alkyl radical or a phenyl group, - Rs denotes a C,-C4 alkyl radical or a hydroxyl group, - n is an integer ranging from 1 to 5, -m is an integer ranging from 1 to 5, and - x is chosen such that the amine index varies from 0.01 to 1 meq / g. f) multiblock polyoxyalkylenated amino silicones, of type (AB), A being a polysiloxane block and B being a polyoxyalkylenated block comprising at least one amine group. Said silicones are preferably made up of repeating units of the following general formulas: [-(SIiMe,0),SiMe; - R -N(R")- RO(C,H40).(C:H60)5 -RN(HD)-R-] or [-(SiMe,O),SiMe; - R -N(R")- R°- O(C,H,0),(C:H6O} -] in which: - a is an integer greater than or equal to 1, preferably ranging from 5 to 200, more particularly ranging from 10 to 100; - best an integer between 0 and 200, preferably between 4 and 100, more particularly between 5 and 30; - x is an integer ranging from 1 to 10000, more particularly from 10 to 5000; - R" is a hydrogen atom or a methyl; - R, identical or different, represent a divalent C7-C12 hydrocarbon radical, linear or branched, optionally comprising one or more heteroatoms such as oxygen; preferably, R denotes an ethylene radical, a linear or branched propylene radical, a linear or branched butylene radical, or a radical CH,CH,CH,OCH, CH(OH)CH,-; preferentially R denotes a radical CH,CH,CH,OCH,CH(OH)CH, - R°, identical or different, represent a divalent hydrocarbon radical Cz-C;2, linear or branched, optionally comprising one or more heteroatoms such as oxygen; preferably, R' denotes an ethylene radical, a linear or branched propylene radical, a linear or branched butylene radical, or a radical CH,CH,CH,OCH, CH(OH)CH,-; preferentially R' denotes -CH(CH)-CH,-. The siloxane blocks preferably represent 50 and 95 mol% of the total weight of the silicone, more particularly 70 to 85 mol%. The amine level is preferably between 0.02 and 0.5 meg / g of copolymer in a 30% solution in dipropylene glycol, more particularly between 0.05 and 0.2. The weight average molecular weight (Mw) of the silicone is preferably between 5000 and 1000000, more particularly between 10000 and 200000. Examples include silicones marketed under the names Silsoft A-843 or Silsoft A+ by Momentive. (g) alpha, omega-bis-amino silicones having the following formula (K): RRR Ri î! ; : | ; Ra AEéo-häon tte RRR in which: - the radicals R, independently of each other, represent a hydrogen atom, an OH group or a linear or branched C1-C4 alkyl group, -the radicals R1, R2, R3 and R4, independently of each other, represent a hydrogen atom, a C1-C2 alkyl group; or a C1-C2 aminoalkyl group; - x is between 0 and 6; y is between 0 and 6, and - is such that the molecular mass by weight (Mw) of the amino silicone is between 5,000 and 200,000 g / mol. Preferably, the radicals R are identical and represent CH; (methyl). Preferably, R1, R2, R3 and R4, independently of each other, represent a hydrogen atom, an alkyl group, preferably linear saturated, C1-C4, better C 2-C4, in particular ethyl; or a C,-C4 aminoalkyl group, in particular of structure —(C,H,,)-NH; with a = 2 to 4; in particular aminoethyl (-CH,-CH,-NH). Preferably, x is between | and 5, better between 2 and 4, even better x=3. Preferably, y is between | and 5, better between 2 and 4, even better y=3. Preferably, x=y. Preferably, n is such that the weight-average molecular mass (Mw) of the silicone is between 10,000 and 150,000 g / mol, or even between 15,000 and 100,000 g / mol. More preferably, the amino silicone corresponds to the formula (K) in which the radicals R represent a methyl group, x = y = 3 and R1, R2, R3 and R4 represent a hydrogen atom; it is then a bis-aminopropyl dimethicone (INCD name. h) and their mixtures. Preferably, the amino silicone(s) are chosen from amino silicones of formula (A), (D), (E), (F), (G), (K) and mixtures thereof. The silicone(s) iii) are preferably chosen from amino silicones, better still from amino silicones of formula (A), (D), (E), (F), (G), (K) above, and mixtures thereof. Advantageously, the silicone(s) iii) are present in a total content ranging from 0.01 to 10% by weight, preferably from 0.05 to 5% by weight, more preferably from 0.1 to 2% by weight, relative to the total weight of the composition. Better still, the amino silicones may be present in the composition in a total content preferably ranging from 0.01 to 10% by weight, preferably from 0.05 to 5% by weight, more preferably from 0.1 to 2% by weight, relative to the total weight of the composition. Non-silicone fatty substances iv) The solid composition according to the invention further comprises one or more fatty substances iv) other than silicones, i.e. one or more non-silicone fatty substances iv). By "fatty substance" is meant an organic compound insoluble in water at 25°C and at atmospheric pressure (1,013.10° Pa) (solubility less than 5% by weight, and preferably less than 1% by weight, even more preferably less than 0.1% by weight). They have in their structure at least one hydrocarbon chain comprising at least 6 carbon atoms and / or a chain of at least two siloxane groups. In addition, fatty substances are generally soluble in organic solvents under the same temperature and pressure conditions, such as for example chloroform, dichloromethane, carbon tetrachloride, ethanol, benzene, toluene, tetrahydrofuran (THF), vaseline oil or decamethylcyclopentasiloxane. The fatty substances which can be used in the present invention are neither (poly)oxyalkylenated nor (poly)glycerolated. The fatty substances that can be used in the present invention are not silicone-based. The term “non-silicone fatty substance” means a fatty substance not containing Si-O bonds and the term “silicone fatty substance” means a fatty substance containing at least one Si-O bond. The non-silicone fatty substances useful according to the invention may be liquid fatty substances (or oils) and / or solid fatty substances. Liquid fatty substance means a fatty substance having a melting point less than or equal to 25°C and at atmospheric pressure (1,013.10° Pa). Solid fatty substance means a fatty substance having a melting point greater than 25°C at atmospheric pressure (1,013.105 Pa). For the purposes of the present invention, the melting point corresponds to the temperature of the most endothermic peak observed in thermal analysis (differential scanning calorimetry or DSC) as described in the ISO 11357-3; 1999 standard. The melting point can be measured using a differential scanning calorimeter (DSC), for example the calorimeter sold under the name "MDSC 2920" by the company TA Instruments. In the present application, all melting points are determined at atmospheric pressure (1,013.10° Pa). More particularly, the liquid fatty substance(s) according to the invention may be chosen from C5 to Cy5 liquid hydrocarbons, liquid hydrocarbons comprising more than 16 carbon atoms, non-silicone oils of animal origin, triglyceride-type oils of vegetable or synthetic origin, fluorinated oils, liquid fatty alcohols, liquid esters of fatty acid and / or fatty alcohol other than triglycerides, and mixtures thereof. It is recalled that the alcohols, esters and fatty acids more particularly have at least one hydrocarbon group, linear or branched, saturated or unsaturated, comprising from 6 to 40, better still from 8 to 30 carbon atoms, optionally substituted, in particular by one or more hydroxyl groups (in particular 1 to 4). If they are unsaturated, these compounds may comprise one to three carbon-carbon double bonds, conjugated or not. With regard to liquid C5 to C5 hydrocarbons, these may be linear, branched, optionally cyclic, and are preferably chosen from alkanes. For example, mention may be made of hexane, cyclohexane, undecane, dodecane, isododecane, tridecane, isoparaffins such as isohexadecane, isodecane, and mixtures thereof. Liquid hydrocarbons comprising more than 16 carbon atoms may be linear or branched, of mineral or synthetic origin, and are preferably chosen from paraffin or vaseline oils, polydecenes, hydrogenated polyisobutene such as Parléam®, and mixtures thereof. As hydrocarbon oils (or non-silicone oils) of animal origin, we can cite perhydrosqualene. Triglyceride oils of vegetable or synthetic origin are preferably chosen from liquid triglycerides of fatty acids containing 6 to 30 carbon atoms such as triglycerides of heptanoic or octanoic acids or, for example, sunflower, corn, soybean, pumpkin, grape seed, sesame, hazelnut, apricot, macadamia, arara, sunflower, castor, avocado oils, triglycerides of caprylic / capric acids such as those sold by the company Stearineries Dubois or those sold under the names Miglyol® 810, 812 and 818 by the company Dynamit Nobel, jojoba oil, shea butter oil, and mixtures thereof. As regards fluorinated oils, these can be chosen from perfluoromethylcyclopentane and perfluoro-1,3 dimethylcyclohexane, sold under the names “FLUTEC® PCI” and “FLUTEC® PC3” by the company BNFL Fluorochemicals; perfluoro-1,2-dimethylcyclobutane; perfluoroalkanes such as dodecafluoropentane and tetradecafluorohexane, sold under the names “PF 5050®” and “PF 5060®” by the company 3M, or bromoperfluorooctyl sold under the name “FORALKYL®” by the company Atochem; nonafluoro-methoxybutane and nonafluoroethoxyisobutane; perfluoromorpholine derivatives, such as 4-trifluoromethyl perfluoromorpholine sold under the name “PF 5052®” by 3M Company. The liquid fatty alcohols suitable for implementing the invention are more particularly chosen from saturated or unsaturated, linear or branched, preferably unsaturated or branched alcohols comprising from 6 to 40 carbon atoms, preferably from 8 to 30 carbon atoms. These fatty alcohols are neither oxyalkylenated nor glycerolated. Examples that may be mentioned are octyldodecanol, 2-butyloctanol, 2-hexyldecanol, 2-undecylpentadecanol, isostearyl alcohol, oleyl alcohol, linolenic alcohol, ricinoleic alcohol, undecylenic alcohol or 1-linolenic alcohol, and mixtures thereof. Preferably, oleyl alcohol will be used. As regards the liquid esters of fatty acids and / or fatty alcohols, other than the triglycerides mentioned above, mention may be made in particular of esters of saturated or unsaturated aliphatic mono or polyacids, linear in C, to Ca or branched in C, to C 25 and of saturated or unsaturated aliphatic mono or polyalcohols, linear in C, to Ca or branched in C3 to C2s, the total number of carbons of the esters being greater than or equal to 6, more advantageously greater than or equal to 10. Preferably, for monohydric alcohol esters, at least one of the alcohol or acid is branched. Among the monoesters, we can cite dihydroabietyl behenate; behenate octyldodecyl; isocetyl behenate; isostearyl lactate; lauryl lactate; linoleyl lactate; oleyl lactate; isostearyl octanoate; isocetyl octanoate; octyl octanoate; decyl oleate; isocetyl isostearate; isocetyl laurate; isocetyl stearate; isodecyl octanoate; isodecyl oleate; isononyl isononanoate; isostearyl palmitate; methyl acetyl ricinoleate; octyl isononanoate; 2-ethylhexyl isononate; octyldodecyl erucate; oleyl erucate; ethyl and isopropyl palmitates, such as ethyl-2-hexyl palmitate, 2-octyldecyl palmitate; alkyl myristates such as isopropyl myristate; isobutyl stearate; 2-hexyldecyl laurate, and mixtures thereof. Preferably among the monoesters of monoacids and monoalcohols, ethyl and isopropyl palmitates, alkyl myristates such as isopropyl or ethyl myristate, isocetyl stearate, ethyl-2-hexyl isononanoate, isodecyl neopentanoate, isostearyl neopentanoate, and mixtures thereof will be used. Esters of C4 to C6 di- or tricarboxylic acids and C1 to C6 alcohols and esters of mono-, di-, or tricarboxylic acids and C1 to C6 di-, tri-, tetra-, or pentahydroxy alcohols may also be used. Examples include: diethyl sebacate; diisopropyl sebacate; diisopropyl adipate; di-n-propyl adipate; dioctyl adipate; diisostearyl adipate; dioctyl maleate; glyceryl undecylenate; octyldodecyl stearoylstearate; pentaerythrityl monoricinoleate; pentaerythrityl tetraisononanoate; pentaerythrityl tetrapelargonate; pentaerythrityl tetraisostearate; pentaerythrityl tetraoctanoate; propylene glycol dicaprylate; propylene glycol dicaprate, tridecyl erucate; triisopropyl citrate; triisotearyl citrate; glyceryl trilactate; glyceryl trioctanoate; trioctyldodecyl citrate; trioleyl citrate; propylene glycol dioctanoate; neopentyl glycol diheptanoate; diethylene glycol diisocyanate; polyethylene glycol distearates, and mixtures thereof. The composition may also comprise, as fatty ester, esters and diesters of sugars of C, to Cy, preferably C, to C fatty acids. It is recalled that the term "sugar" means oxygenated hydrocarbon compounds which have several alcohol functions, with or without aldehyde or ketone function, and which comprise at least 4 carbon atoms. These sugars may be monosaccharides, oligosaccharides or polysaccharides other than the anionic polysaccharides described below. Suitable sugars include, for example, sucrose (or saccharose), glucose, galactose, ribose, fucose, maltose, fructose, mannose, arabinose, xylose, lactose, and their derivatives, in particular alkylated ones, such as methylated derivatives such as methylglucose. The esters of sugars and fatty acids may be chosen in particular from the group comprising the esters or mixtures of esters of sugars described above and of C to C3, preferably C, to C, fatty acids, linear or branched, saturated or unsaturated. If they are unsaturated, these compounds may comprise one to three carbon-carbon double bonds, conjugated or not. The esters can also be chosen from mono-, di-, tri- and tetra-esters, polyesters and their mixtures. These esters may be, for example, oleate, laurate, palmitate, myristate, behenate, cocoate, stearate, linoleate, linolenate, caprate, arachidonate, or mixtures thereof, such as in particular the mixed esters oleo-palmitate, oleo-stearate, palmito-stearate. More particularly, mono- and di-esters are used, and in particular mono- or di-oleate, stearate, behenate, oleopalmitate, linoleate, linolenate, oleostearate, of sucrose, glucose or methylglucose, and mixtures thereof. An example is the product sold under the name Glucate® DO by the company Amerchol, which is a methylglucose dioleate. Preferably, the liquid fatty substance(s) are chosen from vegetable oils such as those defined above, liquid fatty esters such as those defined above and mixtures thereof, Solid fatty substances preferably have a viscosity greater than 2 Pa.s, measured at 25°C and at a shear rate of 1 s-!. The solid fatty body(ies) are preferably chosen from solid fatty alcohols, solid esters of fatty acids and / or fatty alcohols, waxes, ceramides, and mixtures thereof. By "fatty alcohol" is meant a long-chain aliphatic alcohol comprising from 6 to 40 carbon atoms, preferably from 8 to 30 carbon atoms and comprising at least one hydroxyl group OH. These fatty alcohols are neither oxyalkylenated nor glycerolated. The solid fatty alcohols may be saturated or unsaturated, linear or branched, and comprise from 8 to 40 carbon atoms, preferably from 10 to 30 carbon atoms. Preferably, the solid fatty alcohols have the structure R-OH with R denoting a linear alkyl group, optionally substituted by one or more hydroxyl groups, comprising from 8 to 40, preferably from 10 to 30 carbon atoms, or even from 12 to 24 atoms, even better from 14 to 22 carbon atoms. The solid fatty alcohols that can be used are preferably chosen from saturated or unsaturated, linear or branched (mono)alcohols, preferably linear and saturated, containing from 8 to 40 carbon atoms, better still from 10 to 30, or even from 12 to 24. atoms, even better from 14 to 22 carbon atoms. The solid fatty alcohols that may be used may be chosen from, alone or in a mixture: myristic or myristyl alcohol (or 1-tetradecanol); cetyl alcohol (or 1-hexadecanol); stearyl alcohol (or 1-octadecanol); arachidyl alcohol (or 1-eicosanol); behenyl alcohol (or 1-docosanol); lignoceryl alcohol (or 1-tetracosanol); ceryl alcohol (or 1-hexacosanol); montanyl alcohol (or 1-octacosanol); myricyl alcohol (or 1-triacontanol). Preferably, the solid fatty alcohol is chosen from cetyl alcohol, stearyl alcohol, behenyl alcohol, myristyl alcohol, arachidyl alcohol and mixtures thereof, such as cetylstearyl or cetearyl alcohol. Particularly preferably, the solid fatty alcohol is cetylstearyl or cetearyl alcohol. The solid fatty acid and / or fatty alcohol esters that may be used are preferably chosen from esters derived from Cy-Cz carboxylic fatty acid and / or Cy-Cz fatty alcohol. Preferably, these solid fatty esters are esters of a saturated, linear or branched carboxylic acid containing at least 10 carbon atoms, preferably from 10 to 30 carbon atoms and more particularly from 12 to 24 carbon atoms, and of a saturated, linear or branched monoalcohol containing at least 10 carbon atoms, preferably from 10 to 30 carbon atoms and more particularly from 12 to 24 carbon atoms. The saturated carboxylic acids may optionally be hydroxylated, and are preferably monocarboxylic acids. Esters of C4-C7 di- or tricarboxylic acids and C1-C2 alcohols and esters of mono-, di- or tricarboxylic acids and C1-C25 di-, tri-, tetra- or pentahydroxy alcohols may also be used. Examples include octyldodecyl behenate, isocetyl behenate, cetyl lactate, stearyl octanoate, octyl octanoate, cetyl octanoate, decyl oleate, hexyl stearate, octyl stearate, myristyl stearate, cetyl stearate, stearyl stearate, octyl pelargonate, cetyl myristate, myristyl myristate, stearyl myristate, diethyl sebacate, diisopropyl sebacate, diisopropyl adipate, di n-propyl adipate, dioctyl adipate, dioctyl maleate, dioctyl, octyl palmitate, myristyl palmitate, cetyl palmitate, stearyl palmitate, and mixtures thereof. Preferably, the solid fatty acid and / or fatty alcohol esters are chosen from Cy-Cz alkyl palmitates, in particular myristyl, cetyl and stearyl palmitates; Cy-Cz5 alkyl myristates such as cetyl myristate, stearyl myristate and myristyl myristate; C1-Cz6 alkyl stearates, in particular myristyl, cetyl and stearyl stearates; and mixtures thereof. A wax, within the meaning of the present invention, is a lipophilic compound, solid at 25°C and atmospheric pressure, with a reversible solid / liquid state change, having a melting temperature above about 40°C and up to 200°C, and having an anisotropic crystalline organization in the solid state. Generally speaking, the size of the wax crystals is such that the crystals diffract and / or scatter light, giving the composition containing them a more or less opaque cloudy appearance. By bringing the wax to its melting temperature, it is possible to make it miscible with oils and form a microscopically homogeneous mixture, but by bringing the temperature of the mixture back to room temperature, a recrystallization of the wax is obtained, detectable microscopically and macroscopically (opalescence). In particular, the waxes suitable for the invention may be chosen from waxes of animal, vegetable, mineral origin, non-silicone synthetic waxes and their mixtures. Examples include hydrocarbon waxes, such as beeswax, especially of biological origin, lanolin wax, and Chinese insect waxes; rice bran wax, carnauba wax, candelilla wax, ouricury wax, beeswax, alfa wax, berry wax, shellac wax, japan wax and sumac wax; montan wax, orange and lemon waxes, microcrystalline waxes, paraffins and ozokerite; polyethylene waxes, waxes obtained by Fisher-Tropsch synthesis and waxy copolymers, as well as their esters. We can also mention microcrystalline waxes in Cao to Cep, such as Microwax HW. We can also mention the PM 500 polyethylene wax marketed under the reference Permalen 50-L polyethylene. Mention may also be made of waxes obtained by catalytic hydrogenation of animal or vegetable oils having linear or branched fatty chains, from C; to C4. Among these, mention may in particular be made of isomerized jojoba oil, such as trans isomerized partially hydrogenated jojoba oil, in particular that manufactured or marketed by the company Desert Whale under the commercial reference Iso-Jojoba-50®, hydrogenated sunflower oil, hydrogenated castor oil, hydrogenated coconut oil, hydrogenated lanolin oil, and di-(trimethylol-1,1,1 propane) tetrastearate, in particular that sold under the name Hest 2T-4S® by the company HETERENE. Waxes obtained by hydrogenation of castor oil esterified with cetyl alcohol can also be used, such as those sold under the names Phytowax ricin 16L64® and 22L73® by the company SOPHIM. As a wax, one can also use a Cao to Ca alkyl (hydroxystearyloxy)stearate (the alkyl group comprising 20 to 40 carbon atoms), alone or in a mixture. Such wax is sold in particular under the names “Kester Wax K 82 P®”, “Hydroxypolyester K 82 P®” and “Kester Wax K 80 P®” by the company KOSTER KEUNEN. It is also possible to use microwaxes in the compositions of the invention;we can cite in particular carnauba microwaxes, such as that marketed under the name MicroCare 350® by the company MICRO POWDERS, synthetic wax microwaxes, such as that marketed under the name MicroEase 114S® by the company MICRO POWDERS, microwaxes consisting of a mixture of carnauba wax and polyethylene wax, such as those marketed under the names Micro Care 300® and 310® by the company MICRO POWDERS, microwaxes consisting of a mixture of carnauba wax and synthetic wax, such as that marketed under the name Micro Care 325® by the company MICRO POWDERS, polyethylene microwaxes, such as those marketed under the names Micropoly 200®, 220®, 220L® and 250S® by the company MICRO POWDERS and microwaxes of polytetrafluoroethylene, such as those marketed under the names Microslip 519® and 519 L® by the company MICRO POWDERS.; The waxes are preferably chosen from mineral waxes such as paraffin wax, vaseline wax, lignite wax or ozokerite; vegetable waxes such as cocoa butter or cork or sugar cane fiber waxes, olive wax, rice wax, hydrogenated jojoba wax, Ouricoury wax, Carnauba wax, Candelila wax, Alfa wax, or absolute flower waxes such as blackcurrant flower essential wax sold by the company BERTIN (France); waxes of animal origin such as beeswax or modified beeswax (cerabellina), spermaceti, lanolin wax and lanolin derivatives; microcrystalline waxes; and mixtures thereof. Ceramides or ceramide analogues such as glycoceramides, which may be used in the compositions according to the invention, are known; mention may be made in particular of ceramides of classes I, II, III and V according to the DAWNING classification. Ceramides or their analogues that may be used preferably correspond to the following formula: R°CH(OH)CH(CH,OR?)(NHCOR)), in which: R' denotes a linear or branched, saturated or unsaturated alkyl group derived from C,4-C10 fatty acids, this group being able to be substituted by a hydroxyl group in the alpha position, or a hydroxyl group in the omega position esterified by a saturated or unsaturated C16-C3 fatty acid; R° denotes a hydrogen atom, a (glycosyl)n group, a (galactosyl)m group or a sulfogalactosyl group, in which n is an integer ranging from 1 to 4 and m is an integer ranging from 1 to 8; R3 denotes a Cys-Ca hydrocarbon group, saturated or unsaturated in the alpha position, this group possibly being substituted by one or more C;-C, alkyl groups; it being understood that in the case of natural ceramides or glycoceramides, R* may also denote a C;s-Ca5 alpha-hydroxyalkyl group, the hydroxyl group being optionally esterified by a C;6-Cxp alpha-hydroxy acid. The more particularly preferred ceramides are the compounds for which R! denotes a saturated or unsaturated alkyl derived from C,6-C72 fatty acids; R? denotes a hydrogen atom and R* denotes a linear saturated C5 group. Preferably, ceramides are used for which R! denotes a saturated or unsaturated alkyl group derived from C,4-C3y fatty acids; R? denotes a galactosyl or sulfogalactosyl group; and R* denotes a -CH=CH-(CH,),.-CH, group. It is also possible to use compounds for which R! denotes a saturated or unsaturated alkyl radical derived from C12-C16 fatty acids; R? denotes a galactosyl or sulfogalactosyl radical and R* denotes a saturated or unsaturated C12-C16 hydrocarbon radical and preferably a -CH=CH-(CH»)>-CH group. As particularly preferred compounds, mention may also be made of 2-N-linoleoylamino-octadecane-1,3-diol; 2-N-oleoylamino-octadecane-1,3-diol; 2-N-palmitoylamino-octadecane-1,3-diol; 2-N-stearoylamino-octadecane-1,3-diol; 2-N-behenoylamino-octadecane-1,3-diol; 2-N-[2-hydroxy-palmitoyl]-amino-octadecane-1,3-diol; 2-N-stearoyl amino-octadecane-1,3,4-triol and in particular N-stearoyl phytosphingosine 2-N-palmitoylamino-hexadecane-1,3-diol, N-linoleoyldihydrosphingosine, N-oleoyldihydrosphingosine, N-palmitoyldihydrosphingosine, N- stearoyldihydrosphingosine, and N-behenoyldihydrosphingosine, N-docosanoyl N-methyl-D-glucamine, cetyl acid N-(2-hydroxyethyl)-N-(3-cetyloxy-2-hydroxypropyl)amide and bis-(N-hydroxyethyl N-cetyl) malonamide; and mixtures thereof. Preferably, N-oleoyldihydrosphingosine will be used. The solid fatty substances are preferably chosen from solid fatty alcohols, in particular from cetyl alcohol, stearyl alcohol and their mixtures such as cetylstearyl or cetearyl alcohol. Butters can also be used. For the purposes of the present invention, the term "butter" (also called "pasty fat") means a lipophilic fatty compound with a reversible solid / liquid state change and comprising, at a temperature of 25°C and at atmospheric pressure (760 mm Hg), a liquid fraction and a solid fraction. Preferably, the butter(s) according to the invention have a melting start temperature greater than 25°C and an end melting temperature less than 60°C. Preferably the particular butter(s) are of vegetable origin such as those described in Ullmann's Encyclopedia of Industrial Chemistry ("Fats and Fatty Oils", A. Thomas, Published Online: 15 JUN 2000, DOI: 10.1002 / 14356007.a10_173, point 13.2.2.2. Shea Butter, Borneo Tallow, and Related Fats (Vegetable Butters)). We can cite more particularly shea butter, Nilotica Shea butter (Butyrospermum parkii), Galam butter (Butyrospermum parkii), Borneo butter or fat or tengkawang tallow) (Shorea stenoptera), Shorea butter, Illipé butter, Madhuca butter or Bassia Madhuca longifolia, mowrah butter (Madhuca Latifolia), Katiau butter (Madhuca mottleyana), Phulwara butter (M.butyracea), Mango butter (Mangifera indica), Murumuru butter (Astrocaryum murumuru), Kokum butter (Garcinia Indica), Ucuuba butter (Virola sebifera), Tucuma butter, Painya butter (Kpangnan) (Pentadesma butyracea), Coffee butter (Coffea arabica), Apricot butter (Prunus Armeniaca), Macadamia butter (Macadamia Ternifolia), Grape seed butter (Vitis vinifera), Avocado butter (Persea gratissima), Olive butter (Olea europaea), Sweet almond butter (Prunus amygdalus dulcis) and Cocoa butter, Sunflower butter. Shea butter is an example of a favorite butter. As is known, shea butter is extracted from the fruits (also called "almonds" or "nuts") of the Butyrospemim Parkii tree. Each fruit contains between 45 and 55% of fat which is generally extracted and refined. Preferably, the non-silicone fatty substance(s) iv) are chosen from butters, vegetable oils, liquid fatty esters of fatty acid and / or fatty alcohol, and mixtures thereof. More preferably, they are chosen from shea butter, sunflower, corn, soybean, pumpkin, grape seed, sesame, hazelnut, apricot, macadamia, arara, castor, avocado oils, isopropyl myristate, coco caprylate / caprate, and mixtures thereof. Preferably, the solid composition according to the invention comprises one or more liquid non-silicone fatty substances, preferably chosen from vegetable oils, liquid fatty esters of fatty acid and / or fatty alcohol, and mixtures thereof. The total content of the non-silicone fatty substance(s) iv) preferably ranges from 0.1 to 30% by weight, preferably from 0.5 to 20% by weight, more preferably from 1 to 15% by weight, better still from 2 to 10%, even better still from 3 to 9% by weight, relative to the total weight of the composition. Advantageously, the total content of the liquid non-silicone fatty substance(s) preferably ranges from 0.1 to 30% by weight, preferably from 0.5 to 20% by weight, more preferably from 1 to 15% by weight, better still from 2 to 10% by weight, even better still from 3 to 9%, or even from 3 to 6% by weight relative to the total weight of the composition. Cationic polymer(s) The solid composition according to the invention may optionally also comprise one or more cationic polymers. For the purposes of the present invention, the term "cationic polymer" means any polymer comprising cationic groups and / or groups ionizable into cationic groups. Preferably, the cationic polymer(s) are hydrophilic or amphiphilic. Cationic polymers are preferably not silicone-containing (do not include a Si-O unit). The preferred cationic polymers are chosen from those which contain units comprising primary, secondary, tertiary and / or quaternary amine groups which can either be part of the main polymer chain or be carried by a side substituent directly linked to it. Preferably, the cationic polymers according to the invention do not comprise an anionic group or a group ionizable into anionic group. The cationic polymers that can be used preferably have a weight-average molar mass (Mw) of between 500 and 5.10° approximately, preferably of between 10° and 3.106 approximately. Among the cationic polymers, we can cite more particularly: (1) homopolymers or copolymers derived from acrylic or methacrylic esters or amides and comprising at least one of the units of the following formula: R CH This OsC Osû - O At 0% HAS N RovN+—R, Ro R Re Ra Rs —CH-€ oc O6 NH PT ee NH AA Rr- — Lou Re RR, formulas in which: - R,, identical or different, denote a hydrogen atom or a CH4 radical; - A, identical or different, represent a divalent alkyl group, linear or branched, of 1 to 6 carbon atoms, preferably 2 or 3 carbon atoms or a hydroxyalkyl group of 1 to 4 carbon atoms; - R4, Rs and R5, identical or different, represent an alkyl group having from 1 to 18 carbon atoms or a benzyl radical; preferably an alkyl group having from 1 to 6 carbon atoms; - R, and R>, identical or different, represent a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms, preferably methyl or ethyl; and - X denotes an anion derived from a mineral or organic acid such as a methosulfate anion or a halide such as chloride or bromide. The copolymers of family (1) may also contain one or more units derived from comonomers which may be chosen from the family of acrylamides, methacrylamides, diacetone acrylamides, acrylamides and methacrylamides substituted on the nitrogen by lower alkyls (C,-Cz), acrylic or methacrylic acids or their esters, vinyllactams such as vinylpyrrolidone or vinylcaprolactam, vinyl esters. Among these copolymers of family (1), we can cite: - copolymers of acrylamide and dimethylaminoethyl methacrylate quaternized with dimethyl sulfate or with a dimethyl halide, such as that sold under the name HERCOFLOC by the company HERCULES, - copolymers of acrylamide and methacryloyloxyethyltrimethylammonium chloride, such as those sold under the name BINA QUAT P 100 by the company CIBA GEIGY, - the copolymer of acrylamide and methacryloyloxyethyltrimethylammonium methosulfate, such as that sold under the name RETEN by the company HERCULES, - vinylpyrrolidone / dialkylaminoalkyl acrylate or methacrylate copolymers, quaternized or not, such as the products sold under the name "GAFQUAT" by the company ISP such as for example "GAFQUAT 734" or "GAFQUAT 755" or the products called "COPOLYMER 845, 958 and 937". These polymers are described in detail in French patents 2,077,143 and 2,393,573, - dimethylaminoethyl methacrylate / vinylcaprolactam / vinylpyrrolidone terpolymers, such as the product sold under the name GAFFIX VC 713 by the company ISP, - vinylpyrrolidone / methacrylamidopropyldimethylamine copolymers, such as those marketed under the name STYLEZE CC 10 by ISP; - vinylpyrrolidone / quaternized dimethylaminopropyl methacrylamide copolymers, such as the product sold under the name "GAFQUAT HS 100" by the company ISP, - polymers, preferably crosslinked, of methacryloyloxyalkyl(C,-C4)trialkyl(C,-C,)ammonium salts such as polymers obtained by homopolymerization of dimethylaminoethylmethacrylate quaternized with methyl chloride, or by copolymerization of acrylamide with dimethylaminoethylmethacrylate quaternized with methyl chloride, the homo- or copolymerization being followed by crosslinking with an olefinically unsaturated compound, in particular methylene bisacrylamide. It is more particularly possible to use a crosslinked acrylamide / methacryloyloxyethyl trimethylammonium chloride copolymer (20 / 80 by weight) in the form of a dispersion comprising 50% by weight of said copolymer in mineral oil. This dispersion is marketed under the name "ALCARE® SC 92" by the company CIBA.A crosslinked homopolymer of methacryloyloxyethyl trimethylammonium chloride comprising about 50% by weight of the homopolymer in mineral oil or in a liquid ester can also be used. These dispersions are marketed under the names "SALCARE® SC 95" and "SALCARES® SC 96" by the company CIBA. (2) Cationic polysaccharides, in particular inulins, celluloses and cationic galactomannan gums. Among the cationic polysaccharides, mention may be made more particularly of cellulose ether derivatives containing quaternary ammonium groups, cationic cellulose copolymers or cellulose derivatives grafted with a water-soluble quaternary ammonium monomer and cationic galactomannan gums. Cellulose ether derivatives containing quaternary ammonium groups are described in particular in FR 1 492 597, and mention may be made of the polymers marketed under the name "UCARE POLYMER JR" (JR 400 LT, JR 125, JR 30M) or "LR" (LR 400, LR 30M) by the company AMERCHOL. These polymers are also defined in the CTFA dictionary as quaternary ammoniums of hydroxyethylcellulose having reacted with an epoxide substituted by a trimethylammonium group. Cationic cellulose copolymers or cellulose derivatives grafted with a water-soluble quaternary ammonium monomer are described in particular in US patent 4,131,576, and mention may be made of hydroxyalkylcelluloses, such as hydroxymethyl-, hydroxyethyl- or hydroxypropyl]l celluloses grafted in particular with a salt of methacryloylethyl trimethylammonium, methacrylamidopropyl trimethylammonium, dimethyl-diallylammonium. The marketed products meeting this definition are more particularly the products sold under the name "Celquat L 200" and "Celquat H 100" by the National Starch Company. Among the cationic cellulose derivatives, it is also possible to use cationic associative celluloses, which can be chosen from quaternized cellulose derivatives, and in particular quaternized celluloses modified by groups comprising at least one fatty chain, such as linear or branched alkyl, linear or branched arylalkyl, linear or branched alkylaryl, preferably linear or branched alkyl, these groups comprising at least 8 carbon atoms, in particular from 8 to 30 carbon atoms, better still from 10 to 24, or even from 10 to 14, carbon atoms; or mixtures thereof. Preferably, mention may be made of quaternized hydroxyethylcelluloses modified by groups comprising at least one fatty chain, such as linear or branched alkyl, linear or branched arylalkyl, linear or branched alkylaryl, preferably linear or branched alkyl, these groups comprising at least 8 carbon atoms, in particular from 8 to 30 carbon atoms, better still from 10 to 24, or even from 10 to 14, carbon atoms; or mixtures thereof. Preferably, we can cite hydroxyethylcelluloses of formula (VI): <H . ent poeme ç 254 4 OH ME 1 ee - A — #0. ” rs ; {vs TT 4 OH o-cmpnoitgré- hr in which: - R represents an ammonium group R,R;R;N+—, Q- in which R,, Rp, and Res, identical or different, represent a hydrogen atom or a linear or branched alkyl, C, to Ca, preferably an alkyl, and Q represents an anionic counterion such as a halide such as a chloride or bromide; - R' represents an ammonium group R',R",R°,N+, Q” in which R°,, R°, and R', identical or different, represent a hydrogen atom or a linear or branched alkyl, C, to C10, preferably an alkyl, and Q' represents an anionic counterion such as a halide such as a chloride or bromide; it being understood that at least one of the radicals R,, Ro» Res Ras R°5, R°. represents a linear or branched alkyl, C; to Cao; - n, x and y, identical or different, represent an integer between | and 10,000. Preferably, in formula (VI), at least one of the radicals Ra, Rp, Res R°as R°b, R'. represents a linear or branched alkyl, C; to C3p; better still Cyp to C24, or even Cy to C,4; In particular, mention may be made of the dodecyl radical (C;2). Preferably, the other radical(s) represent a linear or branched alkyl, C, to C4, in particular methyl. Preferably, in formula (VI), only one of the radicals R, Rp, Res R°49 R'ps R°e represents a linear or branched alkyl, C; to C4; better still C,p to C,4, or even Cp to C,4; in particular, mention may be made of the dodecyl radical (C;2). Preferably, the other radicals represent a linear or branched alkyl, C, to C4, in particular methyl. Even better, R can be a group chosen from —N*(CH)3, Q” and —N*(C,,H>s)(CH),, Q”, preferably a group —N+(CH);, Q”. Even better, R° can be a group —-N*(C,,H>s)(CH:),, Q”-. Aryl radicals preferably denote phenyl, benzyl, naphthyl or anthryl groups. We can notably cite the polymers with INCI names: - Polyquaternium-24, such as the product QUATRISOFT LM 2008, marketed by the company AMERCHOL / DOW CHEMICAL; - PG-Hydroxyethylcellulose Cocodimonium Chloride, such as the product CRODACEL QM®: - PG-Hydroxyethylcellulose Lauryldimonium Chloride (C;2 alkyl), such as the product CRODACEL QLE and - PG-Hydroxyethylcellulose Stearyldimonium Chloride (C;5 alkyl) such as the product CRODACEL QSS, marketed by the company CRODA. Mention may also be made of hydroxyethylcelluloses of formula (VI) in which R represents trimethylammonium halide and R° represents dimethyldodecylammonium halide, preferably R represents trimethylammonium chloride CF,(CHz):N*- and R' represents dimethyldodecylammonium chloride CI,(CH,),(C,2H-s)N*-. This type of polymer is known under the INCI name Polyquaternium-67; as commercial products, mention may be made of SOFTCAT POLYMER SLB polymers such as SL-100, SL-60, SL-30 and SL-S from the company AMERCHOL / DOW CHEMICAL. More particularly, the polymers of formula (VI) are, for example, those whose viscosity is inclusively between 2 and 3 Pa.s (between 2000 and 3000 cPs), preferably between 2.7 and 2.8 Pa.s (between 2700 and 2800 cPs). Typically SOFTCAT POLYMER SL-5 has a viscosity of 2.5 Pa.s (2500 cPs), SOFTCAT POLYMER SL-30 has a viscosity of 2700 cPs, SOFTCAT POLYMER SL-60 has a viscosity of 2.7 Pa.s (2700 cPs) and SOFTCAT POLYMER SL-100 has a viscosity of 2.8 Pa.s (2800 cPs). SOFTCAT POLYMER SX-1300X with a viscosity of between 1 and 2 Pa.s (1000 and 2000 cPs) can also be used. Cationic galactomannan gums are described more particularly in US patents 3,589,578 and US 4,031,307, and guar gums comprising cationic trialkylammonium groups may be mentioned. For example, guar gums modified with a salt (for example a chloride) of 2,3-epoxypropyl trimethylammonium. Such products are marketed in particular under the names JAGUAR C13 S, JAGUAR C 15, JAGUAR C 17 or JAGUAR C162 by the company RHODIA. (3) polymers consisting of piperazinyl units and divalent alkylene or hydroxyalkylene radicals with linear or branched chains, optionally interrupted by oxygen, sulfur, nitrogen atoms or by aromatic or heterocyclic rings, as well as the oxidation and / or quaternization products of these polymers. (4) water-soluble polyaminoamides, prepared in particular by polycondensation of an acidic compound with a polyamine; these polyaminoamides may be crosslinked by an epihalohydrin, a diepoxide, a dianhydride, an unsaturated dianhydride, a bis-unsaturated derivative, a bis-halohydrin, a bis-azetidinium, a bis-haloacyldiamine, an alkyl bis-halide or by an oligomer resulting from the reaction of a bifunctional compound reactive with a bis-halohydrin, a bis-azetidinium, a bis-haloacyldiamine, an alkyl bis-halide, an epihalohydrin, a diepoxide or a bis-unsaturated derivative; the crosslinking agent being used in proportions ranging from 0.025 to 0.35 mole per amine group of the polyaminoamide; these polyaminoamides can be alkylated or, if they comprise one or more tertiary amine functions, quaternized. (5) polyaminoamide derivatives resulting from the condensation of polyalkylene polyamines with polycarboxylic acids followed by alkylation by bifunctional agents. Examples that may be mentioned are adipic acid-diacoylaminohydroxyalkyldialoylene triamine polymers in which the alkyl radical contains from | to 4 carbon atoms and preferably denotes methyl, ethyl, propyl. Among these derivatives, mention may be made more particularly of the adipic acid / dimethylaminohydroxypropyl / diethylene triamine polymers sold under the name "Cartaretine F, F4 or F8" by the company Sandoz. (6) polymers obtained by reacting a polyalkylene polyamine comprising two primary amine groups and at least one secondary amine group with a dicarboxylic acid chosen from diglycolic acid and saturated aliphatic dicarboxylic acids having from 3 to 8 carbon atoms; the molar ratio between the polyalkylene polyamine and the dicarboxylic acid preferably being between 0.8:1 and 1.4:1; the resulting polyaminoamide being reacted with epichlorohydrin in a molar ratio of epichlorohydrin relative to the secondary amine group of the polyaminoamide preferably between 0.5:1 and 1.8:1. Polymers of this type are in particular marketed under the name "Hercosett 57" by the company Hercules Inc. or under the name "PD 170" or “Delsette 101" by the company Hercules in the case of the adipic acid copolymer / epoxypropyl / diethylenetriamine. (7) cyclopolymers of alkyl diallyl amine or dialkyl diallyl ammonium such as homopolymers or copolymers comprising as the main constituent of the chain units corresponding to formulae (VII) or (VIII): {CH)K {CHIK #* “ 7 S {CH} —— CR, CIRÇ}CHS CH) — CR, c HC- CH, HG CH, A af RE en (VIF CN4 CNT np Nu + (VID N Ra' R. 0048 ei. Ras formulas (VII) and (VIII), in which: - ket t are equal to 0 or |, the sum k + t being equal to 1; - R,; denotes a hydrogen atom or a methyl radical; - R10 and R1, independently of each other, denote an alkyl group having from 1 to 6 carbon atoms, a hydroxyalkyl group in which the alkyl group has from 1 to 5 carbon atoms, a C1 to C4 amidoalkyl group; or R1p and R1, together with the nitrogen atom to which they are attached, may denote heterocyclic groups, such as piperidinyl or morpholinyl; R19 and R11, independently of each other, preferably denote an alkyl group having from 1 to 4 carbon atoms; and - Ÿ is an anion such as bromide, chloride, acetate, borate, citrate, tartrate, bisulfate, bisulfite, sulfate, phosphate. Mention may be made more particularly of the homopolymer of salts (for example chloride) of dimethyldiallylammonium, for example sold under the name "MERQUAT 100" by the company NALCO (and their counterparts with low weight-average molar masses) and the copolymers of salts (for example chloride) of diallyldimethylammonium and acrylamide sold in particular under the name "MERQUAT 550" or "MERQUAT 7SPR". (8) quaternary diammonium polymers comprising recurring units of formula (IX): Rs Aus ON+-A,CNB — RE Re x formula (IX), in which: - R13, Ry4, Rys and Ry6, identical or different, represent aliphatic radicals, alicyclic, or arylaliphatic radicals comprising from 1 to 20 carbon atoms or lower hydroxyalkylaliphatic radicals, or R;3, R14, Ry5 and Ry5, together or separately, constitute with the nitrogen atoms to which they are attached heterocycles optionally comprising a second heteroatom other than nitrogen or Ry3, Ri4, Rys and Ry6 represent a linear or branched C, to C alkyl radical substituted by a nitrile, ester, acyl, amide or -CO-OR,--D or -CO-NH-R,7-D group where R 17 is an alkylene and D a quaternary ammonium group; - A, and B, represent divalent polymethylene groups comprising from 2 to 20 carbon atoms which may be linear or branched, saturated or unsaturated, and which may contain, linked to or intercalated in the main chain, one or more aromatic rings, or one or more oxygen, sulfur atoms or sulfoxide, sulfone, disulfide, amino, alkylamino, hydroxyl, quaternary ammonium, ureido, amide or ester groups, and - X- denotes an anion derived from a mineral or organic acid; it being understood that A;, Ry3 and Ry5 can form with the two nitrogen atoms to which they are attached a piperazine ring; furthermore if A, denotes a linear or branched, saturated or unsaturated alkylene or hydroxyalkylene radical, B; can also denote a group (CHz),-CO-D-OC-(CH,) n- in which D denotes: a) a glycol residue of formula -OZO-, where Z denotes a linear or branched hydrocarbon radical or a group corresponding to one of the following formulae: -(CH, - CHz-O),-CHz-CH-- and -|CH:-CH(CHz)-O],-CH,-CH(CH;)- where x and y denote an integer from 1 to 4, representing a defined and unique degree of polymerization or any number from | to 4 representing an average degree of polymerization; b) a bis-secondary diamine residue such as a piperazine derivative; (c) a bis-primary diamine residue of formula: -NH-Y-NH-, where Y denotes a linear or branched hydrocarbon radical, or the divalent radical -CH,-CH,-SS-CH;-CH--; or d) a ureylene group of formula: -NH-CO-NH-. Preferably, X- is an anion such as chloride or bromide. These polymers have a number average molar mass (Mn) generally between 1000 and 100000. We can more particularly mention polymers which are made up of recurring units corresponding to the formula (X): formula (X) in which R;, R», R3 and R4, identical or different, denote an alkyl or hydroxyalkyl radical having from 1 to 4 carbon atoms approximately, n and p are whole numbers varying from 2 to 20 approximately and, X- is an anion derived from a mineral or organic acid. A particularly preferred compound of formula (X) is that for which R;, Ra, R3 and R, represent a methyl radical, n=3, p=6 and X = CI, called Hexadimethrine chloride according to the INCI nomenclature (CTFA). (9) quaternary polyammonium polymers comprising units of formula (XD: Te Ras 7 N+ (CHR), - NE -CO-(CH4, CO-NH (CH), —N+—A— Me Î HE A 1 SR A Res {XD NA Ru X- formula (XI), in which: = Ris, Ri9, Rocët Roi, identical or different, represent a hydrogen atom or a methyl, ethyl, propyl, B-hydroxyethyl, B-hydroxypropyl or -CH.CH, (OCHCH),OH radical, where p is equal to 0 or to an integer between 1 and 6, provided that Rys, R19, Rap and R>1 do not simultaneously represent a hydrogen atom, -ret s, identical or different, are whole numbers between | and 6, - q is equal to 0 or to an integer between | and 34, - X denotes an anion such as a halide, and - A denotes a radical of a dihalide or preferably represents -CH,-CH; - O-CH,-CH,-. Examples include the products "Mirapol® 15°, "Mirapol® ADI", "Mirapol® AZ1" and "Mirapol® 175" sold by the company Miranol. (10) quaternary polymers of vinylpyrrolidone and vinylimidazole such as, for example, the products marketed under the names Luviquat® FC 905, FC 550 and FC 370 by the company BASF (1) polyamines such as Polyquart® H sold by COGNIS, referenced under the name “POLYETHYLENEGLYCOL (15) TALLOW POLYAMINE” in the CTFA dictionary. (12) polymers comprising in their structure: (a) one or more patterns corresponding to the following formula (A'): (b) possibly one or more patterns corresponding to the following formula (B'): —CHa—0H— = tn, (B”) + NH HE ii Fe) In other words, these polymers can be chosen in particular from homo- or copolymers comprising one or more units derived from vinylamine and possibly one or more units derived from vinylformamide. Preferably, these cationic polymers are chosen from polymers comprising, in their structure, from 5 to 100 mol% of units corresponding to formula (A') and from 0 to 95 mol% of units corresponding to formula (B'), preferably from 10 to 100 mol% of units corresponding to formula (A) and from 0 to 90 mol% of units corresponding to formula (B'). These polymers can be obtained for example by partial hydrolysis of polyvinylformamide. This hydrolysis can be carried out in an acidic or basic medium. The weight-average molecular mass of said polymer, measured by light diffraction, can vary from 1000 to 3,000,000 g / mol, preferably from 10,000 to 1,000,000 and more particularly from 100,000 to 500,000 g / mol. The cationic charge density of these polymers can vary from 2 meq / g to 20 meq / g, preferably from 2.5 to 15 and more particularly from 3.5 to 10 meag / g. Polymers comprising units of formula (A') and possibly units of formula (B) are sold in particular under the name LUPAMIN by the company BASF, such as, for example, and in a non-limiting manner, the products offered under the names LUPAMIN 9095, LUPAMIN 5095, LUPAMIN 1095, LUPAMIN 9030 (or LUVIQUAT 9030) and LUPAMIN 9010. Preferably, the cationic polymer(s) are chosen from cationic polysaccharides (family (2)) and their mixtures, more preferably from cationic galactomannan gums and their mixtures, and better still from cationic guar gums and their mixtures. Preferably, the solid composition according to the invention comprises one or more cationic polymers. More preferably, the solid composition according to the invention comprises one or more cationic polymers chosen from cationic polysaccharides (family (2)) and their mixtures, more preferably from cationic galactomannan gums and their mixtures, and better still from cationic guar gums and their mixtures. More preferably, the solid composition according to the invention comprises one or more cationic polymers chosen from cationic polysaccharides (family (2)), cyclopolymers of alkyl diallyl amine or dialkyl diallyl ammonium (family 7) and mixtures thereof, even more preferably among mixtures of cationic galactomannan gums and cyclopolymers of alkyl diallyl amine or dialkyl diallyl ammonium, better still among mixtures of cationic guar gums and copolymers of salts (for example chloride) of diallyldimethylammonium and acrylamide. When they are present in the composition according to the invention, the total content of the cationic polymer(s) is preferably greater than or equal to 0.05% by weight, more preferably ranges from 0.05 to 5% by weight, better still from 0.1 to 2% by weight, and even more preferably from 0.2 to 1.5% by weight, relative to the total weight of the composition. According to a preferred embodiment, the cationic polymer(s) are chosen from cationic polysaccharides (family (2)) and their mixtures, and the total content of the cationic polysaccharide(s), present in the solid composition according to the invention, is preferably greater than or equal to 0.05% by weight, more preferably ranging from 0.05 to 5% by weight, and better still from 0.1 to 2% by weight, or even from 0.2 to 1.5% by weight, relative to the total weight of the composition. Amphoteric or zwitterionic surfactant(s) The solid composition according to the invention may advantageously also comprise one or more amphoteric or zwitterionic surfactants. In particular, the amphoteric or zwitterionic surfactant(s), preferably non-silicone, used in the solid composition according to the present invention, may in particular be derivatives of secondary or tertiary aliphatic amines, optionally quaternized, in which the aliphatic group is a linear or branched chain comprising from 8 to 22 carbon atoms, said amine derivatives containing at least one anionic group such as, for example, a carboxylate, sulfonate, sulfate, phosphate or phosphonate group. In particular, mention may be made of alkyl(C;-Cz0)betaines, alkyl(Cg-Czo)sulfobetaines, alkyl(C;-Cao)amidoalky1(C,-C,)betaines, alkyl(Cs-Cz0)-amidalky1(C,-Ce )sulfobetaines, and mixtures thereof. Among the derivatives of secondary or tertiary aliphatic amines, optionally quaternized, which can be used, as defined above, we may also cite the compounds of the following respective structures (III) and (IV): R,-CONHCH-,CH--N''{(R;,(R.)-CH,COO-, M+, X- (IT) formula (IT), in which: - R, represents an alkyl or alkenyl group of Cyp to Cao derived from an acid R,COOH, preferably present in hydrolyzed coconut oil, preferably R, represents a heptyl, nonyl or undecyl group; - R, represents a beta-hydroxyethyl group; - R, represents a carboxymethyl group; - M* represents a cationic counterion derived from an alkali metal, alkaline earth metal, such as sodium, an ammonium ion or an ion derived from an organic amine; and - X represents an organic or inorganic anionic counterion, such as that chosen from halides, acetates, phosphates, nitrates, alkyl(C,-C,)sulfates, alkyl(C,-C,)- or alkyl(C,-C,)aryl-sulfonates, in particular methylsulfate and ethylsulfate; or else M* and X- are absent: R,-CONHCH,CH,-N(B)(B") (IV) formula (IV), in which: - B represents the group -CH,CH,OX'; - B' represents the group -(CH,),Ÿ,, with z=1 or 2; - X represents the group -CH,COOH, -CH,-COOZ”, -CH,CH,COOH, CH,CH; - COOZ', or a hydrogen atom; - Y represents the group -COOH, -COOZ”, -CH,CH(OH)SO;H or the group CH; CH(OH)SO--Z; - Z' represents a cationic counterion derived from an alkali or alkaline earth metal, such as sodium, an ammonium ion or an ion derived from an organic amine; - R,' represents a C0 to C0 alkyl or alkenyl group of an acid R,-COOH preferably present in coconut oil or in hydrolyzed linseed oil, preferably R;' an alkyl group, in particular C,; and its iso form, an unsaturated C,7 group. These compounds are classified in the CTFA dictionary, 5th edition, 1993, under the names disodium cocoamphodiacetate, disodium lauroamphodiacetate, disodium caprylamphodiacetate, disodium capryloamphodiacetate, disodium cocoamphodipropionate, disodium lauroamphodipropionate, disodium caprylamphodipropionate, disodium capryloamphodipropionate, lauroamphodipropionic acid, cocoamphodipropionic acid. For example, we can cite cocoamphodiacetate marketed by the company RHODIA under the trade name MIR ANOLE C2M concentrate. Compounds of formula (V) can also be used: R, '-NHCH(Y'')-(CH,), CONH(CH3),-N(R2(Re) (V) formula (V), in which: - Y'' represents the group —-COOH, -COOZ”', -CH,-CH(OH)SO3H or the group CH, CH(OH)SO--Z”; - Ra and Re, independently of each other, represent a C; to C4 alkyl or hydroxyalkyl radical; - Z'' represents a cationic counterion from an alkali or alkaline earth metal, such as sodium, an ammonium ion or an ion derived from an organic amine; - R,” represents a Cyp to Cap alkyl or alkenyl group of an acid R,”-COOH preferably present in coconut oil or in hydrolyzed linseed oil; and -net no., independently of each other, denotes an integer ranging from 1 to 3. Among the compounds of formula (V) we can cite the compound classified in the CTFA dictionary under the name sodium diethylaminopropyl cocoaspartamide and marketed by the company CHIMEX under the name CHIMEXANE HB. These compounds can be used alone or in mixtures. Among the amphoteric or zwitterionic surfactants mentioned above, advantageously used are alkyl(C,-C,p)betaines, such as cocobetaine, alkyl(C,-C,y)amidoalkyl(C,-C,)betaines, such as cocamidopropylbetaine, alkyl(C,-C,9)amphoacetates, alkyl(C,-C,p)amphodiacetates and mixtures thereof; and preferably alkyl(C,-C,p)betaines, alkyl(C,-C,p)amidoalkyl(C,-C,)betaines and mixtures thereof. Preferably, the amphoteric or zwitterionic surfactant(s) are chosen from alkyl(Cs-Cao)betaines, alkyl(C;-C20)amidoalkyl(C;-C;)betaines and mixtures thereof, and better still from alkyl(Cs-C2o)amidoalkyl(C;-C;)betaines and mixtures thereof. Preferably, the solid composition according to the invention comprises one or more amphoteric or zwitterionic surfactants. When present in the composition according to the invention, the total content of the amphoteric or zwitterionic surfactant(s) preferably ranges from 0.01 to 10% by weight, more preferably from 0.05 to 5% by weight, and better still from 0.1 to 1% by weight, relative to the total weight of the composition. Polyol(s) The solid composition according to the invention may optionally also comprise one or more polyols. The polyol(s) present in the solid composition of the invention are preferably chosen from the polyols of the following formula (XII): Ra Rs | RC —(a].- —0—R: OH OH (XII) formula (XIT) in which: - R', R°2, R'3 and R°, identical or different, independently denote a hydrogen atom, a linear or branched alkyl radical, C, to Cs or a mono or polyhydroxyalkyl radical in C, to Ce, - A denotes an alkyl radical, saturated or unsaturated, linear or branched, containing from 1 to 18 carbon atoms, this radical comprises from 0 to 9 oxygen atoms, but no hydroxyl group, and - m denotes 0 or |. The polyol(s) are preferably chosen from polyols of formula (XII), in which m is 0, and mixtures thereof, and more preferably from propylene glycol (propane-1,2-diol), 1,2,3-propanetriol, pinacol (2,3-dimethyl 2,3-butanediol), 1,2,3-butanetriol, 2,3-butanediol, glycerin, sorbitol and mixtures thereof. The polyol(s) may also be chosen from polyols of formula (XII), in which m is 1 and R',, R>, R',, and R, which may be identical or different, denote, independently of one another, a hydrogen atom or a C, to C5 alkyl radical, and mixtures thereof. They may advantageously be chosen from polyethylene glycols and mixtures thereof, and more particularly the product named PEG-6 or PEG-8 in the CTFA (International Cosmetic Ingredient Dictionary, Seventh Edition) work. The polyol(s) may also be chosen from polyols of formula (XID), in which m is 1 and R',, R>, R'3, and R',, identical or different, denote, independently of one another, a hydrogen atom or a C; to C4 alkyl radical, and whose molecular weight is less than 200, and mixtures thereof. According to this particular embodiment, the polyol(s) are preferably chosen from 3-methyl-1,3,5-pentanetriol, 1,2,4-butanetriol, 1,5-pentanediol, 2-methyl-1,3-propanediol, 1,3-butanediol, 3-methyl-1,5-pentanediol, neopentyl glycol (2,2-dimethyl-1,3-propanediol), isoprene glycol (3-methyl-1,3-butanediol), hexylene glycol (2-methyl-2,4-pentanediol) and mixtures thereof, and more preferably from hexylene glycol, neopentyl glycol, 3-methyl-1,5-pentanediol and mixtures thereof. Preferably, the molecular weight (MW) of said polyol(s) present in the solid composition of the invention is between 50 and 350, more preferably between 60 and 200, and better still between 70 and 150. Preferably, the polyol(s) are chosen from diols, glycerin, and mixtures thereof, more preferably from compounds of formula (XII) in which R', R'3, R'3 and R'4, identical or different, independently of one another denote a hydrogen atom or a C1 to C4 alkyl radical, glycerin and mixtures thereof. Advantageously, the polyol(s) are chosen from glycerin, propylene glycol (propane-1,2-diol), pinacol (2,3-dimethyl 2,3-butanediol), 2,3-butanediol, polyethylene glycols, 1,5-pentanediol, 2-methyl-1,3-propanediol, 1,3-butanediol, 3-methyl-1,5-pentanediol, neopentyl glycol (2,2-dimethyl-1,3-propanediol), isoprene glycol (3-methyl-1,3-butanediol), hexylene glycol (2-methyl-2,4-pentanediol), dipropylene glycol, and mixtures thereof. Preferably, the polyol is glycerin, propylene glycol or dipropylene glycol, and mixtures thereof. Preferably, the composition according to the invention comprises one or more polyols. When they are present in the composition according to the invention, the total content of the polyol(s) preferably ranges from 0.1 to 15% by weight, more preferably from 0.5 to 10% by weight, and better still from | to 5% by weight, relative to the total weight of the composition. Carboxylic acid(s) The solid composition according to the present invention may optionally further comprise one or more C,5 carboxylic acids. The carboxylic acid(s) in C,5 preferably correspond to the following formula (Xa): 0 (Xa) The HO >» Oo 40 PS in which: A represents a monovalent group when n is 0, or a polyvalent group when n is greater than or equal to 1; A represents a saturated or unsaturated, cyclic or non-cyclic, aromatic or non-aromatic hydrocarbon group, comprising from | to 6 carbon atoms, optionally interrupted by one or more heteroatoms, and / or substituted by one or more hydroxy and / or amino groups; preferably A represents a monovalent C1-C5 alkyl group; or phenyl, or a polyvalent C1-C5 alkylene group or phenylene optionally substituted by one or more hydroxy groups; n represents an integer ranging from 0 to 10, preferably from 0 to 5, better still from 0 to 2. More particularly, the carboxylic acid or acids of formula (Xa) are chosen from α-hydroxy acids, in which A represents either a phenyl group, or a C1-C4 alkylene group, in particular C1,, substituted by one or more hydroxy groups; preferably by an OH group; and n ranges from 0 to 2. More particularly, the C4 carboxylic acid or acids is or are chosen from those of formula (Xa) in which: n=0 and A represents a C1-C5, in particular C2-C4, alkyl group, or a C1-C1, in particular C1-C1, alkyl group substituted by an OH group; or n=0 and A represents a phenyl group, or a phenyl group substituted by an OH group; or n= 1 or 2, and A represents a C1-C8, in particular C1-C4, di- or trivalent alkyl group, or a C1-C6, in particular C10, di- or trivalent alkyl group substituted by an OH group. Even more preferably, the C1-5 carboxylic acid or acids is or are chosen from salicylic acid, citric acid, glutaric acid and lactic acid, and better still it is citric acid. Preferably, the composition according to the invention comprises one or more C, 5 carboxylic acids. When they are present in the solid composition according to the invention, the total content of the C, -C, carboxylic acid(s) is preferably greater than or equal to 10% by weight, more preferably ranges from 10 to 30% by weight, better still from 11 to 25% by weight, and better still from 12 to 20% by weight, relative to the total weight of the composition. Anti-caking agent(s) The solid composition according to the invention may optionally also comprise one or more anti-caking agents. For the purposes of the present invention, the term “anticaking agent” means a lubricant acting as an anti-caking agent. The lubricant(s) that can be used are different from the cationic polymers defined above. Among the lubricants that can be used in the solid composition of the invention, mention may in particular be made of silica, in particular anhydrous colloidal silica, sericite, polyamide (Nylon®), poly-p-alanine and polyethylene powders, tetrafluoroethylene polymer powders (Teflon®), acrylate and dimethicone copolymers, stearic acid, metal soaps derived from organic carboxylic acids having from 8 to 22 carbon atoms, preferably from 12 to 18 carbon atoms, such as, for example, zinc, magnesium or lithium stearates, zinc laurate and magnesium myristate, alkali or alkaline earth metal carbonates, such as, for example, magnesium, sodium and calcium carbonates, fatty acids such as stearic acid, celluloses, in particular crystalline celluloses, and mixtures thereof. According to one embodiment, the anti-caking agent(s) are advantageously chosen from metallic soaps derived from organic carboxylic acids having from 8 to 22 carbon atoms, preferably from 12 to 18 carbon atoms, and mixtures thereof, better still from zinc stearate, magnesium stearate, lithium stearate, zinc laurate, magnesium myristate and mixtures thereof. More preferably, the lubricant is magnesium stearate. According to another embodiment, the anti-caking agent(s) are advantageously carefully chosen from alkali or alkaline earth metal carbonates and their mixtures, preferably from magnesium carbonate, sodium carbonate, calcium carbonate and their mixtures; and more preferably magnesium carbonate. Preferably, the composition according to the invention comprises one or more anti-clumping agents. The total content of the anti-caking agent(s) present in the solid composition according to the invention preferably ranges from 0.1 to 25% by weight, more preferably from 1 to 15% by weight, and better still from 5 to 10% by weight, relative to the total weight of the composition. The solid composition according to the invention may further comprise water. Preferably the water content is less than or equal to 20% by weight, preferably less than or equal to 15% by weight, better still less than or equal to 10% by weight, relative to the total weight of the composition. Preferably, the water content ranges from 0.1 to 20% by weight, more preferably from 1 to 15% by weight, and better still from 2 to 10% by weight, relative to the total weight of the composition. The solid composition according to the invention may further comprise sodium chloride. Its content may range from 0.01 to 5% by weight, more preferably from 0.1 to 3% by weight, and better still from 0.2 to 2% by weight, relative to the total weight of the composition. Preferably, the solid composition according to the invention further comprises one or more cationic polymers, preferably chosen from cationic polysaccharides and mixtures thereof, and / or one or more amphoteric surfactants, preferably chosen from alkyl(C;-C»p)betaines, alkyl(C;-C,p)amidoalkyl(C;-C; )betaines and mixtures thereof, and / or one or more C,5 carboxylic acids preferably corresponding to formula (Xa) as described above. The present invention also relates to a process for the cosmetic treatment, in particular for the care of keratin fibers, in particular human keratin fibers such as hair, comprising the application to said keratin fibers of a solid composition as defined above; the solid composition being applied directly to said keratin fibers or after having been previously moistened with water. The solid composition according to the invention can be applied to dry or wet keratin fibers, and preferably to wet keratin fibers. The solid composition, thus applied, can optionally be rinsed or not, after a possible exposure time which can range from 1 to 15 minutes, preferably from 2 to 10 minutes. Preferably, the solid composition is rinsed after application. According to a first embodiment of the invention, the solid composition is applied directly to the keratin fibers, that is to say without being previously moistened and / or disintegrated in water. When, according to this first embodiment, the solid composition of the invention is applied directly (i.e. without prior moistening or disintegration) to the dry keratin fibers, water may optionally be added to said fibers and then rubbed / massaged in order to solubilize said composition and form a liquid composition. The liquid composition thus obtained may then be rinsed after a possible exposure time. Conversely, the solid composition of the invention can also be applied directly (i.e. without prior moistening or disintegration) to the wet keratin fibers, then massaged / rubbed to disintegrate the particles and obtain a liquid composition. The liquid composition thus obtained can then be rinsed after a possible exposure time. According to another embodiment of the invention, the solid composition is previously moistened and / or disintegrated in water before being applied to the keratin fibers. According to this embodiment, a small amount (preferably ranging from 1 to 3 g) of solid composition is advantageously taken and solubilized with water, for example in the hand, so as to form a liquid composition. The liquid composition thus obtained can then be applied to the keratin fibers, dry or wet, before being optionally rinsed with water after a possible exposure time. The present invention further relates to the use of a solid composition as defined above for the cosmetic treatment, preferably the care, of keratin fibers, in particular human keratin fibers such as hair. The present invention also relates to a packaging article, preferably cosmetic, comprising: - an envelope defining at least one cavity, the envelope comprising one or more water-soluble and / or fat-soluble compounds, - a solid composition as defined above; it being understood that the solid composition is located in one of the cavities defined by the envelope. The term "cosmetic packaging article" means an article suitable for cosmetic use; in particular for use of the packaging article on keratin fibers, in particular hair and / or on the scalp. In particular, the packaging article makes it possible to condition keratin fibers, in particular human keratin fibers such as hair. Preferably, the packaging article according to the invention is water-soluble or li- posoluble at a temperature less than or equal to 35°C. Preferably, the envelope of the packaging article according to the invention is water-soluble at a temperature less than or equal to 35°C. By "water-soluble" is meant soluble in water, in particular at a rate of at least 10 grams per liter of water, preferably at least 20 g / l, better still at least 50 g / l, at a temperature less than or equal to 35°C. Thus, when water preferably having a temperature less than or equal to 35°C is added to the packaging article, the envelope will dissolve and release the solid composition present in one of the cavities of the envelope. By "fat-soluble" is meant soluble in a liquid fatty substance as defined below, in particular at a rate of at least 10 grams per liter of liquid fatty substance, in particular in a vegetable or mineral oil such as vaseline oil, preferably at least 20 g / l in a liquid fatty substance, better still at least 50 g / l in a fatty substance, at a temperature less than or equal to 35°C. The term “temperature less than or equal to 35°C” means a temperature not exceeding 35°C but greater than or equal to 0°C, for example ranging from more than 1 to 35°C, preferably from 5 to 30°C, more preferably from 10 to 30°C, and better still from 15 to 25°C. It is understood that all temperatures are given at atmospheric pressure (1 atm). The packaging article may comprise one or more cavities, at least one of which contains the solid composition as defined above. Preferably, the packaging article comprises only one cavity in which the solid composition is contained. The envelope of the packaging article comprises one or more water-soluble and / or fat-soluble compounds, preferably one or more water-soluble compounds advantageously chosen from water-soluble polymers and their mixtures. The water-soluble polymer(s) usable according to the present invention contain water-soluble units in their backbones. The water-soluble units are obtained from one or more water-soluble monomers. By "water-soluble monomer" is meant a monomer whose solubility in water is greater than or equal to 1%, preferably greater than or equal to 5% at 25°C and atmospheric pressure (760 mm Hg). Said water-soluble polymer(s) capable of forming the envelope are advantageously obtained from water-soluble monomers comprising at least one double bond. The latter may be chosen from cationic, anionic, non-ionic monomers and their mixtures. Examples of water-soluble monomers that can be used as precursors of water-soluble units, alone or in mixtures, include: following monomers which can be in free or salified form: - (meth)acrylic acid, - styrene sulfonic acid, - vinylsulfonic acid and (meth)allylsulfonic acid, - vinyl phosphonic acid, - N-vinylacetamide and N-methyl N-vinylacetamide, - N-vinylformamide and N-methyl N-vinylformamide, - N-vinyllactams containing a cyclic alkyl group having from 4 to 9 carbon atoms, such as N-vinylpyrrolidone, N-butyrolactam and N-vinylcaprolactam, - maleic anhydride, - itaconic acid, - vinyl alcohol of formula CH,=CHOH, - vinyl acetate of formula CH,=CHOC(O)CH, - vinyl ethers of formula CH;=CHOR in which R is a hydrocarbon radical, linear or branched, saturated or unsaturated, having from 1 to 6 carbon atoms, - dimethyldially] ammonium halides (chloride), - quaternized dimethylaminoethyl methacrylate (MADAME), - (meth)acrylamidopropyltrimethylammonium halides (chloride) (APTAC and MAPTAC), - methylvinylimidazolium halides (chloride), - 2-vinylpyridine and 4-vinylpyridine, - acrylonitrile, - glycidyl (meth)acrylate, - vinyl halides (chloride) and vinylidene chloride, - vinyl monomers of the following formula: H,C=C(R)-C(O)-X, in which: - R is chosen from H, (C,-C,)alkyl such as methyl, ethyl and propyl, and - X is chosen from: - alkoxy of the -OR” type where R' is a linear or branched, saturated or unsaturated hydrocarbon radical having from 1 to 6 carbons, optionally substituted by at least one halogen atom (iodine, bromine, chlorine, fluorine); a sulfonic group (-SOz), sulfate (SO; ), phosphate (-PO4H>); hydroxy (-OH); primary amine (-NHz); secondary amine (NHR£), tertiary (-NRçRy) or quaternary (-N+R&RyRs) with Rs, Ry and Rs being, independently of each other, a linear or branched, saturated or unsaturated hydrocarbon radical having 1 to 6 carbon atoms, provided that the sum of the carbon atoms of R° + Re + R7 + Rs does not exceed 6; - the groups -NHz, -NHR' and -NR'R” in which R' and R" are, independently of one another, linear or branched, saturated or unsaturated hydrocarbon radicals having 1 to 6 carbon atoms, provided that the total number of carbon atoms of R° +R" does not exceed 6, said R' and R° being optionally substituted by a halogen atom (iodine, bromine, chlorine, fluorine); a hydroxy (-OH); sulfonic (-SO;); sulfate (SO4); phosphate (-PO4H;); primary amine (-NH>); secondary (-NHR£), tertiary (NRçR,) and / or quaternary (-N+RçR7R3) amine with R5, Ry and R; being, independently of each other, a linear or branched, saturated or unsaturated hydrocarbon radical having 1 to 6 carbon atoms, provided that the sum of the carbon atoms of R° + R”' + R; + R7 + Rç does not exceed 6. Examples of compounds corresponding to this formula that may be mentioned are N,N-dimethylacrylamide and N,N-diethylacrylamide; and - and their mixtures. Examples of anionic monomers that may be mentioned include (meth)acrylic acid, acrylamido-2-methylpropanesulfonic acid, itaconic acid and their alkali metal, alkaline earth metal or ammonium salts or those derived from an organic amine such as alkanolamine. Non-ionic monomers include (meth)acrylamide, N-vinylformamide, N-vinylacetoamide and hydroxypropyl (meth)acrylate, vinyl alcohol of formula CH,=CHOH, and vinyl acetate of formula CH,=CHOC(O)CH,. The cationic monomers are preferably chosen from quaternary ammonium salts derived from a diallylamine, and those corresponding to the following formula: H,C=C(R,)-D-N+R,R;R4, X- in which: * R, represents a hydrogen atom or a methyl group, * Ro and R3, identical or different, represent a hydrogen atom or a linear or branched C to C alkyl group, * R, represents a hydrogen atom, a linear or branched C3 to C4 alkyl group or an aryl group, * D represents the following divalent motif: -(Ÿ),-(A)- in which: - Y represents an amide function, an ester (O0-C(O) or C(0)-O), a urethane or a urea, - A represents a linear or branched, cyclic or acyclic C, to C, alkylene group, which may be substituted or interrupted by a divalent aromatic or heteroaromatic group. The alkylene groups may be interrupted by an oxygen atom, a nitrogen atom, a sulfur atom or a phosphorus atom; the alkylene may be interrupted by a ketone function, an amide, an ester (OC(O) or C(O)-O), a urethane, or a urea, - is an integer ranging from 0 to 1, * X represents an anionic counterion, such as chloride or sulfate. Examples of water-soluble cationic monomers include the following compounds and their salts: dimethylaminoethyl (meth)acrylate, (meth)acryloyloxyethyltrimethylammonium (meth)acrylate, (meth)acryloyloxyethyldimethylbenzylammonium (meth)acrylate, N-[dimethylaminopropyl](meth)-acrylamide (meth)acrylate, (meth)acrylate (meth)acryl-amidopropyltrimethylammonium, (meth)acrylate (meth)acrylamido-propyldimethylbenzylammonium, dimethylaminohydroxypropyl (meth)acrylate, (meth)acrylate (meth)acryloyloxyhydroxypropyl-trimethylammonium, (meth)acryloyloxyhydroxypropyl-dimethylbenzylammonium (meth)acrylate and dimethyldiallylammonium (meth)acrylate. Among the water-soluble polymers that can be used according to the present invention, mention may also be made of polyhydroxyalkanoates (PHA), poly(hydroxybutyrate)(PHB), poly(hydroxyvalerate) (PHV), and mixtures thereof. Preferably, the water-soluble polymers are polymerized from one or more monomers chosen from vinyl alcohol of formula CH,=CHOH, vinyl acetate of formula CH;=CHOC(O)CH, and mixtures thereof. The water-soluble polymers capable of forming the envelope of the packaging article may also be chosen from water-soluble polymers derived from natural products, such as polysaccharides, i.e. polymers with sugar units. These water-soluble polymers are different from the cationic polysaccharide(s) that may be present in the solid composition. By "sugar unit" is meant a unit derived from a carbohydrate of formula C,(H2O),-1 or (CH:O), which may optionally be modified by substitution and / or by oxidation and / or by dehydration. The sugar units capable of entering into the composition of the polymers of the invention are preferably derived from the following sugars: glucose, galactose, arabinose, rhamnose, mannose, xylose, fucose, fructose, anhydrogalactose, galacturonic acid, glucuronic acid, mannuronic acid, galactose sulfate, anhydrogalactose sulfate. The polymers with sugar unit(s) according to the invention may be of natural or synthetic origin. They may be non-ionic, anionic, amphoteric or cationic. The basic units of the polymers with sugar unit of the invention may be mono- or disaccharides. The following native gums and their derivatives may be mentioned as polymers that can be used: (a) exudates from trees or shrubs including: - gum arabic (branched polymer of galactose, arabinose, rhamnose and glucuronic acid); - gum ghatti (polymer from arabinose, galactose, mannose, xylose and glucuronic acid); - karaya gum (polymer from galacturonic acid, galactose, rhamnose and glucuronic acid); - gum tragacanth (or tragacanth) (polymer of galacturonic acid, galactose, fucose, xylose and arabinose); b) gums derived from algae including: - agar (polymer derived from galactose and anhydrogalactose); - alginates (polymers of mannuronic acid and glucuronic acid); - carrageenans and furcellerans (polymers of galactose sulfate and anhydrogalactose sulfate); (c) gums from seeds or tubers of which: - guar gum (polymer of mannose and galactose); - carob gum (polymer of mannose and galactose); - fenugreek gum (polymer of mannose and galactose); - tamarind gum (polymer of galactose, xylose and glucose); - konjac gum (polymer of glucose and mannose) whose main constituent is glucomannan is a high molecular weight polysaccharide (500,000 < Men comannan < 2,000,000) composed of D-mannose and D-glucose units with a branching every 50 or 60 units approximately; (d) microbial gums including: - xanthan gum (polymer of glucose, mannose acetate, mannose / pyruvic acid and glucuronic acid); - gellan gum (polymer of partially acylated glucose, rhamnose and glucuronic acid); - scleroglucan gum (glucose polymer); - biosaccharide gum (polymer of galacturonic acid, fucose and D-galactose), e) plant extracts including: - cellulose (polymer of glucose); - starch (glucose polymer) natural or modified (aluminium starch octenyl-succinate, hydroxypropyl starch phosphates); - inulin (polymer of fructose and glucose). These polymers can be modified physically or chemically. Physical treatments include temperature. Chemical treatments include esterification, etherification, amidation, and oxidation reactions. These treatments produce polymers that can be non-ionic, anionic, cationic or amphoteric. Preferably, these chemical or physical treatments are applied to guar gums, locust bean gums, starches and celluloses. The non-ionic guar gums that can be used according to the invention can be modified by C to C4 hydroxyalkyl groups. Among the hydroxyalkyl groups, mention may be made of hydroxymethyl, hydroxyethyl, hydroxypropyl and hydroxybutyl groups. These guar gums are well known in the state of the art and can for example be prepared by reacting corresponding alkene oxides such as for example propylene oxides with guar gum, so as to obtain a guar gum modified by hydroxypropyl groups. The hydroxyalkylation rate preferably varies from 0.4 to 1.2 and corresponds to the number of alkylene oxide molecules consumed by the number of free hydroxyl functions present on the guar gum. Such non-ionic guar gums, possibly modified by hydroxyalkyl groups, are for example sold under the trade names JAGUAR HP8, JAGUAR HP60 and JAGUAR HP120 by the company RHODIA CHIMIE. The guar gums modified by cationic groups which can be used more particularly according to the invention are guar gums comprising cationic trialkylammonium groups. Preferably, 2 to 30% by number of the hydroxyl functions of these guar gums carry cationic trialkylammonium groups. Even more preferably, 5 to 20% of the number of hydroxyl functions of these guar gums are connected by cationic trialkylammonium groups. Among these trialkylammonium groups, mention may in particular be made of trimethylammonium and triethylammonium groups. Even more preferably, these groups represent from 5 to 20% by weight relative to the total weight of the modified guar gum. According to the invention, guar gums modified with 2,3-epoxypropyl trimethylammonium chloride can be used. These guar gums modified by cationic groups are products already known in themselves and are for example described in US patents 3,589,578 and US 4,0131,307. Such products are also sold in particular under the trade names JAGUAR C13 S, JAGUAR C 15, JAGUAR C 17 by the company RHODIA CHIMIE. As modified locust bean gum, cationic locust bean gum containing hydroxypropyltrimmonium groups such as Catinal CLB 200 offered by TOHO can be used. The starch molecules that can be used in the envelope of the packaging article according to the present invention are the same as those described above for the solid composition. Preferably, starches of formulas (VIIa) or (VIIIa) will be used in particular; and preferably starches modified by acid 2-chloroethylaminodipropionic, i.e. starches of formula (VIIa) or (VIIa) in which R, R', R” and M represent a hydrogen atom and n is equal to 2. Preferably, the amphoteric starch is a starch chloroethylamido dipropionate. Celluloses and cellulose derivatives can be anionic, cationic, amphoteric or non-ionic. Among these derivatives, we distinguish cellulose ethers, cellulose esters and cellulose ether esters. Cellulose esters include inorganic cellulose esters (cellulose nitrates, sulfates, or phosphates), organic cellulose esters (cellulose monoacetates, triacetates, amidopropionates, acetatebutyrates, acetatepropionates, or acetatetrimellitates), and mixed organic / inorganic cellulose esters such as cellulose acetatebutyrate sulfates and acetatepropionate sulfates. Examples of cellulose ether esters include hydroxypropyl methylcellulose phthalates and ethylcellulose sulfates. Examples of non-ionic cellulose ethers include alkylcelluloses such as methylcelluloses and ethylcelluloses (e.g., Ethocel Standard 100 Premium from DOW CHEMICAL); hydroxyalkylcelluloses such as hydroxymethylcelluloses, hydroxyethylcelluloses (e.g., Natrosol 250 HHR offered by AQUALON) and hydroxypropylcelluloses (e.g., Klucel EF from AQUALON); mixed hydroxyalkyl-alkylcelluloses such as hydroxypropylmethylcelluloses (e.g., Methocel E4M from DOW CHEMICAL), hydroxyethylmethylcelluloses, hydroxyethylethylcelluloses (e.g., Bermocoll E 481 FQ from AKZO NOBEL) and hydroxybutylmethylcelluloses. Anionic cellulose ethers include carboxyalkylcelluloses and their salts. Examples include carboxymethylcelluloses, carboxymethylmethylcelluloses (e.g., Blanose 7M from AQUALON) and carboxymethylhydroxyethylcelluloses, as well as their sodium salts. Among the cationic cellulose ethers, mention may be made of quaternized hydroxyethylcelluloses, crosslinked or not. The quaternizing agent may be diallyldimethylammonium chloride (for example, Celquat L200 from NATIONAL STARCH). Another cationic cellulose ether, mention may be made of hydroxyethylcellulose hydroxypropyltrimethylammonium (for example, Ucare polymer JR 400 from AMERCHOL). Among the associative polymers with sugar unit(s), mention may be made of celluloses or their derivatives, modified by groups comprising at least one fatty chain such as alkyl, arylalkyl, alkylaryl groups or their mixtures where the alkyl groups are C8-C22; non-ionic alkylhydroxyethylcelluloses such as the products NATROSOL PLUS GRADE 330 CS and POLYSURF 67 (Cy6 alkyl) sold by the company AQUALON; quaternized (cationic) alkylhydroxyethylcelluloses such as the products QUATRISOFT LM 200, QUATRISOFT LM-X 529-18-A, QUATRISOFT LM-X 529-18-B (C12 alkyl) and QUATRISOFT LM-X 529-8 (Cy; alkyl) sold by the company AMERCHOL, the products CRODACEL QM, CRODACEL QL (C;2 alkyl) and CRODACEL QS (C;5 alkyl) sold by the company CRODA and the product SOFTCAT SL 100 sold by the company AMERCHOL; non-ionic nonoxynylhydroxyethylcelluloses such as the product AMERCELL HM-1500 sold by the company AMERCHOL;non-ionic alkylcelluloses such as the product BERMOCOLL EHM 100 sold by the company BEROL NOBEL.; As polymers with sugar unit(s) derived from associative guar, mention may be made of hydroxypropyl guars modified by a fatty chain such as the product ESAFLOR HM 22 (modified by a C2 alkyl chain) sold by the company LAMBERTI; the product MIRACARE XC 95-3 (modified by a C,4 alkyl chain) and the product RE 205-146 (modified by a C-0 alkyl chain) sold by RHODIA CHIMIE. The water-soluble polymer(s) with sugar unit(s) that can be used to form the envelope of the packaging article are preferably chosen from guar gums, carob gums, xanthan gums, starches and celluloses, in their modified (derivatives) or unmodified form. Preferably, said polymer(s) with sugar unit(s) are non-ionic. The water-soluble polymers described above more particularly have a weight average molecular weight (Mw) greater than 1,000,000 and preferably between 1,000,000 and 50,000,000. The molecular weight is determined by the RSV (Reduced Specific Viscocity) method as defined in "Principles of Polymer Chemistry" Cornell University Press, Ithaca, NY 1953 Chapter VII "Determination of molecular Weight" pp 266-316. The water-soluble or liposoluble compound(s) capable of forming the envelope of the packaging article according to the invention may be in the form of fibers or film. According to a first embodiment, the water-soluble or fat-soluble compound(s) are in the form of fibers. By "fiber" is meant any object whose length is greater than its cross-section. In other words, it is necessary to understand an object of length L and diameter D such that L is greater and preferably much greater (i.e. at least 3 times greater) than D, D being the diameter of the circle in which the cross-section of the fiber. In particular, the L / D ratio (or form factor) is chosen in the range from 3.5 to 2500, preferably from 5 to 500, and better still from 5 to 150. The section of a fiber can be of any shape, round, serrated or grooved, or even bean-shaped, but also multilobed, in particular trilobed or pentalobed, X-shaped, ribbon-shaped, square, triangular, elliptical, or other. The fibers of the invention can be hollow or non-hollow. According to this embodiment, the fibers can be spun, carded or twisted. Advantageously, the fibers used in the context of the present invention are spun. The average diameter of the fibers used according to the present invention, identical or different, is less than 500 μm. Advantageously, such a diameter is less than 200 μm, preferably less than 100 μm, or even less than 50 μm. Mention may more particularly be made of water-soluble fibers which include fibers based on poly(vinyl alcohol) (PVA), polysaccharide fibers such as glucomannans, starches, celluloses such as carboxymethylcelluloses, polyalginic acid fibers, polylactic acid fibers, and polyalkyleneoxide fibers, as well as mixtures thereof. More preferably, the water-soluble fiber(s) used in the invention are chosen from PVA-based fibers. The fibers of the envelope are generally entangled. The term "envelope comprising water-soluble fibers" means an envelope which may be entirely made of water-soluble fibers which may comprise both water-soluble fibers and fibers insoluble in water at a temperature of 35°C or less, the soluble fibers having to be in greater quantity than the insoluble fibers. The fiber envelope must comprise at least 60% by weight of soluble fibers, preferably at least 70% and better still at least 80% by weight relative to the total weight of the fibers. It may thus comprise, for example, more than 95% by weight, or even more than 99% by weight and even 100% by weight of water-soluble fibers relative to the total weight of the fibers of the envelope. When the envelope contains insoluble fibers, these may be made of any material normally used as insoluble fibers; for example, these may be fibers of silk, cotton, wool, linen, polyamide (Nylon®), polylactic acid, modified cellulose (rayon, viscose, rayon acetate), poly-p-phenylene terephthalamide, in particular Kevlar®, polyolefin, in particular polyethylene or polypropylene, glass, silica, aramid, carbon, in particular in graphite form, Teflon®, insoluble collagen, polyesters, polyvinyl chloride or vinylidene chloride, polyethylene terephthalate, fibers formed from a mixture of the compounds mentioned above, such as polyamide / polyester or viscose / polyester fibers. Furthermore, when the envelope contains fibers, it can be woven or non-woven. According to a first variant of the invention, the envelope can be woven. In the context of the present invention, a "woven" material results from an organized assembly of fibers, in particular water-soluble polymeric fibers, and more particularly from an interweaving, in the same plane, of said fibers, arranged in the direction of the warp and of fibers arranged, perpendicular to the warp fibers, in the direction of the weft. The bond obtained between these warp and weft fibers is defined by an armor. Such woven material results from an operation aimed at assembling the fibers in an organized manner such as weaving itself, but can also result from knitting. According to another variant of the invention, the envelope is non-woven. For the purposes of the present invention, the term "nonwoven" means a substrate comprising fibers, in particular water-soluble polymeric fibers, in which the individual fibers are arranged in a disorderly manner in a web-like structure and which are neither woven nor knitted. The fibers of the nonwoven are generally bonded together, either under the effect of mechanical action (for example needling, air jet, water jet), or under the effect of thermal action, or by the addition of a binder. Such a nonwoven is for example defined by the ISO 9092 standard as a web or sheet of directionally or randomly oriented fibres, bound by friction and / or cohesion and / or adhesion, excluding paper and products obtained by weaving, knitting, tufting or sewing incorporating binding yarns or filaments. A nonwoven fabric differs from paper in the length of the fibers used. In paper, the fibers are shorter. However, there are nonwoven fabrics made from cellulose fibers that are manufactured wet and have short fibers like those in paper. The difference between a nonwoven fabric and paper is generally the absence of hydrogen bonding between the fibers in a nonwoven fabric. Very preferably, the fibers used in the context of the present invention are chosen from synthetic fibers such as PVA fibers. In particular, the envelope is non-woven, and preferably made of non-woven PVA fibers. To produce the non-woven envelope of the packaging article, PVA fibers are preferably used that are soluble in water at a temperature of less than or equal to 35°C, such as, for example, the fibers sold by the Japanese company Kuraray under the name KURALON KI], and particularly the WN2 grade, soluble from 20°C. These fibers are described in document EP-A-636716, which teaches the manufacture of PVA fibers that are soluble in water at temperatures not exceeding 100°C, by spinning and stretching the polyvinyl alcohol polymer in the dry or wet state in the presence of solvents involved in the solubilization and solidification of the fiber. The fiber thus obtained can lead to the production of woven or non-woven substrates. These fibers can also be prepared from a spinning solution by dissolving a water-soluble PVA-based polymer in a first organic solvent, spinning the solution in a second organic solvent to obtain solidified filaments and wet-drawing the filaments from which the first solvent is removed, then dried and subjected to a heat treatment. The cross-section of these fibers can be substantially circular. These fibers have a tensile strength of at least 2.7 g / dtex (3 g / d). Application EP-A-0 636 716 describes such water-soluble PVA-based fibers and their method of manufacture.For example, the fibers can also be formed by extrusion and deposited on a conveyor to form a fiber web which is then consolidated by a conventional fiber bonding technique, such as for example needling, hot bonding, calendering or air-through bonding, a technique in which the water-soluble web passes through a tunnel where hot air is blown, or hydrobonding aimed at bonding the fibers under the action of fine jets of water under very high pressure, which cannot be applied to fibers whose dissolution temperature is too low. As we have seen previously, the invention is not limited to the use of PVA, and it is also possible to use fibers made from other water-soluble materials provided that these materials dissolve in water having the desired temperature, for example polysaccharide fibers marketed under the name LYSORB by the company LYSAC TECHNOLOGIES, INC or other fibers based on polysaccharide polymers such as glucomannans or starch. The casing may include a mixture of different fibers soluble in water at different temperatures (up to 35°C). The fibers can be composite, and they can have, for example, a core and a sheath that are not of the same nature, for example formed from different grades of PVA. According to a particular embodiment of the invention, the envelope is a non-woven fabric, comprising water-soluble fibers, alone or mixed with insoluble fibers as indicated above, with at most 40% by weight of insoluble fibers relative to the total weight of the fibers constituting the sheet. Preferably, the non-woven fabric consists essentially of water-soluble fibers, that is to say that it does not contain insoluble fibers. According to another embodiment of the invention, the envelope of the packaging article may consist of one or more films, each of which comprises one or more water-soluble and / or liposoluble compounds, in particular as defined above. When the envelope consists of several films, said films may be assembled, for example glued together, in order to form only one unitary film. The thickness of the "overall" film (i.e. the thickness of the single film when the envelope contains only one or the unit film when the envelope contains several films) is advantageously between 10 and 1000 microns, preferably between 10 and 800 microns, and more preferably between 15-500 microns. Film is understood to mean in particular a continuous layer preferably formed from one or more water-soluble and / or liposoluble compounds as defined above, in particular polymer(s). The main industrial methods for producing polymer films are extrusion of a molten polymer, casting a polymer solution onto a polished metal surface (in some cases, the polymer solution is introduced into a precipitation tank), casting a polymer dispersion onto a polished surface and calendering. The films usable according to the present invention can be chosen from film-multilayer film, film-paper (coating) and film-coating. When applied by spraying, brushing or various industrial processes, surface coatings undergo what is known as film formation, and in particular film-coating. In most film-forming processes, a relatively low-viscosity liquid coating is applied to a solid substrate and cured into a solid, adherent film based on a high-molecular-weight polymer with the properties desired by the user. The films that can be used according to the present invention are in particular PVA films that can be manufactured using any industrial production method, such as a method of casting a PVA-based polymer solution, an extrusion method in the presence or absence of water, a dry extrusion molding method or a biaxial orientation method. The packaging article, as well as the envelope, may have any shape suitable for the intended use, for example a rectangular, round or oval shape. Preferably, it has a rounded geometry, for example in the form of a sphere, disc, or oval, or else square or parallelepiped, preferably with rounded corners. The envelope preferably has dimensions allowing it to be grasped between at least two fingers. Thus, it may have, for example, an ovoid shape of approximately 2 to 10 cm in length and approximately 0.5 to 4 cm in width, or a circular disc shape of approximately 2 to 10 cm in diameter, or a square shape of approximately 2 to 15 cm on each side, or a rectangle shape of approximately 2 to 25 cm in length, it being understood that it may have any other shape and dimension suitable for the intended use. Preferably, the envelope may be round in shape with an internal diameter ranging from 3 to 7 cm, more preferably from 4 to 5 cm; to which may be added the dimension of the edges (sealed part) which may range from 1 to 5 mm, better still from 2 to 4 mm; and a height ranging from 2 to 7mm, preferably from 3 to 5mm. The envelope may also be square or rectangular in shape with a length preferably ranging from 2 to 6 cm, more preferably from 3 to 5 cm, and a width preferably ranging from 2 to 5 cm, more preferably 2.5 to 4 cm; to which may be added the dimension of the edges (sealed part) which may preferably range from 1 to 5 mm, and more preferably from 2 to 4 mm. Advantageously, the envelope has a low thickness, and can be made up of several layers of different materials. Preferably, the thickness of the envelope ranges from 3 to 99.9% of its other dimensions. The envelope is thus substantially flat, with thin edges. The surface delimiting the cavity or cavities has an extent advantageously less than 625 cm?, preferably between 0.025 cm? and 400 cm?, more preferably between 1 and 200 cm?, better still between 2 and 50 cm?, and even better still between 4 and 25 cm, in order to have an optimized compaction of the composition. It has been observed that when the surface of the article is in the above ranges, the compaction of the solid composition into powder is lower and the transformation of the powder into a fluid composition in the hands is done more easily, without the formation of agglomerates. Preferably, the height of the envelope is greater than or equal to 2 mm, more preferably from 2 to 10 mm, and better still from 3 to 7 mm. Preferably, the film(s) used in the context of the present invention are chosen from synthetic films, such as PVA films, as well as their mixtures. Preferably, the envelope consists of several layers, for example, 2 or 3 layers, of films each preferably made of different materials. Advantageously, at least one of these films is a film comprising or consisting of PVA. Preferably, the film(s) are sealed to form one or more cavities that will comprise the solid composition of the invention and prevent it from escaping. Advantageously, the envelope represents from 0.5 to 20% by weight, preferably from 1 to 15% by weight, more preferably from 2 to 10% by weight, better still from 4 to 10% by weight, and better still from 4 to 8% by weight, relative to the total weight of the packaging article. Advantageously, the solid composition as defined below represents from 80 to 99.5% by weight, preferably from 85 to 99% by weight, more preferably from 90 to 98% by weight, better still from 90 to 96% by weight, and better still from 92 to 96% by weight, relative to the total weight of the packaging article. The weight ratio between the total weight of the solid composition of the invention and the total weight of the envelope advantageously ranges from 80 / 20 to 99 / 1, preferably from 85 / 15 to 98 / 2, and more preferably from 90 / 10 to 97 / 3. Advantageously, the packaging article comprises from 1 to 8g, preferably from 2 to 6g of solid composition; and from 0.1 to 1g, preferably from 0.2 to 0.7g of envelope. The present invention further relates to a method for the cosmetic treatment of keratin fibers, in particular human keratin fibers such as hair, comprising a step of using a packaging article as defined above, preferably, said cosmetic treatment method comprises the following steps: 1) mixing the packaging article in a composition capable of dissolving, in whole or in part, the envelope of said packaging article, 11) apply the composition obtained in step 1) to the keratin fibers, iii) possibly leave to stand, iv) rinsing said keratin fibers, and v) optionally drying said keratin fibers. It is understood that the composition capable of solubilizing the envelope depends on the nature of the envelope. In other words, the composition capable of solubilizing the envelope is water or an aqueous composition, when the packaging article contains mainly or only a hydrophilic envelope. And, the composition capable of solubilizing the envelope is an organic anhydrous composition or an aqueous composition comprising at least one liquid fatty substance or at least one organic solvent different from the liquid fatty substances such as lower monoalcohols, for example ethanol, or such as polyols, for example propylene glycol or glycerin, when the packaging article contains mainly or only a lipophilic envelope. Thus, the aqueous composition may simply be water. The aqueous composition may optionally comprise at least one polar solvent. Among the polar solvents that can be used in this composition, mention may be made of organic compounds that are liquid at room temperature (25°C) and at least partially miscible with water. By way of example, mention may be made more particularly of alcohols such as ethyl alcohol, isopropyl alcohol, aromatic alcohols such as benzyl alcohol, and phenylethyl alcohol, or polyols or polyol ethers such as, for example, monomethyl, monoethyl and monobutyl ethers of ethylene glycol, propylene glycol or its ethers such as, for example, monomethyl ether of propylene glycol, butylene glycol, dipropylene glycol as well as alkyl ethers of diethylene glycol such as, for example, monoethyl ether or monobutyl ether of diethylene glycol. More particularly, if one or more solvents are present, their respective content in the aqueous composition varies from 0.5 to 20% by weight, and preferably from 2 to 10%. by weight, relative to the weight of said aqueous composition. The dilution ratio (expressed by weight) between one or more packaging articles, as defined above, and the composition capable of solubilizing the packaging article(s) is preferably between 10 / 90 and 90 / 10, and more preferably between 10 / 90 and 50 / 50. Better still, this dilution ratio is 20 / 80. In particular, the composition obtained at the end of the mixing (step i) of the process) can be applied to dry or wet keratin fibers. It is advantageously left to apply on the keratin fibers for a period ranging from 1 to 15 minutes, preferably from 2 to 10 minutes. Then, the keratin fibers are rinsed with water. They can optionally be washed with shampoo, followed by rinsing with water, before being dried or left to dry. The present invention further relates to the use of a packaging article as defined above for the cosmetic treatment, more particularly the care, of keratin fibers, in particular human keratin fibers such as hair. The following examples serve to illustrate the invention without, however, being limiting in nature. Examples In the following examples, all quantities are given, unless otherwise indicated, as a percentage by mass of active ingredient (%MA) relative to the total weight of the composition. Example 1 Compositions A (comparative) and B (according to the invention) were prepared from the ingredients whose contents are indicated in the table below (% MA): [Tables 1] (Composition A Composition B (comparative) (invention) 0.7 0.7 24 24 0.2 2.2 |as 100 0.5 22 |Water 7.4 7.4 The powdered ingredients (corn starch, starch phosphate, citric acid, magnesium carbonate, sodium bicarbonate) were mixed under stirring in a tank. The liquid ingredients (except the perfume) were heated to 40°C. These ingredients were added as a binder to the tank by spraying and mixed. Finally, the perfume was added by spraying and mixed. The whole was then dried in an oven at 45°C for 20 hours. After cooling to room temperature, the mixture was ground using a grinder to obtain a powder. The 2 compositions gave a fairly loose powder formula (with a slope angle of 30°) with a particle size before grinding X50%=286um and after grinding X50%=216ym; the composition according to the invention had a density of 0.48 and water activity 0.628 (after drying). In accordance with the present invention, the angle of repose represents the characteristic angle of a powder pile obtained by mechanically pouring the powder from a funnel and is an indication of the flowability of a powder. As a guide, a clogging powder having a difficult flow has an angle of repose greater than 55°, Compositions A (comparative) and B (according to the invention) thus prepared are packaged in powder form in a water-soluble sachet based on PV A. The packaging article thus obtained can then be used as a care composition: it is placed in the palm of the hand, water is added to it in order to solubilize it and form a cream, then it is applied to the hair, preferably previously moistened. Composition B (including non-silicone fatty substances) provides better detangling performance on both wet and dry hair, with a natural feel, compared to comparative composition A. In addition, composition B provides greater flexibility and a smoother feel when rinsing compared to composition A.

Claims

Claims

1. Solid composition comprising: 1) one or more cationic surfactants, (ii) one or more starches, 1li) one or more silicones, and iv) one or more non-silicone fatty substances.

2. Solid composition according to claim !, characterized in that the cationic surfactant(s) 1) is or are chosen from: quaternary ammonium salts of formula (Ia): Ban * (ia) RI er s Bi LS in which: the groups Rs; to R,,, identical or different, represent an alkaline group- linear or branched phatic, containing 1 to 30 carbon atoms, or an aromatic group such as aryl or alkylaryl, at least one of groups R; to R,, containing from 8 to 30 carbon atoms, preferably from 12 to 24 carbon atoms; aliphatic groups can contain heteroatoms such as oxygen, nitrogen, sulfur and halogens; and X- is an anion; the quaternary ammonium salts of imidazoline of formula (Ila): [pe ei Ba * dla Pan 00H; NP) —CO-—Re La ; td R 14 in which: Ry2 represents an alkenyl or alkyl group containing from 8 to 30 carbon atoms, Ry3 represents a hydrogen atom, a C1-C4 alkyl group or a alkenyl or alkyl group containing 8 to 30 carbon atoms, R,4 represents a C,-C4 alkyl group, Rys represents a hydrogen atom or a C1-C4 alkyl group, X- is an anion; quaternary di- or triammonium salts of formula (ITTa): 7 a. np 1# Tr Te 2x" [as CS {Hla) + 000RE3 € “224 to Ï Ï NH Re | has * Ra Ra ki in which: - Ry6 denotes an alkyl group containing from 16 to 30 carbon atoms, optionally hydroxylated and / or optionally interrupted by one or more oxygen atoms, - R,7 denotes hydrogen, an alkyl group containing from | to 4 carbon atoms or a group -(CHz);-N#(R163)(R17, Rita); Ri6as R172s Ra8as, identical or different, denoting hydrogen or an alkyl group containing from 1 to 4 carbon atoms, - Ras, R19, Rap and Rz1, identical or different, denote hydrogen or an alkyl group containing 1 to 4 carbon atoms, and - X- is an anion; quaternary ammonium salts containing one or more ester functions of the following formula (IVa): (the OL Ps $ x {var ä | A OO =CHAOH:}—NEÉ CHA OH "Oh ] Bar in which: - Ra is chosen from C,-Cc alkyl groups and C,-C hydroxyalkyl or dihydroxyalkyl groups, - Ra; is chosen from the group Ras-C(=O)-; the linear or branched, saturated or unsaturated C,-C, hydrocarbon Ray groups; and the hydrogen atom, - Ras is chosen from the group Ra3-C(=O)-; the linear or branched, saturated or unsaturated C,-C, hydrocarbon Ra groups; and the hydrogen atom, - Ras, Ras and Ras, identical or different, are chosen from C,-C, hydrocarbon groups, linear or branched, saturated or unsaturated, -r, and t, identical or different, are integers worth from 2 to 6, -rl and t], identical or different, are worth 0 or 1, - y is an integer ranging from 1 to 10, - x and z, identical or different, are integers ranging from 0 to 10, - X- is an anion, given that r2 + rl = 2rettl + t2 = 2t, and that the sum x + y + 2z is worth from 1 to 15, provided that when x = 0 then R»; denotes R» and that when z = 0 then Rs denotes Rs, amidoamines comprising at least one hydrocarbon chain in C6-C30, preferably corresponding to the following formula (Va): RCONHR''N(R')(Va) in which: - R represents a linear or branched monovalent hydrocarbon radical, saturated or unsaturated and substituted or unsubstituted, having from 5 to 29 atoms of carbon, preferably of 7 to 23 carbon atoms, and in particular a Cs-C, alkyl radical, preferably C,-C,;, linear or branched, or a linear Cs-Cs alkenyl radical, preferably C,-C;; branched; - R°' represents a divalent hydrocarbon radical having less than 6 carbon atoms, preferably 2 to 4 carbon atoms, better, 3 carbon atoms; and - R°, identical or different, represent a mo- hydrocarbon radical novalent having less than 6 carbon atoms, preferably from 1 to 4 carbon atoms, linear or branched, saturated or unsaturated and substituted or unsubstituted, preferably a methyl radical. |Claim 3] Solid composition according to claim ! or 2, characterized in that the cationic surfactant(s) 1) is or are chosen from salts of cetyltrimethylammonium, behenyltrimethylammonium, dipalmi- toylethylhydroxyethylmethylammonium, oleamidopropyl dime- thylamine, behenamidopropyl dimethylamine, stearamidopropyl di- methylamine, brassicamidopropyl dimethylamine and mixtures thereof; and more particularly among the chloride or methosulfate of behe- nyltrimethylammonium, cetyltrimethyl chloride or methosulfate ammonium, chloride or dipalmitoylethylhy- methosulfate droxyethylmethylammonium, oleamidopropyl dimethylamine, behe- namidopropyl dimethylamine, stearamidopropyl dimethylamine, brassicamidopropyl dimethylamine and mixtures thereof.

4. A solid composition according to any one of the preceding claims- preceding, characterized in that the total content of the surfactant(s) cationic i) ranges from 0.01 to 15% by weight, preferably from 0.1 to 10% by weight weight, preferably from 0.5 to 8% by weight, and better from 1 to 5% by weight, relative to the total weight of the composition.

5. A solid composition according to any one of the preceding claims- preceding, characterized in that the starch(es) 1i) are chosen from corn starches, potato starches, rice starches and modified starches, particularly phosphated starches such as phosphates of distarch, and mixtures thereof.

6. A solid composition according to any one of the preceding claims- preceding, characterized in that it comprises at least one non-starch modified as corn starch, potato starch, or a rice starch and at least one modified starch, and more particu- mainly among phosphated starches.

7. A solid composition according to any one of the preceding claims- preceding, characterized in that the total content of the starch(es) ii) will from 10 to 90% by weight, preferably from 20 to 85% by weight, preferably- primarily from 30 to 80% by weight, and better still from 40 to 75% by weight, by relative to the total weight of the composition.

8. A solid composition according to any one of the preceding claims- preceding, characterized in that the silicone(s) iii) are chosen among amino silicones, preferably among: (a) polysiloxanes corresponding to the formula (A): Or (CH, —8Si-—0HH (A) ko- —si-—0+ CH, (Gt, |x NH (OH, NH y in which x' and y' are integers such that the mo- average weight (Mw) lecular is between 5,000 and 500,000 approximately ; b) amino silicones corresponding to formula (B): R'.G,,-Si(0SiG"),-(OSIG,R'>1)nO-SiG1,-R', (B) in which: - G, identical or different, denotes a hydrogen atom, a phenyl, OH, C1-C2 alkyl group, for example methyl, or C1-C2 alkoxy, e.g. methoxy, - a, identical or different, denotes Ô or an integer from 1 to 3, in particular 0, - b denotes 0 or |, in particular 1, - and n are numbers such that the sum (n + m) varies from ! to 2000, in particular from 50 to 150, n being able to designate a number from 0 to 1999, and in particular from 49 to 149 and m being able to designate a number from 1 to 2000, and in particular from 1 to 10; -R°, identical or different, denotes a monovalent radical of formula - C,Hz,L in which q is a number ranging from 2 to 8, and L is an optionally quaternized amino group chosen from the groups: -N(R 2 -N(R); A" ; -NR-QN(R")a and -NR"-QN°(R)3 A, in which R”, identical or different, denotes hydrogen, phenyl, benzyl, or a monovalent saturated hydrocarbon radical, for example a C,-C20 alkyl radical; Q denotes a group of formula C,H,,, linear or branched, r being an integer ranging from 2 to 6, preferably from 2 to 4; and A- represents a cosmetically acceptable anion, in particular halide such as fluoride, chloride, bromide or iodide. [Claim Solid composition according to the preceding claim, characterized in that the silicone(s) iii) are chosen from amino silicones of formula (B), preferably from: A / silicones called “trimethylsilylamodimethicone” corresponding to the formula (C): CR, CH, CH, | —S— — — 8. — HOSiCH, (CH) St o—s os OSILCHJ, k 3 | ï ; CH, (CH: of the NH (C3 (CB NH, _|m in which m and n are numbers such that the sum (n + m) varies from 1 to 2000, in particular from 50 to 150, n being able to designate a number from 0 to 1999, and in particular from 49 to 149 and m being able to designate a number from 1 to 2000, and in particular from 1 to 10, B / silicones of the following formula (D): Ch, Ci H RH Ra ch > 2 | $ a {D} 1} 1 ! R—$—5-s8—- —os- —0—GR, | 1 Larints To (GR © A Ca, CH LL CE AJ, NH (GR NES Um in which: - and n are numbers such that the sum (n + m) varies from ! to 1000, in particular from 50 to 250 and more particularly from 100 to 200; n being able to designate a number from 0 to 999 and in particular from 49 to 249 and more particularly from 125 to 175 and m being able to designate a number from 1 to 1000, in particular from 1 to 10, more particularly from 1 to 5; - R,, Ra, Rs, identical or different, represent a C,-C, hydroxy or alkoxy radical, at least one of the radicals R, to R3 designating an alkoxy radical, C / the following silicones of formula (E): CH, 1% CR, | “| 17 | SH: [- {dr R—$—-o—s— —0—s- T The T has | (E} 1 dt (HIS 2a | (Flzhs ch, ses GE CH, L ds MH L (HD, NH — I in which: - pet q are numbers such that the sum ({p+q) varies from 1 to 1000, in particular from 50 to 350, and more particularly from 150 to 250; p being able to designate a number from 0 to 999 and in particular from 49 to 349 and more particularly from 159 to 239 and q being able to designate a number from 1 to 1000, in particular from 1 to 10 and more particularly from 1 to 5; - R,, Ra, different, represent a hydroxy or alkoxy radical in C,-C4, at least one of the radicals R, or R denoting an alkoxy radical, D / the silicones of the following formula (F): CH, CH Ch, CB, | Ho—s—o—8— —o—si— —0—8—where A i | Lans A CH CH Ch, | LR Ju 3 d°h NH d, (F} (Ha NE 1m in which: - and n are numbers such that the sum (n + m) varies from ! to 2000 and in particular from 50 to 150, n being able to designate a number from 0 to 1999 and in particular from 49 to 149 and m being able to designate a number from 1 to 2000, and in particular from 1 to 10: - A denotes a linear or branched alkylene radical having from 4 to 8 carbon atoms and preferably 4 carbon atoms, F / silicones of the following formula (G): 1 Ch, C5, —O—SI—CH, He—s—o—s—- —o—s— HAS 1 1 Las To “of CH, J sc, 16) CH, || NH —h equal, NH. nR in which: - and n are numbers such that the sum (n + m) varies from 1 to 2000 and in particular from 50 to 150, n being able to designate a number from 0 to 1999 and in particular from 49 to 149 and m being able to designate a number from 1 to 2000, and in particular from 1 to 10: - A denotes a linear or branched alkylene radical having from 4 to 8 carbon atoms and preferably 4 carbon atoms, (g) alpha, omega-bis-amino silicones corresponding to the following formula (K): RRR mi i ; j Raä To: Srefgoedertépen gen race » rte ose ç "rs br x ÿ RRR in which: - the radicals R, independently of each other, represent a hydrogen atom, an OH group or an alkyl group, linear or branched, in C,-C,, - the radicals R1, R2, R3 and R4, independently of each other, re- have a hydrogen atom, a C,-C alkyl group; or a C1-C5 aminoalkyl group; - x is between 0 and 6; y is between 0 and 6, and - is such that the molecular mass by weight (Mw) of the amino silicone is between 5,000 and 200,000 g / mol.

10. | Solid composition according to any one of the preceding claims- preceding, characterized in that the total content of the silicone(s) iii) ranges from 0.01 to 10% by weight, preferably from 0.05 to 5% by weight, more preferably from 0.1 to 2% by weight, relative to the total weight of the composition.

11. | Solid composition according to any one of the preceding claims- preceding, characterized in that the non-silicone fatty substance(s) iv) are chosen from butters, vegetable oils, fatty esters fatty acid and / or fatty alcohol liquids, and mixtures thereof, of preferably among shea butter, sunflower, corn, and soy, pumpkin, grape seed, sesame, hazelnut, apricot, macadamia, arara, castor, avocado, isopropyl myristate, coconut caprylate / caprate, and mixtures thereof.

12. A solid composition according to any one of the preceding claims- preceding, characterized in that the total content of the fatty substance(s) not silicones iv) ranges from 0.1 to 30% by weight, preferably from 0.5 to 20% by weight weight, more preferably from 1 to 15% by weight, better still from 2 to 10%, even better from 3 to 9% by weight, relative to the total weight of the com- position.

13. A solid composition according to any one of the preceding claims- preceding, characterized in that it further comprises one or more cationic polymers, preferably chosen from polysaccharides cationic and their mixtures, more preferably among the gums of cationic galactomannans and their mixtures, and better still among cationic guar gums and their mixtures.

14. | Solid composition according to any one of the preceding claims- preceding, characterized in that it further comprises one or more amphoteric surfactants, preferably chosen from alkyl(Cg-Czo )betaines, alkyl(Cz-Cao)amidoalkyl(C;-C:)betaines and mixtures thereof.

15. Solid composition according to any one of the preceding claims- preceding, characterized in that it further comprises one or more C,.5 carboxylic acids preferably corresponding to the formula (Xa) next: where Ka) + OH to HG $ in which: A represents a monovalent group when n is 0, or polyvalent when n is greater than or equal to 1; A represents a hydrocarbon group saturated or unsaturated, cyclic or non-cyclic, aromatic or non- aromatic, comprising from 1 to 6 carbon atoms, possibly in- interrupted by one or more heteroatoms, and / or substituted by one or more several hydroxy and / or amino groups; preferably A represents a monovalent C,-C alkyl group; or phenyl, or a polyvalent group C,-C alkylene; or phenylene optionally substituted by one or several hydroxy groups; n represents an integer ranging from 0 to 10, preferably from 0 to 5, better from 0 to 2, more preferably the C, 5 carboxylic acid(s) are chosen from salicylic acid, citric acid, glutaric acid and lactic acid, and mixtures thereof.

16. Process for the cosmetic treatment of keratin fibers, in particular human keratin fibers such as hair, including the application to said keratin fibers of a solid composition as defined in any one of the preceding claims; the solid composition being applied directly to said kera-fibers tinics or after having been previously moistened with water.

17. Packaging article comprising: - an envelope defining at least one cavity, the envelope comprising one or more water-soluble and / or fat-soluble compounds; - a solid composition as defined in any one of the res- indications 1 to 14; it being understood that the solid composition is located in one of the cavities defined by the envelope.

18. Process for the cosmetic treatment of keratin fibers, in particular human keratin fibers such as hair, comprising a step of implementing a packaging item as defined in claim 16, preferably said treatment method cosmetics includes the following steps: 1) mix the packaging item in a composition suitable for solubilize, in whole or in part, the envelope of said article of packaging, 11) apply the composition obtained in step 1) on the kera- tinics, iii) possibly leave to stand, iv) rinsing said keratin fibers, and v) optionally drying said keratin fibers.

19. Use of a solid composition as defined in one of any of claims | to 14 or of an article of condi- operation as defined in claim 16 for the care of fibers keratinous, in particular human keratinous fibers such as the hair.