Compositions comprising dissolved solid fatty alcohols and monohydric alcohols

Abstract

The present invention relates to a composition, notably a cosmetic composition, a hair composition, comprising at least 8% by weight of one or more fatty alcohols, at least one C 2 ‑C 6 A monohydric alcohol and optionally one or more liquid fatty substances, the composition comprising less than 10% by weight of water. The invention also relates to the use of a composition according to the invention for styling and / or conditioning keratin fibres, in particular human keratin fibres such as the hair, and particularly for defining curls.

Description

[0001] The present invention relates to a composition, notably a cosmetic composition, notably a hair composition; the composition comprises: at least 8% by weight of one or more fatty alcohols, at least one of which is a solid fatty alcohol, at least 40% by weight of one or more C2-C6 monohydric alcohols, and optionally one or more liquid fatty substances other than liquid fatty alcohols, the composition comprising less than 10% by weight of water.

[0002] The invention also relates to a method for styling and / or conditioning keratin fibres, in particular human keratin fibres such as the hair, comprising at least one step of applying to said fibres a composition according to the invention.

[0003] The invention finally relates to the use of a composition according to the invention for styling and / or conditioning keratin fibres, in particular human keratin fibres such as the hair, and notably for defining the curl profile of the hair.

[0004] Many individuals are dissatisfied with the appearance of their hair: those with curly hair in particular may wish to maintain their curls but achieve better curl definition and better uniformity, better movement and less volume and frizz, even in humid conditions. Additionally, some individuals find it difficult to control, define and / or style their curls.

[0005] There is a need to provide compositions that can simplify the styling process, especially for those with curly hair.

[0006] In particular, there is a need to provide compositions which give good definition and control to the hair while maintaining its curls, and which enable good control of frizz and volume to be obtained, and which withstand humidity while providing hair care that lasts after multiple shampooing cycles.

[0007] In fact, the Applicant has discovered precisely and unexpectedly that a composition comprising a combination of one or more dissolved fatty alcohols and at least one C2-C4 monohydric alcohol makes it possible to solve the abovementioned problems.

[0008] The subject of the present invention is therefore a composition comprising: at least 8.0% by weight of one or more fatty alcohols, at least one of which is a solid fatty alcohol, relative to the total weight of the composition; at least 40% by weight of one or more C2-C4 monohydric alcohols, relative to the total weight of the composition; and optionally one or more liquid fatty substances other than liquid fatty alcohols; the composition comprising less than 10% by weight of water relative to the total weight of the composition. Advantageously, the fatty alcohol is dissolved in the composition.

[0009] The Applicant has notably observed that the composition according to the invention enables well-defined curls to be obtained, good control of frizz and volume of the hair and imparts good manageability to the hair. Furthermore, the composition according to the invention provides a conditioning effect on the hair and is particularly capable of providing a pleasant cosmetic feel, especially a smooth, soft, non-sticky feel, promoting the loosening of the hair and providing shine. The composition does not introduce a greasy effect and provides volume control.

[0010] Furthermore, the composition according to the invention is advantageously clear or transparent and thus has an original visual effect for this type of hair product.

[0011] Additionally, these compositions can be sprayed.

[0012] Furthermore, the composition according to the invention is easily distributed on the hair, notably on dry hair, to obtain styling care.

[0013] A subject of the present invention is also a process for styling and / or conditioning keratin fibres, in particular human keratin fibres such as the hair, comprising at least one step of applying a composition according to the invention to said fibres.

[0014] Other objects, features, aspects and advantages of the present invention will become more apparent after reading the following description and examples.

[0015] In the present specification, the expression "at least one / kind" is equivalent to the expression "one / kind or more / kind" and can replace the expression; the expression "between..." is equivalent to the expression "range is..." and can replace the expression, and means that the limit values ​​are included.

[0016] The term "keratin fibers" means fibers of human or animal origin, such as hair, body hair, eyelashes, eyebrows, wool, angora, cashmere or fur. According to the invention, the keratin fibers are preferably human keratin fibers, more preferably hair.

[0017] The composition according to the invention is advantageously in the form of a transparent to translucent, more preferably transparent, fluid.

[0018] The transparency of the composition according to the invention can be characterized by measuring its turbidity by nephelometric method (in NTU).In the context of the present invention, turbidity measurements are performed using a turbidimeter from Hanna Instruments, model HI88713-ISO.

[0019] Preferably, the turbidity of the composition according to the invention measured at ambient temperature (25° C.) and atmospheric pressure is less than 400 NTU units, more preferably from 1 to 250 NTU units, even better still from 3 to 200 NTU units.

[0020] Fatty alcohol

[0021] The composition according to the invention comprises at least 8.0% by weight, relative to the total weight of the composition, of one or more fatty alcohols, at least one of which is solid.

[0022] The term "fatty alcohol" means a non-glycerolated and non-oxyalkylenated, linear or branched, saturated or unsaturated aliphatic alcohol containing from 6 to 40 carbon atoms and containing at least one hydroxyl group and preferably containing from 8 to 30 carbon atoms, preferably from 12 to 24 carbon atoms and better still from 14 to 22 carbon atoms.

[0023] According to the invention, the fatty alcohol is preferably dissolved in the composition.

[0024] The term "dissolved fatty alcohol" means that the fatty alcohol does not precipitate out of the composition and / or that it does not form crystals. When the composition is visually inspected with the naked eye, it is homogeneous, single-phase and clear or transparent.

[0025] The term "liquid" means liquid at 25°C and atmospheric pressure (760 mmHg; i.e. 1.013×10 5 Preferably, the compound has a liquid temperature of 25°C and a liquid temperature of 1s- 1 A viscosity of less than or equal to 2 Pa.s, preferably less than or equal to 1 Pa.s, more preferably less than or equal to 0.1 Pa.s, measured at a shear rate of .

[0026] The term "solid" refers to a solid at 30°C and atmospheric pressure (760 mmHg; i.e. 1.013×10 5 Pa) is a non-liquid compound.

[0027] Solid fatty alcohol

[0028] The solid (non-liquid) fatty alcohol according to the invention is chosen from saturated or unsaturated, linear or branched alcohols containing from 8 to 30 carbon atoms, preferably from 12 to 24 carbon atoms and better still from 14 to 22 carbon atoms.

[0029] More preferably, the solid (non-liquid) fatty alcohol according to the invention is chosen from saturated linear alcohols containing from 8 to 30 carbon atoms, preferably from 12 to 24 carbon atoms and better still from 14 to 22 carbon atoms.

[0030] Preferably, the solid fatty alcohol according to the invention is chosen from fatty alcohols having a melting point greater than 30°C, preferably greater than 35°C.

[0031] Preferably, there may be mentioned, for example, cetyl alcohol, stearyl alcohol, behenyl alcohol and myristyl alcohol, and a mixture thereof.

[0032] Liquid fatty alcohol

[0033] The liquid fatty alcohols of the present invention may be saturated or unsaturated.

[0034] The saturated liquid fatty alcohols are preferably branched. They may optionally contain at least one aromatic or non-aromatic ring in their structure. Preferably, they are acyclic.

[0035] More particularly, the saturated liquid fatty alcohol according to the invention is chosen from 2-octyldodecanol, isostearyl alcohol, 2-hexyldecanol, 2-butyloctanol and 2-undecylpentadecanol. Octyldodecanol is most particularly preferred.

[0036] Liquid unsaturated fatty alcohols contain at least one double bond or triple bond in their structure.

[0037] Preferably, they carry one or more double bonds in their structure. When a plurality of double bonds are present, their number is preferably 2 or 3 and they may be conjugated or non-conjugated.

[0038] Unsaturated fatty alcohols may be linear or branched. They may optionally contain at least one aromatic or non-aromatic ring in their structure. Preferably, they are acyclic.

[0039] More particularly, the liquid unsaturated fatty alcohols of the invention are chosen from oleyl alcohol, linoleyl alcohol, linoleyl alcohol and undecenyl alcohol, and mixtures thereof. Oleyl alcohol is particularly preferred.

[0040] In a preferred embodiment, the composition according to the invention comprises at least two different fatty alcohols, at least one of which is a solid fatty alcohol.

[0041] Preferably, the composition according to the invention comprises at least one solid fatty alcohol and at least one liquid fatty alcohol.

[0042] According to this example, hair conditioning properties are improved, notably a smoother feel, and the hair is softer and shinier.

[0043] Preferably, the ratio by weight of solid fatty alcohol / total fatty alcohol concentration is greater than 0.25 and preferably ranges from 0.3 to 1, preferably from 0.3 to 0.75, more particularly from 0.35 to 0.6.

[0044] The composition according to the invention may comprise one or more solid fatty alcohols in a total amount ranging from 1% to 25% by weight, preferably from 2% to 20% by weight and more preferably from 3% to 15% by weight relative to the total weight of the composition.

[0045] The composition according to the invention may comprise one or more liquid fatty alcohols in a total amount ranging from 1% to 20% by weight, preferably from 2% to 15% by weight and more preferably from 3% to 10% by weight relative to the total weight of the composition.

[0046] The composition according to the invention may comprise one or more fatty alcohols in a total amount ranging from 8% to 25% by weight, preferably from 8% to 20% by weight and more preferably from 10% to 15% by weight relative to the total weight of the composition.

[0047] C2-C6 Monohydric Alcohol

[0048] The composition according to the invention comprises one or more C2-C6 monohydric alcohols.

[0049] The C2-C6 monohydric alcohols are notably ethanol, isopropanol, tert-butanol, n-butanol. Preferably, the alcohol used is ethanol.

[0050] Preferably, the C2-C6 alcohol is notably present in a total amount ranging from 50% to 95% by weight, in particular ranging from 60% to 90% by weight, or even from 70% to 90% by weight relative to the total weight of the composition.

[0051] Liquid fatty substances

[0052] The composition according to the invention preferably comprises one or more liquid fatty substances other than liquid fatty alcohols.

[0053] The term "fatty substance" means a substance that is present at normal ambient temperature (25°C) and atmospheric pressure (760 mmHg, i.e. 1.013 × 10 5 Fatty substances are organic compounds which are insoluble in water at 40° C. Pa (0.2 mmol / l), the solubility of which in water is less than 5% by weight, preferably less than 1% by weight and even more preferably less than 0.1% by weight. They generally have in their structure at least one hydrocarbon chain containing at least 6 carbon atoms. In addition, fatty substances are generally soluble in organic solvents such as chloroform, dichloromethane, carbon tetrachloride, ethanol, benzene, toluene, tetrahydrofuran (THF), liquid vaseline or decamethylcyclopentasiloxane under the same conditions of temperature and pressure. The fatty substances of the invention are not etherified by oxyalkylene or glycerolated groups. Preferably, they do not contain carboxylic acid functional groups COOH in their structure.

[0054] The term "hydrocarbon" means a compound containing only carbon and hydrogen atoms.

[0055] The term "fatty acid" means a compound comprising at least one linear or branched, saturated or unsaturated carboxylic acid function, containing from 6 to 40 carbon atoms.

[0056] The term "fatty esters" means esters of fatty acids and / or fatty alcohols.

[0057] The term "fatty ether" means a compound comprising at least one linear or branched, saturated or unsaturated ether function, comprising at least one hydrocarbon-based group containing from 6 to 40 carbon atoms.

[0058] The term "non-silicone" means a compound whose structure does not contain any silicon atoms and thus notably does not contain any siloxane groups.

[0059] More preferably, the liquid fatty substance is a non-silicone substance.

[0060] In particular, the fatty substances according to the invention are not (poly)oxyalkylenated or (poly)glycerolated ethers.

[0061] The term "oil" means oil at ambient temperature (25°C) and atmospheric pressure (760 mmHg or 1.013×10 5 Pa) is the "fatty substance" of the liquid.

[0062] More particularly, the fatty substance is selected from C6-C 16 Liquid hydrocarbons, liquid hydrocarbons containing more than 16 carbon atoms, non-silicone oils of animal origin, oils of the triglyceride type of vegetable or synthetic origin, fluorinated oils, liquid esters of fatty acids and / or fatty alcohols other than triglycerides, liquid fatty ethers, dialkyl carbonates, and mixtures thereof.

[0063] Recall that fatty esters and fatty acids more particularly contain at least one saturated or unsaturated, linear or branched hydrocarbon-based radical containing 6 to 40 and better still 8 to 30 carbon atoms, which radical is optionally substituted in particular with one or more, in particular 1 to 4, hydroxyl groups. If they are unsaturated, these compounds may contain one to three conjugated or nonconjugated carbon-carbon double bonds.

[0064] About C6-C 16 Liquid hydrocarbons, which may be linear or branched, optionally cyclic, and are preferably alkanes. Mention may be made, by way of example, of hexane, cyclohexane, undecane, dodecane, isododecane, tridecane, or isoparaffins such as isohexadecane or isodecane, and mixtures thereof. 16 Isoparaffins are particularly preferred.

[0065] The linear or branched hydrocarbons of mineral or synthetic origin containing more than 16 carbon atoms are preferably chosen from liquid paraffin, petrolatum, liquid petrolatum, polydecene and hydrogenated polyisobutene (e.g. 4), and mixtures thereof.

[0066] The triglyceride oils of vegetable or synthetic origin are preferably chosen from liquid triglycerides of fatty acids containing 6 to 30 carbon atoms, such as heptanoic or caprylic triglycerides, or also for example sunflower oil, linseed oil, olive oil, safflower oil, argan oil, corn germ oil, wheat germ oil, soybean oil, marrow seed oil, grape seed oil, sesame oil, hazelnut oil, almond oil, macadamia oil, aronia oil, castor oil, avocado oil, caprylic / capric triglycerides (for example those sold by Stéarineries Dubois in France or by Dynamit Nobel under the name 810, 812 and 818), shea butter, and mixtures thereof.

[0067] Fatty esters

[0068] As regards the liquid esters of fatty acids and / or fatty alcohols other than the above-mentioned triglycerides and the above-mentioned fatty esters a), mention may be made in particular of saturated or unsaturated, linear C1-C 26 or branched C3-C 26 Aliphatic monobasic or polybasic acids and saturated or unsaturated, straight-chain C1-C 26 or branched C3-C 26 Esters of aliphatic monohydric or polyhydric alcohols, the total carbon number of these esters is greater than or equal to 10.

[0069] Preferably, for esters of monohydric alcohols, at least one of the alcohol or acid from which the esters of the invention are derived is branched and / or unsaturated.

[0070] Among the monoesters, mention may be made of dihydroabietyl behenate; octyldodecyl behenate; isocetyl behenate; decyl oleate; isocetyl isostearate; isocetyl laurate; isocetyl stearate; isodecyl octanoate; isodecyl oleate; isononyl isononanoate; isostearyl palmitate; methyl acetyl ricinoleate; octyl isononanoate; 2-ethylhexyl isononanoate; octyldodecyl erucate; oleyl erucate; ethyl palmitate, isopropyl palmitate, 2-ethylhexyl palmitate, 2-octyldecyl palmitate, alkyl myristates such as isopropyl myristate and 2-octyldodecyl myristate, isobutyl stearate; 2-hexyldecyl laurate, and mixtures thereof.

[0071] Preferably, among the monoesters of monoacids and monoalcohols, use will be made of isopropyl palmitate, alkyl myristates such as isopropyl myristate, isocetyl stearate, 2-ethylhexyl isononanoate, isodecyl neopentanoate, isononyl isononanoate, and mixtures thereof. Still in the context of this variant, it is also possible to use C4-C 22 Dicarboxylic or tricarboxylic acids and C1-C 22 Esters of alcohols and mono-, di- or tri-carboxylic acids and C2-C 26 Esters of dihydric, trihydric, tetrahydric or pentahydric alcohols.

[0072] Mention may be made notably of: diethyl sebacate; diisopropyl sebacate; diisopropyl adipate; di-n-propyl adipate; dioctyl adipate; dioctyl maleate; glyceryl undecylenate; octyldodecyl stearate; pentaerythrityl monoricinoleate; pentaerythrityl tetraisononanoate; pentaerythrityl tetranonanoate; pentaerythrityl tetraisostearate; pentaerythrityl tetraoctanoate; propylene glycol dicaprylate; propylene glycol dicaprate; tridecyl erucate; triisopropyl citrate; glyceryl trilactate; glyceryl tricaprylate; propylene glycol dicaprylate; neopentyl glycol diheptanoate; diethylene glycol diisononanoate; and mixtures thereof.

[0073] The composition may also contain C6-C 30 , and preferably C 12 -C 22 Sugar esters and diesters of fatty acids. Recall that the term "sugar" refers to oxygen-bearing hydrocarbon-based compounds with several alcohol functions, with or without aldehyde or ketone functions, and containing at least 4 carbon atoms. These sugars can be monosaccharides, oligosaccharides or polysaccharides.

[0074] As suitable sugars there may be mentioned, for example, sucrose, glucose, galactose, ribose, fucose, maltose, fructose, mannose, arabinose, xylose, lactose, and derivatives thereof, notably alkyl derivatives, such as methyl derivatives, for example methylglucose.

[0075] The esters of sugars and fatty acids may be selected in particular from the group comprising the sugars described previously and linear or branched, saturated or unsaturated C6-C 30 , preferably C 12 -C 22 Esters or mixtures of esters of fatty acids. If they are unsaturated, these compounds may contain one to three conjugated or nonconjugated carbon-carbon double bonds.

[0076] The esters according to this variant may also be chosen from monoesters, diesters, triesters and tetraesters, polyesters and mixtures thereof.

[0077] These esters may be, for example, oleate, laurate, palmitate, myristate, behenate, cocoate, stearate, linoleate, linolenate, caprate and arachidonate or mixtures thereof, such as in particular mixed esters of oleyl palmitate, oleostearate and palmitostearate.

[0078] More particularly, use is made of monoesters and diesters, and notably mono- or dioleates, stearates, behenates, oleyl palmitates, linoleates, linolenates and oleostearates of sucrose, glucose or methylglucose, and mixtures thereof.

[0079] An example that may be mentioned is the product sold under the name DO sells a product which is methyl glucose dioleate.

[0080] According to a preferred embodiment, dialkyl carbonates, in particular (C1-C 12 ) dialkyl carbonate, preferably (C4-C 12 ) dialkyl carbonates, such as notably dicaprylyl carbonate.

[0081] Fatty ether

[0082] The liquid fatty ethers may be selected from dialkyl ethers, in particular (C1-C 12 ) dialkyl ether, preferably (C4-C 12 ) dialkyl ethers, such as notably dicaprylyl carbonate.

[0083] According to one embodiment, the liquid fatty substance is selected from C6-C 16 Alkanes, especially branched C8-C 16 Alkanes, fatty ethers, dialkyl carbonates, and mixtures thereof.

[0084] According to a preferred embodiment, the liquid fatty substance is selected from branched C8-C 16 Alkanes, (C1-C 12 ) dialkyl ether, (C1-C 12 ) dialkyl carbonates, and mixtures thereof.

[0085] The composition according to the invention may comprise liquid fatty substances other than liquid fatty alcohols in a total content ranging from 1% to 20% by weight, preferably from 2% to 15% by weight, preferably from 5% to 12% by weight relative to the total weight of the composition.

[0086] The composition according to the invention may also comprise a thickener. The thickener is notably chosen from polysaccharides.

[0087] The composition according to the invention can be used for cosmetic purposes. For the purposes of the present invention, the term "cosmetic" means a composition having a pleasant appearance, fragrance and feel. Preferably, the composition is intended for topical application to the skin and keratin fibers, and more particularly to the scalp, hair and eyelashes, and even better still to the hair.

[0088] The composition according to the invention may be in the form of an alcoholic or hydro-alcoholic solution of liquid or semi-liquid consistency.

[0089] When the composition according to the invention is aqueous, the water content in the composition according to the invention is advantageously less than 10% by weight, preferably ranging from 1% to 8% by weight, in particular from 1% to 5% by weight relative to the total weight of the composition.

[0090] Preferably, the composition according to the invention is anhydrous.

[0091] For the purposes of the present invention, the term "anhydrous" means a water content of less than 1% by weight, preferably less than 0.5% by weight, and better still free of water.

[0092] The composition according to the invention may also comprise, in addition to the C2-C6 monohydric alcohol, one or more additional organic solvents, for example chosen from polyols, especially those containing 2 to 6 carbon atoms, such as glycerol, propylene glycol, butylene glycol, pentylene glycol, hexylene glycol, dipropylene glycol or diethylene glycol; and polyol ethers, such as 2-butoxyethanol, propylene glycol monomethyl ether, and diethylene glycol monoethyl ether and monomethyl ether; and mixtures thereof.

[0093] Preferably, the composition according to the invention comprises less than 10% by weight, preferably less than 5%, more preferably less than 2% by weight and better still less than 1% by weight of polyols relative to the total weight of the composition. More particularly, the composition does not contain any polyols.

[0094] The composition according to the invention may comprise one or more surfactants selected from nonionic surfactants, anionic surfactants, amphoteric surfactants or cationic surfactants, and mixtures thereof.

[0095] The composition according to the invention may also contain one or more additional compounds chosen from natural or synthetic thickeners or viscosity regulators; UV screening agents, fillers such as mother-of-pearl, titanium dioxide, resins and clays, fragrances, peptizers, vitamins, acidic agents, alkaline agents, colorants, pearlescent agents, opacifiers, film-forming polymers, fixing polymers, conditioning agents, solid fatty substances other than solid fatty alcohols, antioxidants and preservatives.

[0096] A person skilled in the art will be careful to select the optional additional compounds and the amounts thereof so that they do not impair the properties of the composition of the invention, especially the solubility of the fatty alcohol.

[0097] These additives may be present in the composition according to the invention in an amount ranging from 0 to 20% by weight relative to the total weight of the composition.

[0098] The pH of the composition according to the invention ranges from 2 to 12, preferably from 2.5 to 9, preferably from 3 to 8 and better still from 4 to 7 when the composition is aqueous.

[0099] The pH of the composition can be adjusted to the desired value by conventional alkalizing or acidifying agents. Among the alkalizing agents, examples that may be mentioned include aqueous ammonia, alkanolamines and inorganic or organic hydroxides. Among the acidifying agents, examples that may be mentioned include inorganic or organic acids, such as hydrochloric acid, orthophosphoric acid or sulfuric acid, carboxylic acids, such as acetic acid, tartaric acid, citric acid and lactic acid, and sulfonic acids.

[0100] Thus, the cosmetic composition, after application to the keratin materials, can be rinsed off or left on, for example rinsed off with water after an optional leave-on time. The composition is preferably a leave-on composition.

[0101] Another subject of the invention is a method for styling and / or conditioning keratin fibers, in particular human keratin fibers such as the hair, comprising at least one step of applying to said fibers a composition as previously described.

[0102] This or these steps of applying a composition according to the invention may optionally be carried out before at least one step of washing the fibers with a shampoo.

[0103] Furthermore, this or these steps of applying the composition according to the invention may optionally be followed by a step of leaving the composition to remain for a period of, for example, from 5 s to 15 minutes, notably from 15 s to 5 minutes; followed then by an optional rinsing step, for example with water; and / or a drying step.

[0104] Preferably, the keratin fibers are not rinsed after the step of applying a composition according to the invention. The expression "not rinsed" is intended to mean that after the step of applying a composition according to the invention, a step of rinsing the keratin fibers for at least 30 minutes, preferably 1 hour is not carried out.

[0105] A subject of the present invention is also the use of the above-described composition for styling and / or conditioning keratin fibres, in particular human keratin fibres such as the hair, and notably for defining the definition of curls, thereby improving softness.

[0106] Preferably, the composition previously described is used on curly hair to define the curls.

[0107] The following examples serve to illustrate the invention but are not limiting in nature.

[0108] Example 1

[0109] Compositions 1 and 2 according to the invention and comparative composition 3 were prepared using the following ingredients in the amounts indicated in the table below (in grams of active material).

[0110] [Table 1]

[0111]

[0112] Solid fatty alcohol was dissolved in the composition according to the invention. No fatty alcohol crystals were observed. The composition was transparent. The composition was stable.

[0113] Volume and frizz control (anti-frizz)

[0114] Volume and frizz control were evaluated on natural Caucasian hair tresses of frizz type IV, each tress weighing 2.7 g and 26 cm in length.

[0115] On dry hair, apply 0.4 g of composition per gram of hair.

[0116] Trained experts then visually assess control of volume and frizz.

[0117] [Table 2]

[0118]

[0119] For hair treated with the composition of the invention, better control of hair volume, in particular lack of frizz, is observed compared to the comparative composition.

[0120] Compared to hair treated with compositions 1 and 3, hair treated with composition 2 was softer and shinier.

[0121] Example 2

[0122] The compositions according to the invention were prepared from the following ingredients in the amounts indicated in the table below (in g of active material).

[0123] [Table 3]

[0124]

[0125]

[0126] Hair treated with the composition according to the invention exhibits good styling properties (curl definition, frizz control) with a soft and smooth feel. The feel is neither greasy nor heavy.

[0127] Example 3

[0128] Composition A according to the invention and comparative composition B were prepared using the following ingredients in the amounts indicated in the table below (in grams of active material).

[0129] [Table 5]

[0130]

[0131] Compositions A and B are applied to dry curly locks (type IV) at a rate of 0.2 g / g of hair.

[0132] Each tress was then hung vertically in a humidity-controlled (80% RH) room for 48 hours before being evaluated by 5 experts.

[0133] Five experts blindly evaluated the curl definition, uniformity and softness of each hair lock on a scale of 0 (poor) to 5 (excellent)

[0134] "Curl outline and uniformity" evaluation

[0135] The curl definition and uniformity assessment was visual: the experts noted whether the curls were well defined, geometrically shaped and spaced regularly. The strands that came together formed a well-defined curl.

[0136] Evaluation of "softness"

[0137] The softness assessment is tactile: the expert holds the lock of hair between thumb and index finger and moves his fingers along the hair from the top to the ends; this assesses whether the hair is soft, does not have any roughness, and has a homogeneous feel.

[0138]

[0139] The curls of hair treated with composition A according to the invention were more defined and better controlled than when treated with comparative composition B. Further, hair treated with composition A according to the invention was softer than when treated with comparative composition B. According to the standard deviation, those differences were clearly different.

[0140] The present invention makes the softness of the hair better resistant to humidity and creates better curl definition / control.

Claims

1. A cosmetic composition comprising: 8.0% to 20% by weight of one or more fatty alcohols relative to the total weight of the composition, the composition comprising at least one or more solid fatty alcohols, the total content of said solid fatty alcohols ranging from 3% to 15% by weight relative to the total weight of the composition, at least 40% by weight, relative to the total weight of the composition, of one or more C2-C6 monohydric alcohols, and optionally one or more liquid fatty substances other than liquid fatty alcohols, the composition comprising less than 10.0% by weight of water relative to the total weight of the composition, The composition comprises at least one solid fatty alcohol and at least one liquid fatty alcohol, characterized in that The solid fatty alcohol is selected from cetyl alcohol, stearyl alcohol, behenyl alcohol and myristyl alcohol, and mixtures thereof, wherein the liquid fatty alcohol is selected from 2-octyldodecanol, isostearyl alcohol, 2-hexyldecanol, 2-butyloctanol, oleyl alcohol, linoleyl alcohol, linoleyl alcohol, and mixtures thereof.

2. The composition according to claim 1, characterized in that The fatty alcohol is dissolved in the composition.

3. The composition according to any one of claims 1 to 2, characterized in that The composition comprises one or more C2-C6 monohydric alcohols selected from the group consisting of ethanol, isopropanol, tert-butanol and n-butanol.

4. The composition according to any one of claims 1 to 2, characterized in that The composition comprises a total amount of C2-C6 monohydric alcohols in a range from 50% to 95% by weight relative to the total weight of the composition.

5. The composition according to any one of claims 1-2, characterized in that The liquid fatty substance other than liquid fatty alcohol is selected from C6-C 16 Alkanes, fatty ethers and dialkyl carbonates, and mixtures thereof.

6. The composition according to any one of claims 1 to 2, characterized in that The total content of liquid fatty substances other than liquid fatty alcohols ranges from 1% to 20% by weight relative to the total weight of the composition.

7. A composition according to any one of the preceding claims 1 to 2, characterized in that The composition comprises less than 10% by weight of polyol relative to the total weight of the composition.

8. The composition according to claim 1, characterized in that The ratio of solid fatty alcohol / total fatty alcohol by weight is from 0.3 to 0.

75.

9. The composition according to claim 1, characterized in that The ratio of solid fatty alcohol / total fatty alcohol by weight is from 0.35 to 0.

6.

10. The composition according to claim 1, characterized in that The total content of the fatty alcohol ranges from 10% to 20% by weight relative to the total weight of the composition.

11. The composition according to claim 1, characterized in that The total content of the fatty alcohol ranges from 10% to 15% by weight relative to the total weight of the composition.

12. The composition according to claim 4, characterized in that The composition comprises a total amount of C2-C6 monohydric alcohols in a range from 60% to 90% by weight relative to the total weight of the composition.

13. The composition according to claim 4, characterized in that The composition comprises a total amount of C2-C6 monohydric alcohols in a range from 70% to 90% by weight relative to the total weight of the composition.

14. The composition according to claim 6, characterized in that The total content of liquid fatty substances other than liquid fatty alcohols ranges from 2% to 15% by weight relative to the total weight of the composition.

15. The composition according to claim 7, characterized in that The composition comprises less than 5% by weight of polyol relative to the total weight of the composition.

16. The composition according to claim 1, characterized in that The solid fatty alcohol is selected from cetyl stearyl alcohol.

17. A non-therapeutic method for styling and / or conditioning keratin fibres, said method comprising at least one step of applying to the keratin fibres a composition as defined in any one of claims 1 to 16.

18. The method according to claim 17, characterized in that The keratin fibers are human keratin fibers.

19. The method according to claim 17, characterized in that Keratin fibers are hair.

20. Use of a composition as defined in any one of claims 1 to 16 for styling and / or conditioning keratin fibres.

21. The use according to claim 20, wherein the keratin fibers are human keratin fibers.

22. The use according to claim 20, wherein the keratin fibers are hair.

23. Use according to claim 20 for defining curl contours, for improving softness.

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