COMPOSITION FOR KERATIN FIBERS

Abstract

COMPOSITION FOR KERATIN FIBERS The present invention relates to a composition for keratin fibers, comprising: (a) at least one biodegradable liquid fat; (b) at least one alkaline agent; (c) at least one thickener; and (d) water, wherein the amount of the biodegradable liquid fat(s) (a) is 10% by weight or more, preferably 30% by weight or more, and more preferably 50% by weight or more, relative to the total weight of the composition. The composition according to the present invention can be used for the oxidative dyeing or bleaching of keratin fibers such as hair. Figure for abstract: none

Description

Title of the invention: COMPOSITION FOR KERATINIC FIBERS Technical field

[0001] The present invention relates to a composition for keratin fibers, in particular, a composition for bleaching or dyeing keratin fibers such as hair.

[0002] CONTEXT OF THE INVENTION

[0003] The dyeing of keratin fibers, particularly hair, using dye compositions containing oxidative color precursors, generally called oxidative bases, such as ortho- or para-phenylenediamines, ortho- or para-aminophenols, and heterocyclic compounds, is well known. These oxidative bases are generally combined with couplers. These oxidative bases and couplers are colorless or weakly colored compounds. However, when combined with oxidizing agents, they can provide colored dye molecules by an oxidative condensation process.

[0004] This type of oxidative coloring, namely oxidative dyeing, makes it possible to obtain colors with very high visibility, gray hair coverage, and a wide variety of shades. Oxidative dyeing is widely used because of its high color absorption compared to direct dyeing using so-called direct dyes.

[0005] In order to perform an oxidative dyeing, typically, a composition comprising an oxidative base(s), as well as a coupler(s), with an alkali agent(s), is mixed with a developer composition comprising an oxidizing agent(s) to prepare a ready-to-use composition, and then, the ready-to-use composition is applied to the keratin fibers.

[0006] The developer composition is capable of bleaching keratin fibers due to the function of the oxidizing agent(s) in the composition. Therefore, both the developer composition and the ready-to-use composition (which may or may not include any oxidizing base, with or without any coupler) can be used to bleach keratin fibers.

[0007] Recently, hair dyeing or bleaching compositions comprising a relatively higher quantity of oil(s) have been proposed. For example, USA-A-2010 / 0154140 discloses such a composition comprising a petroleum-derived mineral oil. DISCLOSURE OF THE INVENTION

[0008] There is a need for a composition that can bleach or dye keratin fibers such as hair, in which the composition can provide the keratin fibers with good bleaching or dyeing effects, while being environmentally friendly.

[0009] Thus, an objective of the present invention is to provide a composition for keratin fibers, in particular for bleaching or dyeing keratin fibers, which can endow keratin fibers with good bleaching or dyeing effects, while being environmentally friendly.

[0010] The main objective can be achieved by a composition for keratin fibers, comprising:

[0011] (a) at least one biodegradable liquid fat;

[0012] (b) at least one alkaline agent;

[0013] (c) at least one thickener; and

[0014] (d) water,

[0015] in which

[0016] the quantity of the biodegradable liquid fat(s) (a) is 10 % by weight or more, preferably 30% by weight or more, and more preferably 50% by weight or more, relative to the total weight of the composition.

[0017] The biodegradable liquid fat (a) can be selected from plant-derived oils, ester oils, and mixtures thereof.

[0018] Plant-derived oils may include hydrocarbon oils, preferably alkanes, and more preferably a C15-19 alkane.

[0019] The quantity of the biodegradable liquid fat(s) (a) in the composition according to the present invention can be from 10% to 80% by weight, preferably from 30% to 75% by weight, and more preferably from 50% to 70% by weight, relative to the total weight of the composition.

[0020] The alkali agent (b) can be selected from ammonia, alkanolamines, derivatives thereof, and salts thereof.

[0021] The alkanolamine may be selected from the group consisting of monoethanolamine, diethanolamine, triethanolamine, monoisopropanolamine, diisopropanolamine, N-dimethylethanolamine, 2-amino-2-methyl-l-propanol, triisopropanolamine, 2-amino-2-methyl-l,3-propanediol, 3-amino-l,2-propanediol, 3-dimethylamino-l,2-propanediol, tris(hydroxymethylamino)methane, and a mixture of these.

[0022] The quantity of the alkali agent (alkali agents) (b) in the composition according to the present invention can be from 0.1% to 20% by weight, preferably from 0.5% to 15% by weight, and more preferably from 1% to 10% by weight, relative to the total weight of the composition.

[0023] The thickener (c) can be selected from polysaccharides.

[0024] The thickener (c) can be selected from cellulose derivatives, gums of modified guar, and mixtures thereof, more preferably hydroxyalkylcelluloses, guar gums modified by Ci-C6 hydroxyalkyl groups, and mixtures thereof, and even more preferably hydroxyethylcellulose, hydroxypropyl guar, and mixtures thereof.

[0025] The quantity of the thickener (thickeners) (c) in the composition according to the present invention can be from 0.01% to 10% by weight, preferably from 0.05% to 5% by weight, and more preferably from 0.1% to 1% by weight, relative to the total weight of the composition.

[0026] The quantity of water (d) in the composition according to the present invention can be from 10% to 50% by weight, preferably from 15% to 45% by weight, and more preferably from 20% to 40% by weight, relative to the total weight of the composition.

[0027] The composition according to the present invention may further comprise (e) at least one non-ionic surfactant, preferably at least one liquid non-ionic surfactant, and more preferably selected from liquid alkyl polyglucosides.

[0028] The quantity of the non-ionic surfactant(s) (e) in the composition according to the present invention may be from 0.1% to 15% by weight, preferably from 0.5% to 10% by weight, and more preferably from 1% to 5% by weight or more, relative to the total weight of the composition.

[0029] The composition according to the present invention may further comprise (f) at least one dye.

[0030] The present invention also relates to a process for keratin fibers comprising the steps of:

[0031] (1) mixture of a first composition and a second composition to prepare a mixture,

[0032] in which

[0033] the first composition comprises

[0034] (a) at least one biodegradable liquid fat,

[0035] (b) at least one alkaline agent,

[0036] (c) at least one thickener, and

[0037] (d) water, and optionally (e) at least one non-ionic surfactant and / or (f) to minus a dye,

[0038] in which

[0039] the quantity of the biodegradable liquid fat(s) (a) is 10% by weight or more, preferably 30% by weight or more, and more preferably 50% by weight or more, relative to the total weight of the first composition,

[0040] and

[0041] the second composition comprises

[0042] (g) at least one oxidizing agent;

[0043] and

[0044] (2) application of the mixture onto the keratin fibers. Best embodiment of the invention

[0045] After extensive research, the inventors discovered that it is possible to provide a composition for keratin fibers, in particular for bleaching or dyeing keratin fibers, which can endow keratin fibers with good bleaching or dyeing effects, while being environmentally friendly.

[0046] Thus, the composition according to the present invention comprises:

[0047] (a) at least one biodegradable liquid fat;

[0048] (b) at least one alkaline agent;

[0049] (c) at least one thickener; and

[0050] (d) water,

[0051] in which

[0052] the quantity of the biodegradable liquid fat(s) (a) is 10 % by weight or more, preferably 30% by weight or more, and more preferably 50% by weight or more, relative to the total weight of the composition.

[0053] The composition according to the present invention can be used as a cosmetic composition for keratin fibers such as hair, preferably a cosmetic composition for bleaching or dyeing keratin fibers, and more preferably a cosmetic composition for bleaching or oxidative dyeing of hair.

[0054] The composition according to the present invention can provide keratin fibers with good bleaching or dyeing effects, which are at least comparable to those provided by conventional compositions for bleaching or dyeing keratin fibers.

[0055] The composition according to the present invention is environmentally friendly, since it uses a biodegradable fat. Thus, the composition according to the present invention can be decomposed in the environment by the action of, for example, microorganisms, after having been used for bleaching or dyeing keratin fibers.

[0056] It is preferable that the thickener also be biodegradable. It is also preferable that the nonionic surfactant that may be added to the composition according to the present invention be biodegradable.

[0057] Furthermore, the present invention can reduce odors if ammonia is not used as an alkaline agent. Generally, ammonia is used as an alkaline agent. However, ammonia can cause a strong odor. Therefore, it is also possible for the present invention to prevent or reduce odor if ammonia is not used as an alkaline agent.

[0058] Furthermore, since the biodegradable fat used for the composition according to the present invention is liquid, it is not necessary to heat the biodegradable fat to melt it during the preparation of the composition. Consequently, the process for preparing the composition according to the present invention does not require much energy, and therefore, it is also environmentally friendly.

[0059] The present invention also relates to a process for keratin fibers comprising the steps of:

[0060] (1) mixture of a first composition and a second composition to prepare a mixture,

[0061] in which

[0062] the first composition comprises

[0063] (a) at least one biodegradable liquid fat,

[0064] (b) at least one alkaline agent,

[0065] (c) at least one thickener, and

[0066] (d) water, and optionally (e) at least one non-ionic surfactant and / or (f) to minus a dye,

[0067] in which

[0068] the quantity of the biodegradable liquid fat(s) (a) is 10% by weight or more, preferably 30% by weight or more, and more preferably 50% by weight or more, relative to the total weight of the first composition,

[0069] and

[0070] the second composition comprises

[0071] (g) at least one oxidizing agent;

[0072] and

[0073] (2) application of the mixture onto the keratin fibers.

[0074] The composition and process according to the present invention will be described in detail below.

[0075] [Composition]

[0076] The composition according to the present invention is intended for the treatment of keratin fibers, and comprises:

[0077] (a) at least one biodegradable liquid fat;

[0078] (b) at least one alkaline agent;

[0079] (c) at least one thickener; and

[0080] (d) water,

[0081] in which

[0082] the quantity of the biodegradable liquid fat(s) (a) is 10 % by weight or more, preferably 30% by weight or more, and more preferably 50% by weight or more, relative to the total weight of the composition.

[0083] (Fat)

[0084] The composition according to the present invention comprises (a) at least one biodegradable liquid fat. Two or more biodegradable liquid fats may be used in combination. Thus, a single type of biodegradable liquid fat or a combination of different types of biodegradable liquid fat may be used.

[0085] The term “fat” refers to an organic compound that is insoluble in water at room temperature (25 °C) and atmospheric pressure (760 mmHg) (solubility less than 5% by weight, preferably less than 1% by weight, and even more preferably less than 0.1% by weight).

[0086] The fat may contain, in its structure, at least one hydrocarbon chain containing at least 6 carbon atoms. In addition, the fat may be soluble in organic solvents under the same conditions of temperature and pressure, for example chloroform, ethanol, benzene or decamethylcyclopentasiloxane.

[0087] The fat used for the present invention is biodegradable. Thus, a biodegradable fat is used for the present invention.

[0088] The term “biodegradable” here means that the fat can be degraded or broken down by any living being, such as microorganisms, which is present in environments such as soils, air, rivers and the sea.

[0089] It is preferable that the biodegradable fat have a biodegradability greater than 40%, more preferably greater than 60%, and even more preferably greater than 70%, on the basis of the OECD Guidelines for Chemical Testing, Section 3, drawn up by the Organisation for Economic Co-operation and Development (OECD).

[0090] The fat used for the present invention is liquid.

[0091] The term "liquid" here refers to a substance having a fluidity at room temperature (25 °C) under atmospheric pressure (760 mmHg). Fat in the form of a liquid at room temperature under atmospheric pressure can be called "oil".

[0092] The composition according to the present invention may have an oily phase or oily phases.

[0093] The biodegradable liquid fat (a) can be selected from polar oils, non-polar oils, and mixtures thereof.

[0094] Biodegradable liquid fats (a) can be volatile or non-volatile.

[0095] The biodegradable liquid fat (a) may be selected from the group consisting of oils of animal or vegetable origin, synthetic glycerides, esters of fatty alcohols and / or fatty acids (fatty esters) other than animal or vegetable oils and synthetic glycerides, fatty acids, fatty alcohols, and hydrocarbons.

[0096] Examples of oils of vegetable origin may be mentioned, for example, linseed oil, camellia oil, macadamia nut oil, sunflower oil, apricot oil, soybean oil, arara oil, hazelnut oil, corn oil, mink oil, olive oil, avocado oil, sasanqua oil, castor oil, safflower oil, jojoba oil, sunflower (seed) oil, almond oil, grapeseed oil, sesame oil, soybean oil, peanut oil, and mixtures thereof.

[0097] Examples of animal oils include, for example, squalene, perhydrosqualene and squalane.

[0098] Examples of synthetic glycerides include, for example, caprylic / capric acid triglycerides, for example those sold by the Stéarineries Dubois company or those sold under the names Miglyol® 810, 812 and 818 by the Dynamit Nobel company.

[0099] By way of examples of esters of fatty alcohols and / or fatty acids, which are different from the animal or vegetable oils and synthetic glycerides mentioned above, particular mention may be made of the esters of Ci-C26 aliphatic mono- or polyacids, saturated or unsaturated, linear or branched, and of Ci-C26 aliphatic mono- or polyalcohols, saturated or unsaturated, linear or branched, the total number of carbon atoms of the esters being greater than or equal to 10.

[0100] Among the monoesters, mention may be made of dihydroabietyl behenate; octyldodecyl behenate; isocetyl behenate; cetyl lactate; a Ci2-Ci5 alkyl lactate; isostearyl lactate; lauryl lactate; linoleyl lactate; oleyl lactate; (iso)stearyl octanoate; isocetyl octanoate; octyl octanoate; cetyl octanoate; decyl oleate; isocetyl isostearate; isocetyl laurate; isocetyl stearate; isocetyl octanoate; isocetyl oleate; isononyl isononanoate; isostearyl palmitate; methylacetyl ricinoleate; myristyle stearate; octyl isononanoate; 2-Ethylhexyl isononate; octyl palmitate; octyl pelargonate; octyl stearate; octyldodecyl erucate; oleyl erucate; ethyl and isopropyl palmitates, 2-ethylhexyl palmitate, 2-octyldecyl palmitate, alkyl myristates such as isopropyl, butyl, cetyl, 2-octyldodecyl, myristyle or stearyl myristate, hexyl stearate, butyl stearate, isobutyl stearate; dioctyl malate, hexyl laurate, 2-hexyldecyl laurate.

[0101] Still within the context of this variant, esters of dicarboxylic or tricarboxylic acids in C4-C22 and of alcohols in C1-C22 and esters of mono-, di- or tricarboxylic acids and of di-, tri-, tetra- or pentahydroxy alcohols in C2-C26 can also be used.

[0102] The following may be specifically mentioned: diethyl sebacate; diisopropyl sebacate; diisopropyl adipate; di-n-propyl adipate; dioctyl adipate; diisostearyl adipate; dioctyl maleate; glyceryl undecylenate; octyldodecyl stearoyl stearate; pentaerythrityl monoricinoleate; pentaerythrityl tetraisononanoate; pentaerythrityl tetrapelargonate; pentaerythrityl tetraisostearate; pentaerythrityl tetraoctanoate; propylene glycol dicaprylate; propylene glycol dicaprate; tridecyl erucate; triisopropyl citrate; triisostearyl citrate; glyceryl trilactate; glyceryl trioctanoate; trioctyldodecyl citrate; trioleyl citrate; propylene glycol dioctanoate; neopentyl glycol diheptanoate; diethylene glycol diisononanoate; and polyethylene glycol distearates.

[0103] Among the fatty esters mentioned above, it is preferable to use ethyl, isopropyl, myristyle, cetyl or stearyl palmitate, 2-ethylhexyl palmitate, 2-octyldecyl palmitate, alkyl myristates such as isopropyl, butyl, cetyl or 2-octyldodecyl myristate, hexyl stearate, butyl stearate, isobutyl stearate; dioctyl malate, hexyl laurate, 2-hexyldecyl laurate, isononyl isononanoate or cetyl octanoate.

[0104] The composition may also include, as fatty acid esters, sugar esters and diesters of C6-C30 fatty acids and preferably of C12-C22 fatty acids. The term "sugar" refers to hydrocarbon-based compounds bearing oxygen containing several alcohol functional groups, with or without aldehyde or ketone functional groups, and containing at least four carbon atoms. These sugars may be monosaccharides, oligosaccharides, or polysaccharides.

[0105] Examples of suitable sugars that may be mentioned include sucrose (or saccharose), glucose, galactose, ribose, fructose, maltose, mannose, Arabinose, xylose and lactose, and derivatives thereof, in particular alkylated derivatives, such as methylated derivatives, for example methylglucose.

[0106] Sugar esters of fatty acids may be selected in particular from the group comprising esters or mixtures of esters of sugars described above and linear or branched fatty acids, saturated or unsaturated, in C6-C30 and preferably in Ci2-C22- If unsaturated, these compounds may comprise one to three conjugated or non-conjugated carbon-carbon double bonds.

[0107] The esters according to this variant can also be selected from mono-, di-, tri-, tetraesters and polyesters, and mixtures thereof.

[0108] These esters can be selected, for example, from oleates, laurates, palmitates, myristates, behenates, cocoates, stearates, linoleates, linolenates, caprates and arachidonates, or mixtures thereof such as, in particular, mixed oleo-palmitate, oleo-stearate and palmito-stearate esters.

[0109] It is particularly preferable to use monoesters and diesters and in particular mono- or dioleates, stearates, behenates, oleopalmitates, linoleates, linolenates and oleostearates of sucrose, glucose or methylglucose.

[0110] One example that can be mentioned is the product sold under the name Glucate® DO, which is a methylglucose dioleate, by the company Amerchol.

[0111] Examples of esters or mixtures of sugar and fatty acid esters that may also be mentioned include:

[0112] - the products sold under the names F160, F140, Fl 10, F90, F70 and SL40 by the Crodesta company, designating respectively sucrose palmitostearates formed from 73% monoester and 27% diester and triester, 61% monoester and 39% diester, triester and tetraester, 52% monoester and 48% diester, triester and tetraester, 45% monoester and 55% diester, triester and tetraester, 39% monoester and 61% diester, triester and tetraester, and sucrose monolaurate;

[0113] - products sold under the name Ryoto Sugar Esters, for example called B370 and corresponding to a sucrose behenate formed of 20% monoester and 80% di-triester-polyester;

[0114] - sucrose mono-dipalmito-stearate sold by the Goldschmidt company under the name Tegosoft® PSE.

[0115] The biodegradable liquid fat (a) may be at least one fatty acid, and two or more fatty acids may be used.

[0116] The fatty acids must be in acidic form (i.e., unsalted, to avoid soaps) and may be saturated or unsaturated and contain from 6 to 30 carbon atoms, and in particular from 9 to 30 carbon atoms, which are optionally substituted, in particular by one or more hydroxyl groups (in particular 1 to 4). If unsaturated, these compounds may comprise one to three carbon-2 double bonds. Conjugated or unconjugated carbons. They can be more specifically selected from caproic acid, caprylic acid, oleic acid, linoleic acid, linolenic acid and isostearic acid.

[0117] The biodegradable liquid fat (a) may be at least one fatty alcohol, and two or more fatty alcohols may be used.

[0118] The term "fatty alcohol" herein refers to any C8-C30 fatty alcohol, saturated or unsaturated, linear or branched, which is optionally substituted, in particular by one or more hydroxyl groups (in particular 1 to 4). If unsaturated, these compounds may comprise one to three conjugated or non-conjugated carbon-carbon double bonds.

[0119] Among the C8-C30 fatty alcohols, C12-C22 fatty alcohols, for example, are used. Among these, lauryl alcohol, isostearyl alcohol, oleyl alcohol, and mixtures thereof may be mentioned.

[0120] Examples of hydrocarbons include linear or branched hydrocarbons, preferably aliphatic hydrocarbons, and more preferably alkanes. Examples of alkanes include lower C6-C16 alkanes, linear or branched, or possibly cyclic. Examples that may be mentioned include a C9-12 alkane, a C13,14 alkane, and a C15-19 alkane.

[0121] Hydrocarbons such as a petroleum-derived mineral oil do not correspond to biodegradable liquid fat (a).

[0122] Preferably, the biodegradable liquid fat (a) is selected from plant-derived oils, ester oils, and mixtures thereof. "Ester oils" include synthetic glycerides, fatty esters (as explained above), and mixtures thereof. Plant-derived oils may include hydrocarbon oils, preferably alkanes, and more preferably a C15-19 alkane.

[0123] The quantity of the biodegradable liquid fat(s) (a) in the composition according to the present invention may be 10% by weight or more, preferably 30% by weight or more, more preferably 50% by weight or more, relative to the total weight of the composition.

[0124] In addition, the quantity of the biodegradable liquid fat(s) (a) in the composition according to the present invention may be 80% by weight or less, preferably 75% by weight or less, and even more preferably 70% by weight or less, relative to the total weight of the composition.

[0125] The quantity of the biodegradable liquid fat(s) (a) in the composition according to the present invention can be from 10% to 80% by weight, of preference of 30% to 75% by weight, and more preferably of 50% to 70% by weight, relative to the total weight of the composition.

[0126] (Alkaline agent)

[0127] The composition according to the present invention comprises (b) at least one alkali agent. If two or more alkali agents (b) are used, they may be identical or different.

[0128] The alkali agent (c) may be selected from ammonia, alkanolamines, alkanolamine derivatives (alkanolamine derivatives), and salts of alkanolamines or alkanolamine derivatives.

[0129] Alkanolamines have an alkane structure with at least one hydroxyl group and at least one amino group.

[0130] Examples of alkanolamines include mono-, di- and tri-ethanolamines. The alkanolamine may be selected from the group consisting of monoethanolamine, diethanolamine, triethanolamine, monoisopropanolamine, diisopropanolamine, N-dimethylethanolamine, 2-amino-2-methyl-l-propanol, triisopropanolamine, 2-amino-2-methyl-l,3-propanediol, 3-amino-l,2-propanediol, 3-dimethylamino-l,2-propanediol, tris(hydroxymethylamino)methane, and a mixture thereof.

[0131] The alkanolamine derivative can be selected from alkanolamines in which the hydrogen atom on the nitrogen atom, if any, of the amino group in the alkanolamines is substituted by at least one substituent.

[0132] As a substituent, one can mention, for example, an alkyl group, an alkenyl group and an alkynyl group.

[0133] The alkyl group may be linear, branched, or cyclic. The alkyl group may be a C1-C6 alkyl group, linear or branched, preferably a C1-C4 alkyl group, such as a methyl group, an ethyl group, a propyl group, an i-propyl group, or a butyl group. Alternatively, the alkyl group may be a C3-C6 cyclic alkyl group, such as a cyclopentyl group or a cyclohexyl group.

[0134] The alkenyl group may be a C2-C6 alkenyl group such as a vinyl group, an allyl group, a butylene group, a pentenyl group and a hexenyl group.

[0135] The alkynyl group can be a C2-C6 alkynyl group such as an ethynyl group, and a propanyl group.

[0136] The above substituent may further be substituted by at least one group such as a halogen atom, a nitro group, a cyano group, a hydroxyl group and an aromatic group such as a phenyl group.

[0137] The type of alkanolamine salts and alkanolamine derivatives is not limited. The salts may be acid salts. Examples of acid salts include, for example, For example, inorganic acid salts such as hydrochloride, sulfates, nitrates and phosphates, and organic acid salts such as citrates, oxalates, acetates, formates, maleates and tartrates.

[0138] The amount of the alkali agent (alkali agents) (b) in the composition according to the present invention may be 0.1% by weight or more, preferably 0.5% by weight or more, and more preferably 1% by weight or more, relative to the total weight of the composition.

[0139] The amount of the alkali agent (alkali agents) (b) in the composition according to the present invention may be 20% by weight or less, preferably 15% by weight or less, and more preferably 10% by weight or less, relative to the total weight of the composition.

[0140] The quantity of the alkali agent (alkali agents) (b) in the composition according to the present invention can be from 0.1% to 20% by weight, preferably from 0.5% to 15% by weight, and more preferably from 1% to 10% by weight, relative to the total weight of the composition.

[0141] (Thickener)

[0142] The composition according to the present invention comprises (c) at least one thickener. Only one type of thickener may be used, but two or more different types of thickener may be used in combination.

[0143] It is preferable that the thickener (c) be selected from polysaccharides, since polysaccharides are biodegradable.

[0144] Polysaccharides are, for example, selected from glucans, modified and unmodified starches (such as those derived, for example, from cereals, e.g. wheat, maize or rice, vegetables, e.g. yellow peas, and tubers, e.g. potatoes or cassava), amylose, amylopectin, glycogen, dextran, celluloses, and derivatives thereof (e.g., methylcelluloses, hydroxyalkylcelluloses, hydroxyethylcelluloses and carboxymethylcelluloses), mannans, xylans, lignins, arabans, galactans, galacturonans, chitins, chitosan, glucuronoxylans, arabinoxylans, xyloglucans, glucomannans, pectic acids, and pectins, alginic acid and alginates, arabinogalactans, carrageenans, agar-agars, glycosaminoglucans, gum arabic, tragacanth gum, ghatti gum, karaya gum, locust bean gum, galactomannans,such as guar gum, and non-ionic derivatives thereof (e.g., hydroxypropyl guar), sclerotium gum and xanthan gum, and mixtures thereof.

[0145] For example, the polysaccharides that can be used are chosen from those described, for example, in "Encyclopedia of Chemical Technology", Kirk-Othmer, Third Edition, 1982, Volume 3, pages 896-900, and Volume 15, pages 439-458, in "Polymers in Nature" by EA MacGregor and CT Greenwood, published by John Wiley & Sons, Chapter 6, pages 240-328, 1980, and in "Industrial Gums-Polysaccharides and their Derivatives", edited by Roy L. Whistler, Second edition, published by Academie Press Inc.

[0146] For example, starches, guar gums, celluloses, and derivatives thereof may be used.

[0147] Among the starches that can be used, one can mention, for example, macromolecules in the form of polymers comprising basic units that are anhydroglucose units. The number of these units and their arrangement allow for a distinction to be made between amylose (linear polymer) and amylopectin (branched polymer). The relative proportions of amylose and amylopectin, as well as their degree of polymerization, can vary according to the botanical origin of the starches.

[0148] The starch molecules used may have cereals or tubers as their botanical origin. Thus, the starches may be, for example, chosen from corn, rice, cassava, tapioca, barley, potato, wheat, sorghum and pea starches.

[0149] Starches generally exist in the form of a white powder, insoluble in cold water, with an elementary particle size in the range of 3 to 100 microns.

[0150] The starches may optionally be hydroxyalkylated at Ci-C6 or acylated at Ci-C6 (such as acetylated). The starches may also have undergone heat treatments.

[0151] Distarch phosphates or compounds rich in distarch phosphate, such as the product supplied 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, may also be used.

[0152] Guar gums may be modified or unmodified.

[0153] Unmodified guar gums are, for example, the products sold under the name Vidogum GH 175 by the Unipectine company and under the names Meypro-Guar 50 and Jaguar C by the Meyhall company.

[0154] Modified non-ionic guar gums are, for example, modified by Ci-C6 hydroxyalkyl groups.

[0155] Among the hydroxyalkyl groups that can be mentioned, for example, are the hydroxymethyl, hydroxyethyl, hydroxypropyl and hydroxybutyl groups.

[0156] These guar gums are well known in the prior art and can be prepared, for example, by reacting the corresponding alkene oxides such as oxides of propylene, with guar gum in order to obtain a guar gum modified by hydroxypropyl groups.

[0157] The degree of hydroxyalkylation, which corresponds to the number of alkylene oxide molecules consumed by the number of free hydroxyl functions present on the guar gum, can, for example, be in a range of 0.4 to 1.2.

[0158] Such non-ionic guar gums optionally modified by hydroxyalkyl groups are sold, for example, under the brand names Jaguar HP8, Jaguar HP60, Jaguar HP120, Jaguar DC 293 and Jaguar HP 105 by the company Rhodia Chimie (Meyhall) or under the name Galactasol 4H4FD2 by the company Aqualon.

[0159] Among the celluloses and cellulose derivatives, such as cellulose modified with hydroxylalkyl groups, that are used, are, for example, hydroxypropyl methylcellulose, hydroxyethylcellulose, and hydroxypropyl cellulose, as well as hydrophobic hydroxypropyl methylcellulose. Examples include the products sold under the names Klucel EF, Klucel H, Klucel LHF, Klucel MF, and Klucel G by the Aqualon company.

[0160] It is preferable that the thickener (c) be selected from among hydrophilic thickeners. Hydrophilic thickeners can thicken an aqueous phase formed by water (d) in the composition according to the present invention.

[0161] It is preferable that the thickener (c) be selected from cellulose derivatives, modified guar gums, and mixtures thereof, more preferably hydroxyalkylcelluloses, guar gums modified by Ci-C6 hydroxyalkyl groups, and mixtures thereof, and even more preferably hydroxyethylcellulose, hydroxypropyl guar, and mixtures thereof.

[0162] The quantity of the thickener (thickeners) (c) in the composition according to the present invention may be 0.01% by weight or more, preferably 0.05% by weight or more, and more preferably 0.1% by weight or more, relative to the total weight of the composition.

[0163] The quantity of the thickener (thickeners) (c) in the composition according to the present invention may be 10% by weight or less, preferably 5% by weight or less, and more preferably 1% by weight or less, relative to the total weight of the composition.

[0164] The quantity of the thickener (thickeners) (c) in the composition according to the present invention can be from 0.01% to 10% by weight, preferably from 0.05% to 5% by weight, and more preferably from 0.1% to 1% by weight, relative to the total weight of the composition.

[0165] (Water)

[0166] The composition according to the present invention comprises water (d).

[0167] Water (d) can form an aqueous phase of the composition according to the present invention while the biodegradable liquid fat (a) can form an oily phase.

[0168] If the composition according to the present invention is in the form of an O / W or W / E emulsion, the aqueous phase of the composition according to the present invention may be dispersed or internal phases in the O / W emulsion or a continuous or external phase in the W / E emulsion.

[0169] The quantity of water (d) in the composition according to the present invention may be 10% by weight or more, preferably 15% by weight or more, and more preferably 20% by weight or more, relative to the total weight of the composition.

[0170] Furthermore, the quantity of water (d) in the composition according to the present invention may be 50% by weight or less, preferably 45% by weight or less, and more preferably 40% by weight or less, relative to the total weight of the composition.

[0171] The quantity of water (d) may be from 10% to 50% by weight, preferably from 15% to 45% by weight, and more preferably from 20% to 40% by weight, relative to the total weight of the composition.

[0172] The pH of the composition according to the present invention may be greater than 7, preferably 7.5 or more, and more preferably 8 or more. Thus, the composition according to the present invention is alkaline. Preferably, the pH of the composition according to the present invention may be 13 or less, more preferably 12 or less, and even more preferably 11 or less.

[0173] The pH can be adjusted to the desired value using the alkaline agent(s) (b) and / or at least one acidifying agent.

[0174] Acidifying agents may be, for example, mineral or organic acids, for example hydrochloric acid, phosphoric acid, carboxylic acids, for example tartaric acid, citric acid and lactic acid, or sulfonic acids, or ascorbic acid.

[0175] The acidifying agent may be present in an amount in the range of less than 1% by weight, preferably 0.5% by weight or less, and more preferably 0.3% by weight or less, relative to the total weight of the composition.

[0176] (Non-ionic surfactant)

[0177] The composition according to the present invention may comprise (e) at least one nonionic surfactant. Only one type of nonionic surfactant may be used, but two or more different types of nonionic surfactants may be used in combination.

[0178] The nonionic surfactant may have an HLB (hydrolipophilic ratio) value of 3.0 to 7.0, preferably 3.5 to 6.0, and more preferably 4.0 to 5.0. Alternatively, the nonionic surfactant may have an HLB value of 11 to 17, preferably 12 to 16, and more preferably 13 to 15. If two or more nonionic surfactants are used, the HLB value is determined by the weighted average of the HLB values ​​of all the nonionic surfactants.

[0179] The non-ionic surfactant may be selected from:

[0180] (1) surfactants selected from polyglyceryl fatty acid esters, alkyl polyoxyalkylated glycerides and polyoxyalkylated fatty ethers;

[0181] (2) mixed esters of fatty acid or fatty alcohol, carboxylic acid and glycerol;

[0182] (3) fatty acid esters of sugars and fatty alcohol ethers of sugars;

[0183] (4) surfactants selected from fatty sorbitan esters and fatty esters oxyalkylated sorbitan, and oxyalkylated fatty esters;

[0184] (5) sequenced copolymers of ethylene oxide (A) and propylene oxide (B),

[0185] (6) polyoxyethylenated (1-40 EO) alkyl (Ci6-C30) ethers and polyoxypropylene (1-30 PO),

[0186] (7) silicone surfactants, and

[0187] (8) mixtures of these.

[0188] The surfactant (1) may be a fluid at a temperature less than or equal to 45 °C.

[0189] The surfactant (1) may in particular be:

[0190] - polyglyceryl fatty acid esters of at least one, preferably one, acid fat comprising at least one C8-C22 hydrocarbon group, saturated or unsaturated, linear or branched, such as a C8-C22 alkyl or alkenyl group, preferably a C8-Ci8 alkyl or alkenyl group, and more preferably a C8-Ci2 alkyl or alkenyl group, and 2 to 12 glycerols, preferably 2 to 10 glycerols and more preferably 2 to 8 glycerols;

[0191] - polyoxyethylenated alkyl glycerides (PEGyls) such as derivatives of polyethylene glycol of a mixture of mono-, di- and tri-glycerides of caprylic and capric acids (preferably 2 to 30 ethylene oxide units, more preferably 2 to 20 ethylene oxide units, and even more preferably 2 to 10 ethylene oxide units), for example, PEG-6 caprylic / capric glycerides, PEG-7 caprylic / capric glycerides and PEG-7 glyceryl cocoate;

[0192] - polyoxyethylenated fatty ethers of at least one, preferably one, fatty alcohol comprising at least one C8-C22 hydrocarbon group, saturated or unsaturated, linear or branched, such as a C8-C22 alkyl or alkenyl group, preferably a C8-C18 alkyl or alkenyl group, and more preferably an alkyl or alkenyl group in C8-Ci2, and from 2 to 60 ethylene oxides, preferably from 2 to 30 ethylene oxides, and more preferably from 2 to 10 ethylene oxides; and

[0193] - mixtures of these.

[0194] It is preferable that the polyglyceryl fatty acid ester have a polyglycerol group derived from 2 to 10 glycerols, more preferably from 2 to 8 glycerols, and even more preferably from 4 to 6 glycerols.

[0195] The polyglyceryl fatty acid ester may be selected from mono, di and tri esters of saturated or unsaturated acid, preferably of saturated acid, including 8 to 22 carbon atoms, preferably 8 to 18 carbon atoms, and more preferably 8 to 12 carbon atoms, such as caprylic acid, capric acid, lauric acid, oleic acid, stearic acid, isostearic acid and myristic acid.

[0196] The polyglyceryl fatty acid ester may be selected from the group consisting of PG2 caprate, PG2 dicaprate, PG2 tricaprate, PG2 caprylate, PG2 dicaprylate, PG2 tricaprylate, PG2 laurate, PG2 dilaurate, PG2 trilaurate, PG2 myristate, PG2 dimyristate, PG2 trimyristate, PG2 stearate, PG2 distearate, PG2 tristearate, PG2 isostearate, PG2 diisostearate, PG2 triisostearate, PG2 oleate, PG2 dioleate, PG2 trioleate, PG3 caprate, dicaprate PG3, PG3 tricaprate, PG3 caprylate, PG3 dicaprylate, PG3 tricaprylate, PG3 laurate, PG3 dilaurate, PG3 trilaurate, PG3 myristate, PG3 dimyristate, PG3 trimyristate, PG3 stearate, PG3 distearate, PG3 tristearate, PG3 isostearate, PG3 diisostearate, PG3 triisostearate, PG3 oleate, PG3 dioleate,PG3 trioleate, PG4 caprate, PG4 dicaprate, PG4 tricaprate, PG4 caprylate, PG4 dicaprylate, PG4 tricaprylate, PG4 laurate, PG4 dilaurate, PG4 trilaurate, PG4 myristate, PG4 dimyristate, PG4 trimyristate, PG4 stearate, PG4 distearate, PG4 tristearate, PG4 isostearate, PG4 diisostearate, PG4 triisostearate, PG4 oleate, PG4 dioleate, PG4 trioleate, PG5 caprate, PG5 dicaprate, PG5 tricaprate, PG5 caprylate, PG5 dicaprylate, PG5 tricaprylate, PG5 laurate, PG5 dilaurate, PG5 trilaurate, PG5 myristate, PG5 dimyristate, PG5 trimyristate, PG5 stearate, PG5 distearate, PG5 Tristearate, PG5 isostearate, PG5 diisostearate, PG5 triisostearate, PG5 oleate, PG5 dioleate, PG5 trioleate, PG6 caprate, PG6 dicaprate,PG6 tricaprate, PG6 caprylate, PG6 dicaprylate, PG6 tricaprylate, PG6 laurate, PG6 dilaurate, PG6 trilaurate, PG6 myristate, PG6 dimyristate, PG6 trimyristate, PG6 stearate, PG6 distearate, PG6 tristearate, PG6 isostearate, PG6, PG6 diisostearate, PG6 triisostearate, PG6 oleate, PG6 dioleate, PG6 trioleate, PG10 caprate, PG10 dicaprate, PG10 tricaprate, PG10 caprylate, PG10 dicaprylate, PG10 tricaprylate, PG10 laurate, PG10 dilaurate, PG10 trilaurate, PG10 myristate, PG10 dimyristate, PG10 trimyristate, PG10 stearate, PG10 distearate, PG10 tristearate, PG10 isostearate, PG10 diisostearate PG10, PG10 triisostearate, PG10 oleate, PG10 dioleate and PG10 trioleate.

[0197] Polyoxyalkylated fatty ethers, preferably polyoxyethylated fatty ethers, may comprise from 2 to 60 ethylene oxide units, preferably from 2 to 30 ethylene oxide units, and more preferably from 2 to 10 ethylene oxide units. The fatty chain of the ethers may be selected in particular from lauryl, behenyl, arachidyl, stearyl, and cetyl units, and mixtures thereof, such as a cetearyl. Examples of ethoxylated fatty ethers that can be mentioned are lauryl alcohol ethers comprising 2, 3, 4, and 5 ethylene oxide units (CTFA names: Laureth-2, Laureth-3, Laureth-4 and Laureth-5), such as products sold under the names Nikkol BL-2 by Nikko Chemicals, Emalex 703 by Nihon Emulsion Co., Ltd, Nikkol BL-4 by Nikko Chemicals, and EMALEX 705 by Nihon Emulsion Co., Ltd.We can also mention, for example, stearyl alcohol ethers comprising 2, 3, 4 and 5 ethylene oxide units (CTFA names: Steareth-2, Steareth-3, Steareth-4 and Steareth-5), such as the products sold under the names Emalex 602 by Nihon Emulsion Co., Ltd., Emalex 603 by Nihon Emulsion Co., Ltd., Nikkol BS-4 by Nikko Chemicals, and Emalex 605 by Nihon Emulsion Co., Ltd.

[0198] Mixed esters (2) of fatty acids, or fatty alcohols, carboxylic acids, and glycerol, which can be used as the above-mentioned nonionic surfactant, may be selected in particular from the group comprising mixed esters of fatty acids or fatty alcohols with an alkyl or alkenyl chain containing 8 to 22 carbon atoms, preferably 8 to 18 carbon atoms, and more preferably 8 to 12 carbon atoms, and α-hydroxy acids and / or succinic acids, with glycerol. The α-hydroxy acid may be, for example, citric acid, lactic acid, glycolic acid, or malic acid, and mixtures thereof.

[0199] The alkyl chain of the fatty acids or alcohols from which the mixed esters that can be used in the nanoemulsion of the present invention are derived may be linear or branched, and saturated or unsaturated. In particular, it may consist of stearate, isostearate, linoleate, oleate, behenate, arachidonate, palmitate, myristate, laurate chains, caprate, isostearyl, stearyl, linoleyl, oleyl, behenyl, myristyle, lauryl or capryl, and mixtures thereof.

[0200] By way of examples of mixed esters which can be used in the nanoemulsion of the present invention, mention may be made of the mixed ester of glycerol and the mixture of citric acid, lactic acid, linoleic acid and oleic acid (CTFA name: glyceryl citrate / lactate / linoleate / oleate) sold by the Hüls company under the name Imwitor 375; the mixed ester of succinic acid and isostearyl alcohol with glycerol (CTFA name: diglyceryl isostearyl succinate) sold by the Hüls company under the name Imwitor 780 K; the mixed ester of citric acid and stearic acid with glycerol (CTFA name: glyceryl stearate citrate) sold by the Hüls company under the name Imwitor 370; the mixed ester of lactic acid and stearic acid with glycerol (name CTFA: glyceryl stearate lactate) sold by the Danisco company under the name Lactodan B30 or Rylo LA30.

[0201] Fatty acid esters of sugars (3), which can be used as the above nonionic surfactant, can be selected in particular from the group comprising esters or mixtures of C8-C22 fatty acid esters and sucrose, maltose, glucose or fructose, and esters or mixtures of C14-C22 fatty acid esters and methylglucose.

[0202] The C8-C22 or C14-C22 fatty acids forming the fatty acid unit of the esters that may be used in the present invention comprise a linear alkyl or alkenyl chain, saturated or unsaturated, containing, respectively, from 8 to 22 or from 14 to 22 carbon atoms. The fatty acid unit of the esters may be selected in particular from stearates, behenates, arachidonates, palmitates, myristates, laurates, and caprates, and mixtures thereof. Stearates are preferably used.

[0203] Examples of esters or mixtures of esters of fatty acids and sucrose, maltose, glucose or fructose include sucrose monostearate, sucrose distearate and sucrose tristearate and mixtures thereof, such as the products sold by the Croda company under the name Crodesta F50, F70, Fl 10 and F160; Examples of esters or mixtures of fatty acid and methylglucose esters that can be mentioned include polyglyceryl-3 methylglucose distearate, sold by the Goldschmidt company under the name Tego-care 450. Also worth mentioning are glucose or maltose monoesters such as methyl o-hexadecanoyl-6-D-glucoside and o-hexadecanoyl-6-D-maltoside.

[0204] Fatty alcohol ethers of sugars (3), which can be used as the above nonionic surfactant, can be solid at a temperature of 45 °C or lower and can be selected in particular from the group comprising C8-C22 fatty alcohol ethers or mixtures of glucose, maltose, sucrose ethers or fructose, and ethers or mixtures of ethers of a C14-C22 fatty alcohol and methylglucose. These are in particular alkyl polyglucosides.

[0205] The C8-C22 or C14-C22 fatty alcohols forming the fatty unit of the ethers that can be used in the nanoemulsion of the present invention comprise a linear alkyl or alkenyl chain, saturated or unsaturated, containing, respectively, from 8 to 22 or from 14 to 22 carbon atoms. The fatty unit of the ethers can be selected in particular from among the decyl, cetyl, behenyl, arachidyl, stearyl, palmityl, myristyle, lauryl, capryl, and hexadecanoyl units, and mixtures thereof, such as cetearyl.

[0206] Examples of sugar fatty alcohol ethers include alkyl polyglucosides such as decyl glucoside and lauryl glucoside, which is sold, for example, by the Henkel company under the respective names Plantaren 2000 and Plantaren 1200; cetostearyl glucoside, optionally in the form of a mixture with cetostearyl alcohol, sold, for example, under the name Montanov 68 by the SEPPIC company, under the name Tego-care CG90 by the Goldschmidt company and under the name Emulgade KE3302 by the Henkel company; and arachidyl glucoside, for example in the form of a mixture of arachidyl alcohol and behenyl alcohol and arachidyl glucoside, sold under the name Montanov 202 by the SEPPIC company.

[0207] The surfactant used more particularly is sucrose monostearate, sucrose distearate or sucrose tristearate and mixtures thereof, polyglyceryl-3 methylglucose distearate and alkylpolyglucosides.

[0208] As alkylpolyglucosides, those containing an alkyl group including from 6 to 30 carbon atoms, and preferably from 8 to 16 carbon atoms, and containing a hydrophilic (glucoside) group preferably comprising from 1.2 to 3 saccharide units, are preferably used.Examples include decylglucoside (Alkyl-C9 / Cl-polyglucoside (1,4)) such as the product marketed under the name MYDOL 10® by Kao Chemicals, the product marketed under the name PLANTAREN 2000 UP® by Cognis, and the product marketed under the name ORAMIX NS 10® by Seppic; caprylyl / capryl glucoside such as the product marketed under the name ORAMIX CG 110® by Seppic or PLANT AC ARE 810 P by Cognis; laurylglucoside such as the products marketed under the names PLANTAREN 1200 N® and PLANTACARE 1200® by Cognis; and coco-glucoside as the product marketed under the name PLANTACARE 818 / UP® by Cognis, cetostearyl glucoside optionally mixed with cetostearyl alcohol, for example marketed under the name MONTANOV 68 by Seppic, under the name TEGO-CARE CG90 by Goldschmidt and under the name EMULGADE KE3302 by Henkel; arachidyl glucoside, for example under the . in the form of a mixture of arachidic and behenic alcohols and arachidyl glucoside marketed under the name MONTANOV 202 by Seppic; cocoylethylglucoside, for example in the form of the mixture (35 / 65) with cetyl and stearyl alcohols, marketed under the name MONTANOV 82 by Seppic, C12-C20 alkyl glucosides such as those marketed in the form of a mixture with C14-C22 fatty alcohols under the reference MONTANOV L by Seppic.

[0209] The sorbitan fatty acid esters and sorbitan oxyalkylated fatty acid esters (4) that can be used as the above nonionic surfactant may be selected from the group comprising sorbitan 6-C22 fatty acid esters and sorbitan 6-C22 oxyethylated fatty acid esters. They may be formed of at least one fatty acid comprising at least one saturated linear alkyl chain containing, respectively, 16 to 22 carbon atoms, and sorbitol or ethoxylated sorbitol. The oxyethylated esters may generally comprise 1 to 100 units of ethylene glycol and preferably 2 to 40 units of ethylene oxide (EO).

[0210] These esters may be selected in particular from stearates, behenates, arachidates, palmitates, and mixtures thereof. Stearates and palmitates are preferably used.

[0211] By way of examples of the above nonionic surfactant which may be used in the present invention, mention may be made of sorbitan monostearate (CTFA name: sorbitan stearate), sold by the company ICI under the name Span 60, sorbitan monopalmitate (CTFA name: sorbitan palmitate), sold by the company ICI under the name Span 40, and sorbitan tristearate 20 EO (CTFA name: polysorbate 65), sold by the company ICI under the name Tween 65.

[0212] The oxyalkylated fatty esters (4), preferably ethoxylated fatty esters, which can be used as the above-mentioned nonionic surfactant, can be esters formed from 1 to 100 ethylene oxide units, preferably from 2 to 60 ethylene oxide units, and more preferably from 2 to 30 ethylene oxide units, and from at least one fatty acid chain containing from 8 to 22 carbon atoms, preferably from 8 to 18 carbon atoms, and more preferably from 8 to 12 carbon atoms. The fatty acid chain in the esters can be selected in particular from stearate, behenate, arachidate, and palmitate units, and mixtures thereof.Examples of ethoxylated fatty esters that can be mentioned are stearic acid ester comprising 40 ethylene oxide units, such as the product sold under the name Myrj 52 (CTFA name: PEG-40 stearate) by the company ICI, and behenic acid ester comprising 8 ethylene oxide units (CTFA name: PEG-8 behenate), such as the product sold under the name Compritol HD5 ATO by the company Gattefosse.

[0213] The sequenced copolymers (5) of ethylene oxide (A) and propylene oxide (B), which can be used as the above nonionic surfactant, can be selected in particular from the sequenced copolymers of formula (I):

[0214] HO(C2H4O)x(C3H6O)y(C2H4O)zH (I)

[0215] in which x, y and z are integers such that x+z is in a range of 2 to 100 and y is in a range of 14 to 60, and mixtures thereof, and more particularly among sequenced copolymers of formula (I) having an HLB value in a range of 8.0 to 14.0.

[0216] Polyoxyethylenated (1-40 EO) and polyoxypropylenated (1-30 PO) alkyl ethers (as Ci6-C3O) (6), which can be used as the above nonionic surfactant, can be selected from the group consisting of:

[0217] PPG-6 Decyltetradeceth-30; Polyoxyethylene (30) polyoxypropylene (6) tetradecyl ether such as those sold under the name Nikkol PEN-4630 of Nikko Chemicals Co.,

[0218] PPG-6 Decyltetradeceth-12; Polyoxyethylene (12) polyoxypropylene (6) tetradecyl ether such as those sold under the name Nikkol PEN-4612 of Nikko Chemicals Co.,

[0219] PPG-13 Decyltetradeceth-24; Polyoxyethylene (24) polyoxypropylene (13) decyltetradecyl ether such as those sold under the name UNILUBE 50MT-2200B by NOF Corporation,

[0220] PPG-6 Decyltetradeceth-20; Polyoxyethylene (20) polyoxypropylene (6) decyltetradecyl ether such as those sold under the name Nikkol PEN-4620 of Nikko Chemicals Co.,

[0221] PPG-4 Ceteth-1; Polyoxyethylene (1) polyoxypropylene (4) cetyl ether such as those sold under the name Nikkol PBC-31 of Nikko Chemicals Co.,

[0222] PPG-8 Ceteth-1; Polyoxyethylene (1) polyoxypropylene (8) cetyl ether such as those sold under the name Nikkol PBC-41 of Nikko Chemicals Co.,

[0223] PPG-40 Ceteth-1; Polyoxyethylene (10) polyoxypropylene (4) cetyl ether such as those sold under the name Nikkol PBC-33 of Nikko Chemicals Co.,

[0224] PPG-4 Ceteth-20; Polyoxyethylene(20) polyoxypropylene(4) cetyl ether such as those sold under the name Nikkol PBC-34 of Nikko Chemicals Co.,

[0225] PPG-5 Ceteth-20; Polyoxyethylene(20) polyoxypropylene(5) cetyl ether such as those sold under the name Procetyl AWS by Croda Inc.,

[0226] PPG-8 Ceteth-20; Polyoxyethylene(20) polyoxypropylene(8) cetyl ether such as those sold under the name Nikkol PBC-44 of Nikko Chemicals Co., and

[0227] PPG-23 Steareth-34; Polyoxyethylene polyoxypropylene (34EO)(23PO) stearyl ether such as those sold under the name Unisafe 34S-23 by Pola Chemical Industries. They can provide a composition having stability for a long duration, even if the temperature of the composition is increased and decreased in a relatively short period of time.

[0228] It is more preferable that polyoxyethylenated (1-40 EO) and polyoxypropylenated (1-30 PO) alkyl ethers (in Ci6-C24) are polyoxypropylenated (5-30 PO) alkyl ethers (in Ci6-C24), which can be selected from the group consisting of PPG-6 decyltetradeceth-30, PPG-13 decyltetradeceth-24, PPG-6 decyltetradeceth-20, PPG-5 ceteth-20, PPG-8 ceteth-20 and PPG-23 steareth-34.

[0229] It is even more preferable that the polyoxyethylenated (1-40 EO) and polyoxypropylenated (1-30 PO) alkyl ethers (in C16-C24) are polyoxypropylenated (5-30 PO) alkyl ethers (in C16-C24), which can be selected from the group consisting of PPG-6 decyltetradeceth-30, PPG-13 decyltetradeceth-24, PPG-5 ceteth-20 and PPG-8 ceteth-20.

[0230] As silicone surfactants (7) that can be used as the above nonionic surfactant, mention may be made of those disclosed in documents US-A-5364633 and US-A-5411744.

[0231] The silicone surfactant (7) such as the nonionic surfactant above may preferably be a compound of formula (I):

[0232] in which:

[0233] Ri, R2 and R3, independently of each other, represent a Cr C6 alkyl radical or a -(CH2)x-(OCH2CH2)y-(OCH2CH2CH2)z-OR4 radical, at least one Rb radical R2 or R3 not being an alkyl radical; R4 being a hydrogen, an alkyl radical or an acyl radical;

[0234] A is an integer in the range of 0 to 200;

[0235] B is an integer in the range of 0 to 50; provided that A and B do not are not simultaneously equal to zero;

[0236] x is an integer in the range of 1 to 6;

[0237] y is an integer in the range of 1 to 30; and

[0238] z is an integer in the range of 0 to 5.

[0239] According to a preferred embodiment of the present invention, in the compound of formula (I), the alkyl radical is a methyl radical, x is an integer in the range of 2 to 6, and y is an integer in the range of 4 to 30.

[0240] By way of examples of silicone surfactants of formula (I), mention may be made of compounds of formula (II): (CH3)3SiO - [(CH^SiOK - (CH3SiO)B - Si(CH3)3 (II) (CH2)2-(OCH2CH2)y-OH

[0241] in which A is an integer in the range of 20 to 105, B is an integer in the range of 2 to 10, and y is an integer in the range of 10 to 20.

[0242] By way of examples of silicone surfactants of formula (I), the compounds of formula (III) may also be mentioned:

[0243] H-(OCH2CH2)y-(CH2)3-[(CH3)2SiO]A-(CH2)3-(OCH2CH2)y-OH(ni)

[0244] in which A' and y are integers in a range of 10 to 20.

[0245] The compounds of the present invention that may be used are those sold by the Dow Corning company under the names DC 5329, DC 7439-146, DC 2-5695 and Q4-3667. The compounds DC 5329, DC 7439-146 and DC 2-5695 are compounds of formula (II) in which, respectively, A is 22, B is 2 and y is 12; A is 103, B is 10 and y is 12; A is 27, B is 3 and y is 12.

[0246] Compound Q4-3667 is a compound of formula (III) in which A is 15 and y is 13.

[0247] It is preferable that the non-ionic surfactant (e) be liquid.

[0248] The term "liquid" here refers to having a fluidity at room temperature (25 °C) under atmospheric pressure (760 mmHg).

[0249] It is more preferable that the liquid nonionic surfactant be selected from among the liquid alkyl polyglucosides.

[0250] The quantity of the non-ionic surfactant(s) (e) in the composition according to the present invention may be 0.1% by weight or more, preferably 0.5% by weight or more, and more preferably 1% by weight or more relative to the total weight of the composition.

[0251] Furthermore, the quantity of the non-ionic surfactant(s) (e) in the composition according to the present invention may be 15% by weight or less, preferably 10% by weight or less, and more preferably 5% by weight or less relative to the total weight of the composition.

[0252] The quantity of the non-ionic surfactant(s) (e) in the composition according to the present invention may be in a range of 0.1% to 15% by weight, preferably from 0.5% to 10% by weight, more preferably from 1% to 5% by weight relative to the total weight of the composition.

[0253] (Dye)

[0254] The composition according to the present invention may comprise (f) at least one dye. If two or more dyes (f) are used, they may be identical or different.

[0255] It is preferable that the dye be selected from among the oxidative dyes.

[0256] Oxidative dyes can be selected from oxidation bases and couplers.

[0257] The oxidation base can be selected from those conventionally known in oxidative dyeing, preferably from the group consisting of ortho- and para-phenylenediamines, double bases, ortho- and para-aminophenols, heterocyclic bases, and acid addition salts thereof.

[0258] In particular, we can mention:

[0259] - (I) para-phenylenediamines of the following formula (I) and their addition salts with an acid: NR,Rg 1 .R; T' J

[0260] in which:

[0261] Ri represents a hydrogen atom, a Ci-C4 alkyl radical, a monohydroxy(CrC4 alkyl) radical, a polyhydroxy-(C2-C4 alkyl) radical, an alkoxy (Ci-C4)-alkyl (Ci-C4) radical, a CrC4 alkyl radical substituted with a nitrogen-containing group, a phenyl radical, or a 4'-aminophenyl radical;

[0262] R2 represents a hydrogen atom, a CrC4 alkyl radical, a monohydroxy(Ci-C4 alkyl) radical, a polyhydroxy(C2-C4 alkyl) radical, an alkoxy(CrC4)-alkyl(CrC4) radical, or a CrC4 alkyl radical substituted with a nitrogen-containing group;

[0263] Ri and R2 can also form with the nitrogen atom bearing them a heterocycle containing nitrogen with 5 or 6 links optionally substituted by one or more alkyl, hydroxyl or ureido groups;

[0264] R3 represents a hydrogen atom, a halogen atom such as a chlorine atom, a CrC4 alkyl radical, a sulfo radical, a carboxyl radical, a monohydroxy (Ci-C4 alkyl) radical, a hydroxy (Ci-C4 alkoxy) radical, an acetylamino (CrC4 alkoxy) radical, a mesylamino (CrC4 alkoxy) radical, or a carbamoylamino (CrC4 alkoxy) radical; and

[0265] R4 represents a hydrogen or halogen atom or a C1-C4 alkyl radical.

[0266] Among the nitrogen-containing groups of formula (I) above, particular mention may be made of amino, mono-alkylamino (in C1-C4), dialkylamino (in C1-C4), trialkylamino (in CrC4), monohydroxy-alkylamino (in CrC4), di(monohydroxy-alkyl (in Ci-C4))amino, imidazolinium and ammonium radicals.

[0267] Among the para-phenylenediamines of formula (I) above, particular mention may be made of para-phenylenediamine, para-tolylenediamine, 2-chloro-paraphenylenediamine, 2,3-dimethyl-para-phenylenediamine, 2,6-dimethyl-para-phenylenediamine, 2,6-diethyl-para-phenylenediamine, 2,5-dimethyl-para-phenylenediamine, N,N-dimethylpara-phenylenediamine, N,N-diethyl-para-phenylenediamine, N,N-dipropyl-paraphenylenediamine, 4-amino-N,N-diethyl-3-methylaniline, N,N-bis([3-hydroxyethyl)-paraphenylenediamine, 4-N,N-bis([3-hydroxyethyl)amino-2-methylaniline, 4-N,N-bis([3-hydroxyethyl)amino-2-chloroaniline, 2-[3-hydroxyethyl-para-phenylenediamine, 2-fluoro-paraphenylenediamine, 2-isopropyl-para-phenylenediamine, N-([3-hydroxypropyl)-paraphenylenediamine, 2-hydroxymethyl-para-phenylenediamine, N,N-dimethyl-3-methylpara-phenylenediamine, N,N-(ethyl-[3-hydroxyethyl)-para-phenylenediamine, N-([3,y-dihydroxypropyl)-para-phenylenediamine, N-(4'-aminophenyl)-para-phenylenediamine, N-phenyl-para-phenylenediamine, 2-[3-hydroxyethyloxy-para-phenylenediamine, 2-[3-acetylamino-ethyloxy-para-phenylenediamine, N-([3-methoxyethyl)-para-phenylenediamine, 2-methyl-1N-[3-hydroxyethyl-para-phenylenediamine, N-(4-aminophenyl)-3-hydroxy-pyrrolidine, 2-[{2-[(4-aminophenyl)amino]ethyl}(2-hydroxyethyl)amino]ethanol, and their acid addition salts. ,

[0268] Among the para-phenylenediamines of formula (I) above, the particularly preferred of all are para-phenylenediamine, para-tolylenediamine, 2-isopropyl-paraphenylenediamine, 2-[3-hydroxyethyl-para-phenylenediamine, 2-[>-hydroxyethyloxy-para-phenylenediamine, 2,6-dimethyl-para-phenylenediamine, 2,6-diethyl-para-phenylenediamine, 2,3-dimethyl-para-phenylenediamine, N,N-bis([3-hydroxyethyl)-para-phenylenediamine, 2-chloro-para-phenylenediamine, and their addition salts with an acid.

[0269] - (II) According to the present invention, "double bases" are understood as designating compounds containing at least two aromatic rings on which amino and / or hydroxyl groups are attached.

[0270] Among the dual bases that can be used as oxidation bases in dye compositions according to the present invention, one can include in particular mention the compounds corresponding to the following formula (II), and their salts of addition with an acid:

[0271] in which:

[0272] - Zi and Z2, which are identical or different, represent a hydroxyl radical or - NH2 which can be substituted by an alkyl radical in Ci-C4 or by a Y bonding arm;

[0273] - the Y-linking arm represents a linear or branched alkylene chain comprising of 1 to 14 carbon atoms, which may be interrupted by or which may terminate in one or more nitrogen-containing groups and / or one or more heteroatoms such as oxygen, sulfur or nitrogen atoms, and optionally substituted by one or more Ci-C6 hydroxyl or alkoxy radicals;

[0274] - R5 and R6 represent a hydrogen or halogen atom, an alkyl radical in Cr C4, a monohydroxy radical (Ci-C4 alkyl), a polyhydroxy radical (C2-C4 alkyl), an amino radical (CrC4 alkyl), or a Y-linking arm;

[0275] - R7, R8, R9, Rio, Ru and R2, which are identical or different, represent an atom of hydrogen, a Y-bonding arm, or an alkyl radical in CrC4; it being understood that compounds of formula (II) contain only one Y-bonding arm per molecule.

[0276] Among the nitrogen-containing groups of formula (II) above, particular mention may be made of amino, mono-alkylamino (CrC4), dialkylamino (Ci-C4), trialkylamino (Ci-C4), monohydroxy-alkylamino (Ci-C4), imidazolinium and ammonium radicals.

[0277] Among the double bases of formulas (II) above, special mention may be made of N,N'-bis([3-hydroxyethyl)-N,N'-bis(4'-aminophenyl)-1,3-diaminopropanol, N,N'-bis([3-hydroxyethyl)-N,N'-bis(4'-aminophenyl)ethylenediamine, N,N'-bis(4-aminophenyl)-tetramethylenediamine, N,N'-bis([3-hydroxyethyl)-N,N'-bis(4-aminophenyl)tetramethylenediamine, N,N'-bis(4-methylaminophenyl)tetramethylenediamine, N,N'-bis(ethyl)-N,N'-bis(4'-amino-3'-methylphenyl)ethylenediamine, 1,8-bis(2,5-diaminophenoxy)-3,5-dioxaoctane, and their addition salts with a acid.

[0278] Among these double bases of formula (II), N,N'-bis([3-hydroxyethyl)-N,N'-bis(4'-aminophenyl)-l,3-diaminopropanol, l,8-bis(2,5-diaminophenoxy)-3,5-dioxaoctane, or one of their addition salts with an acid are particularly preferred.

[0279] - (III) The para-aminophenols corresponding to the following formula (III), and their salts addition with an acid: OH HY <m> Y NH.,

[0280] in which:

[0281] - Rn represents a hydrogen atom, or a halogen atom such as fluorine, a alkyl radical in C1-C4, monohydroxy-alkyl (C1-C4), alkoxy (C1-C4)-alkyl (CrC4), amino(C1-C4 alkyl) or hydroxy-alkylamino (C1-C4)-(C1-C4 alkyl), and

[0282] - Rm represents a hydrogen atom, or a halogen atom such as fluorine, a alkyl radical in Ci-C4, monohydroxy(alkyl in C1-C4), polyhydroxy(alkyl in C2-C4), amino(alkyl in C1-C4), cyano(alkyl in C1-C4) or alkoxy (in Ci-C4)-alkyl (in C1-C4).

[0283] Among the para-aminophenols of formula (III) above, special mention may be made of para-aminophenol, 4-amino-3-methylphenol, 4-amino-3-fluorophenol, 4-amino-3-hydroxymethylphenol, 4-amino-2-methylphenol, 4-amino-2-hydroxymethylphenol, 4-amino-2-methoxymethylphenol, 4-amino-2-aminomethylphenol, 4-amino-2-([3-hydroxyethylaminomethyl)phenol, and their addition salts with an acid.

[0284] - (IV) Ortho-aminophenols that can be used as oxidation bases in the context of the present invention are chosen in particular from 2-aminophenol, 2-amino-l-hydroxy-5-methylbenzene, 2-amino-l-hydroxy-6-methylbenzene, 5-acetamido-2-aminophenol, and their salts of addition with an acid.

[0285] - (V) Among the heterocyclic bases that can be used as bases of oxidation in dye compositions according to the present invention, one can more particularly mention pyridine derivatives, pyrimidine derivatives, pyrazole derivatives, and their salts of addition with an acid.

[0286] Among the pyridine derivatives, special mention may be made of the compounds described for example in patents GB 1 026 978 and GB 1 153 196, such as 2,5-diaminopyridine, 2-(4-methoxyphenyl)amino-3-aminopyridine, 2,3-diamino-6-methoxypyridine, 2-(fLmethoxyethyl)amino-3-amino-6-methoxypyridine, 3,4-diaminopyridine, and their addition salts with an acid.

[0287] Among the pyrimidine derivatives, we can more particularly mention the compounds described, for example, in patents DE 2 359 399; JP 88-169571; and JP 91-10659, or patent application WO 96 / 15765, such as 2,4,5,6-tetraaminopyrimidine, 4-hydroxy-2,5,6-triaminopyrimidine, 2-hydroxy-4,5,6-triaminopyrimidine, 2,4-dihydroxy-5,6-diaminopyrimidine, 2,5,6-triaminopyrimidine, and pyrazolopyrimidine derivatives such as those mentioned in patent application FR-A-2 750 048, among which may be mentioned pyrazolo[l,5-a]-pyrimidine-3,7-diamine; 2,5-dimethyl-pyrazolo[l,5-a]-pyrimidine-3,7-diamine; pyrazolo[l,5-a]pyrimidine-3,5-diamine; 2,7-dimethylpyrazolo[l,5-a]pyrimidine-3,5-diamine; 3-aminopyrazolo[l,5-a]pyrimidin-7-ol; 3-amino-pyrazolo[l,5-a]pyrimidin-5-ol;2-(3-aminopyrazolo-[l,5-a]pyrimidin-7-ylamino)ethanol, 2-(7-aminopyrazolo[l,5-a]pyrimidin-3-ylamino)ethanol, 2-[(3-aminopyrazolo[l,5-a]pyrimidin-7-yl)-(2-hydroxyethyl)amino]ethanol, 2-[(7-aminopyrazolo[l,5-a]-pyrimidin-3-yl)-(2-hydroxyethyl)amino]ethanol, 5,6-dimethylpyrazolo-[l,5-a]pyrimidine-3,7-diamine, 2,6-dimethylpyrazolo-[l,5-a]pyrimidine-3,7-diamine, 2,5,N7,N7-tetramethylpyrazolo[l,5-a]pyrimidine-3,7-diamine, 3-amino-5-methyl-7-imidazolylpropyl-aminopyrazolo[l,5-a]-pyrimidine, their addition salts and their tautomeric forms, when a tautomeric equilibrium exists, and their addition salts with an acid. ;

[0288] Among the pyrazole derivatives, special mention may be made of the compounds described in patents DE 3 843 892 and DE 4 133 957 and patent applications WO 94 / 08969, WO 94 / 08970, FR-A-2 733 749 and DE 195 43 988 such as 4,5-diamino-l-methylpyrazole, 3,4-diaminopyrazole, 4,5-diamino-l-(4'-chlorobenzyl)-pyrazole, 4,5-diamino-l,3-dimethylpyrazole, 4,5-diamino-3-methyl-l-phenylpyrazole, 4,5-diamino-l-methyl-3-phenylpyrazole, 4-amino-l,3-dimethyl-5-hydrazinopyrazole, the l-benzyl-4,5-diamino-3-methylpyrazole, 4,5-diamino-3-tert-butyl-l-methylpyrazole, 4,5-diamino-l-tert-butyl-3-methylpyrazole, 4,5-diamino-l-([3-hydroxyethyl)-3-methylpyrazole, 4,5-diamino-l-([3-hydroxyethyl)pyrazole, 4,5-diamino-l-ethyl-3-methylpyrazole, 4,5-diamino-l-ethyl-3-(4'-methoxyphenyl)pyrazole, 4,5-diamino-l-ethyl-3-hydroxy-methylpyrazole, 4,5-diamino-3-hydroxymethyl-l-methylpyrazole, 4,5-diamino-3-hydroxymethyl-l-isopropylpyrazole, 4,5-Diamino-3-methyl-l-isopropyl-pyrazole, 4-amino-5-(2'-aminoethyl)amino-l,3-dimethylpyrazole, 3,4,5-triaminopyrazole, l-methyl-3,4,5-triaminopyrazole, 3,5-diamino-l-methyl-4-methylaminopyrazole, 3,5-diamino-4-([3-hydroxyethyl)amino-l-methylpyrazole, and their acid addition salts.

[0289] Among the heterocyclic bases that can be used as oxidation bases, diaminopyrazolopyrazolones, and in particular 2,3-diamino-6,7-dihydro-1H5H-, are particularly noteworthy. [pyrazolol,2,a]pyrazol-l-one and the addition salts of these diaminopyrazolopyrazolones with an acid.

[0290] The coupler may be an oxidation coupler which may be selected from those conventionally known in oxidative dyeing, preferably from the group consisting of meta-phenylenediamines, meta-aminophenols, meta-diphenols, naphthols, heterocyclic couplers, and acid addition salts thereof.

[0291] Heterocyclic couplers may be selected from the group consisting of indole derivatives, indoline derivatives, sesamol and its derivatives, pyridine derivatives, pyrazolotriazole derivatives, pyrazolones, indazoles, benzimidazoles, benzothiazoles, benzoxazoles, 1,3-benzodioxoles, quinolines, and their addition salts with an acid.

[0292] These couplers are more particularly chosen from among 2,4-diamino-l-(|3-hydroxyethyloxy)benzene, 2-methyl-5-aminophenol, 5-N-([3-hydroxyethyl)amino-2-methylphenol, 3-aminophenol, 2-chloro-3-amino-6-methylphenol, 1,3-dihydroxybenzene, l,3-dihydroxy-2-methylbenzene, 4-chloro-1,3-dihydroxybenzene, 2-amino-4-([3-hydroxyethylamino)-l-methoxybenzene, 1,3-diaminobenzene, 2-methyl-5-hydroxyethylaminophenol, 4-amino-2-hydroxytoluene, l,3-bis(2,4-diaminophenoxy)propane, sesamol, l-amino-2-methoxy-4,5-methylenedioxybenzene, a-Naphthol, 6-hydroxyindole, 4-hydroxyindole, 4-hydroxy-N-methylindole, 6-hydroxy-indoline, 2,6-dihydroxy-4-methylpyridine, lH-3-methylpyrazol-5-one, l-phenyl-3-methylpyrazol-5-one, 2-amino-3-hydroxypyridine, 3,6-dimethyl-pyrazolo[3,2-c]-l,2,4-triazole, 2,6-dimethylpyrazolo[l,5-b]-l,2,4-triazole, and their addition salts with an acid.

[0293] In general, the acid addition salts of the oxidation bases and the couplers are chosen in particular from hydrochlorides, hydrobromides, sulfates, citrates, succinates, tartrates, lactates, tosylates, benzenesulfonates, phosphates and acetates.

[0294] The quantity of the dye(s) (f) in the composition according to the present invention may be 0.1% by weight or more, preferably 0.5% by weight or more, and more preferably 1% by weight or more, relative to the total weight of the composition.

[0295] Furthermore, the quantity of the dye(s) (f) in the composition according to the present invention may be 15% by weight or less, preferably 10% by weight or less, and more preferably 5% by weight or less, relative to the total weight of the composition.

[0296] The quantity of the dye(s) (f) in the composition according to the present invention may be from 0.1% to 15% by weight, preferably from 0.5% to 10% by weight, and of a more preferred method of 1% to 5% by weight, relative to the total weight of the composition.

[0297] (Other ingredients)

[0298] The composition according to the present invention may also include at least one optional or additional ingredient.

[0299] The quantity of the optional or additional ingredient(s) is not limited, but may be from 0.01% to 30% by weight, preferably from 0.1% to 20% by weight, and more preferably from 1% to 10% by weight, relative to the total weight of the composition according to the present invention.

[0300] The optional or additional ingredient(s) may be selected from the group consisting of cationic, anionic or amphoteric surfactants; UV filters; peptides and derivatives thereof; protein hydrolysates; swelling agents and penetrating agents; hair loss control agents; anti-dandruff agents; suspending agents; sequestering agents; opacifying agents; vitamins or provitamins; perfumes; preservatives, stabilizers; and mixtures thereof.

[0301] The aqueous phase of the composition according to the present invention may include, in addition to water, one or more cosmetically acceptable organic solvents, which may be alcohols: in particular monovalent alcohols such as ethyl alcohol, isopropyl alcohol, benzyl alcohol and phenylethyl alcohol; sugars; carbohydrate alcohols; and ethers such as monomethyl, monoethyl and monobutyl ethers of ethylene glycol, a monomethyl, monoethyl and monobutyl ether of propylene glycol, and monomethyl, monoethyl and monobutyl ethers of butylene glycol.

[0302] The organic solvent(s) may then be present in a concentration of 0.01% to 30% by weight, preferably 0.1% to 20% by weight, and more preferably 1% to 15% by weight, relative to the total weight of the composition.

[0303] It is preferable that the composition according to the present invention be free from non-biodegradable or poorly biodegradable ingredients such as mineral oil.

[0304] The quantity of non-biodegradable or poorly biodegradable ingredients such as mineral oil in the composition according to the present invention may be 1% by weight or less, preferably 0.1% by weight or less, and more preferably 0.01% by weight or less, relative to the total weight of the composition. In particular, it is preferable that the composition according to the present invention not include non-biodegradable or poorly biodegradable ingredients such as mineral oil.

[0305] (Preparation)

[0306] The composition according to the present invention can be prepared by mixing the essential and optional ingredients described above in a conventional manner.

[0307] For example, the composition according to the present invention can be prepared by a process comprising the step of

[0308] mixture of

[0309] (a) at least one biodegradable liquid fat;

[0310] (b) at least one alkaline agent;

[0311] (c) at least one thickener; and

[0312] (d) water, and optionally (e) at least one non-ionic surfactant and / or (f) to minus a dye,

[0313] in which

[0314] the quantity of the biodegradable liquid fat(s) (a) is 10% by weight or more, preferably 30% by weight or more, and more preferably 50% by weight or more, relative to the total weight of the composition.

[0315] For ingredients (a) to (f) above, those explained above may be used.

[0316] It is also possible to mix in any of the optional ingredients.

[0317] The above process can be carried out without heating. For example, the process described below- This can be done at room temperature (25 °C).

[0318] Since the biodegradable liquid fat (a) used for the composition according to the present invention is already in liquid form at room temperature, it is not necessary to heat the biodegradable fat to melt it when carrying out the above process to prepare the composition according to the present invention. Therefore, the process for preparing the composition according to the present invention does not require much energy and is consequently environmentally friendly.

[0319] [Usage]

[0320] The composition according to the present invention is preferably used for cosmetic purposes on keratin fibers. Thus, the composition according to the present invention is preferably a cosmetic composition for keratin fibers, in particular for bleaching or coloring keratin fibers.

[0321] Examples of keratin fibers include hair, eyebrows and eyelashes.

[0322] If the composition according to the present invention explained above is used for bleaching keratin fibers such as hair, for example, the composition according to the present invention which does not include dye can be used in the form of a mixture with another composition comprising (g) at least one oxidizing agent explained below.

[0323] Alternatively, if the composition according to the present invention is used for dyeing keratin fibers such as hair, the composition according to the present invention which further includes (f) at least one dye can be used in the form of a mixture with another composition comprising (g) at least one oxidizing agent.

[0324] The above composition including at least one oxidizing agent (g) can function as a developer.

[0325] The above mixture can be considered a ready-to-use composition. For the purposes of the present invention, the expression "ready-to-use composition" is defined herein as a composition to be applied immediately to keratin fibers such as hair. The ready-to-use composition can also be a cosmetic composition for keratin fibers, in particular for bleaching or coloring keratin fibers, such as hair.

[0326] The mixing ratio of the composition according to the present invention and another composition is not limited. The mixing ratio may be from 1:3 to 3:1, preferably from 1:2 to 2:1, and more preferably from 1:1, as a weight ratio thereof.

[0327] (Oxidizing agent)

[0328] The developer that can be combined with the composition according to the present invention includes at least one oxidizing agent (g). If two or more oxidizing agents (g) are used, they may be identical or different.

[0329] The oxidizing agent (g) may be selected from hydrogen peroxide, peroxygenated salts, and compounds capable of producing hydrogen peroxide by hydrolysis. For example, the oxidizing agent (g) may be selected from hydrogen peroxide, urea peroxide, alkali metal bromates, and ferricyanides and persalts such as perborates and persulfates. At least one oxidase enzyme selected, for example, from laccases, peroxidases, and 2-electron oxidoreductases, such as uricase, may also be used as the oxidizing agent (g), when appropriate in the presence of its respective donor or cofactor.

[0330] In one embodiment, the oxidizing agent (g) is hydrogen peroxide, and the developer is an aqueous solution of hydrogen peroxide.

[0331] In one embodiment, where the developer is an aqueous solution of hydrogen peroxide, the developer may comprise at least one hydrogen peroxide stabilizer, which may be selected, for example, from alkali metal and alkaline earth metal pyrophosphates, alkali metal and alkaline earth metal stannates, phenacetin, and acid and oxyquinoline salts, for example, oxyquinoline sulfate. In another embodiment, at least one stannate optionally in combination with at least one pyrophosphate is used.

[0332] It is also possible to use salicylic acid and its salts, pyridinedicarboxylic acid and its salts, and paracetamol.

[0333] In the developer in the form of an aqueous solution of hydrogen peroxide, the concentration of the hydrogen peroxide stabilizer can be in a range of 0.0001% to 5% by weight such as 0.01% to 2% by weight, relative to the total weight of the developer.

[0334] In the developer in the form of an aqueous solution of hydrogen peroxide, the concentration ratio of hydrogen peroxide to at least one stabilizer may be in a range of 0.05:1 to 1000:1, such as 0.1:1 to 500:1 and furthermore such as 1:1 to 200:1.

[0335] The quantity of the oxidizing agent (oxidizing agents) (g) in the developer may be 0.1% by weight or more, preferably 0.5% by weight or more, and more preferably 1% by weight or more, relative to the total weight of the composition.

[0336] The quantity of the oxidizing agent (oxidizing agents) (g) in the developer may be 20% by weight or less, preferably 15% by weight or less, and more preferably 10% by weight or less, relative to the total weight of the composition.

[0337] The quantity of the oxidizing agent (oxidizing agents) (g) in the developer may be from 0.1% to 20% by weight, preferably from 0.5% to 15% by weight, and more preferably from 1% to 10% by weight, relative to the total weight of the composition.

[0338] [Kit]

[0339] The present invention also relates to a kit for keratin fibers, preferably a cosmetic kit, and more preferably a cosmetic kit for bleaching or dyeing keratin fibers, in particular hair, comprising:

[0340] a first compartment comprising a first composition comprising

[0341] (a) at least one biodegradable liquid fat;

[0342] (b) at least one alkaline agent;

[0343] (c) at least one thickener; and

[0344] (d) water, and optionally (e) at least one non-ionic surfactant and / or (f) to minus a dye,

[0345] in which

[0346] the quantity of the biodegradable liquid fat(s) (a) is 10% by weight or more, preferably 30% by weight or more, and more preferably 50% by weight or more, relative to the total weight of the first composition,

[0347] and

[0348] a second compartment comprising a second composition comprising

[0349] (g) at least one oxidizing agent.

[0350] For ingredients (a) to (g) above, those explained above may be used.

[0351] It is possible to use the kit, for example, by dispensing or discharging the first composition from the first compartment, while dispensing or discharging the second composition from the second compartment, followed by treatment of keratin fibers such as hair with the mixture of the first and second compositions.

[0352] The mixture of the first and second compositions can be considered as the ready-to-use composition as explained above.

[0353] The mixing ratio of the first and second compositions is not limited. The mixing ratio may be from 1:3 to 3:1, preferably from 1:2 to 2:1, and more preferably from 1:1, as a weight ratio thereof.

[0354] [Procedure]

[0355] The present invention also relates to a method, preferably a cosmetic method, and more preferably a cosmetic method for bleaching or dyeing keratin fibers, in particular hair, comprising the steps of:

[0356] (1) mixture of a first composition and a second composition to prepare a mixture,

[0357] in which

[0358] the first composition comprises

[0359] (a) at least one biodegradable liquid fat,

[0360] (b) at least one alkaline agent,

[0361] (c) at least one thickener, and

[0362] (d) water, and optionally (e) at least one non-ionic surfactant and / or (f) to minus a dye,

[0363] in which

[0364] the quantity of the biodegradable liquid fat(s) (a) is 10% by weight or more, preferably 30% by weight or more, and more preferably 50% by weight or more, relative to the total weight of the first composition,

[0365] and

[0366] the second composition comprises

[0367] (g) at least one oxidizing agent;

[0368] and

[0369] (2) application of the mixture to the keratin fibers.

[0370] For ingredients (a) to (g) above, those explained above may be used.

[0371] The mixture of the first and second compositions can be considered as the ready-to-use composition as explained above.

[0372] The mixing ratio of the first and second compositions is not limited. The mixing ratio may be from 1:3 to 3:1, preferably from 1:2 to 2:1, and more preferably from 1:1, as a weight ratio thereof.

[0373] It is preferable that the process according to the present invention further include a washing step, with or without drying, of the keratin fibers before and / or after the step of applying the mixture of the first and second compositions, as a ready-to-use composition, to the keratin fibers.

[0374] The step of applying the ready-to-use composition to the keratin fibers can be carried out by a conventional applicator such as a brush, or even with the hands.

[0375] The keratin fibers to which the ready-to-use composition has been applied may be left for an appropriate time as required to treat the keratin fibers. The treatment time is not limited, but it may be from 1 minute to 1 hour, preferably from 1 minute to 30 minutes, and more preferably from 1 minute to 15 minutes. For example, the time to dye the keratin fibers may be from 1 to 20 minutes, preferably from 5 to 15 minutes.

[0376] Keratin fibers can be treated at room temperature. Alternatively, keratin fibers can be heated to 25 °C to 65 °C, preferably 30 °C to 60 °C, more preferably 35 °C to 55 °C, and even more preferably 40 °C to 50 °C, before and / or during and / or after the step of applying the ready-to-use composition to the keratin fibers.

[0377] EXAMPLES

[0378] The present invention will be described in more detail by means of examples. However, these examples should not be interpreted as limiting the scope of the present invention. The examples below are presented as non-limiting illustrations within the field of the present invention.

[0379] [Examples 1 to 3 and Comparative Example 1]

[0380] The following compositions according to Examples 1 to 3 and Comparative Example 1, shown in Table 1, were prepared by mixing the ingredients shown in Table 1. The numerical values ​​for the quantities of ingredients shown in Table 1 are all on the basis of "% by weight" as raw materials.

[0381] [Tables 1] Ex. 1 Ex. 2 Ex. 3 Ex. Comp. 1 Coco-Glucoside 1.30 1.30 1.30 1.30 Water q.s. 100 q.s. 100 q.s. 100 q.s. 100 q.s. 100 q.s. 100 q.s. 100 q.s. 100 Hydroxyethylcellulose 0.5 0.5 0.5 0.5 Hydroxypropyl guar 0.3 0.3 0.3 0.3 Sunflower seed oil 60.0 - - - Ethylhexyl palmitate - 60.0 - - C15-C19 alkane - - 60.0 - Mineral oil - - - 60.0 Ethanolamine 4.26 4.26 4.26 4.26 AAAA Discoloration Test

[0382] [Evaluations]

[0383] (Bleaching test)

[0384] Each of the compositions according to Examples 1 to 3 and Comparative Example 1 was mixed with the developer of the formulation shown in Table 2 below. The mixing weight ratio of the composition and the developer was 1 to 1.

[0385] [Tables2] % by weight Cetearyl alcohol 6 Steareth-20 5 Mineral oil 25 PEG-4 rapeseed amide 1.3 Tocopherol 0.1 Glycerin 0.5 Hexadimethrin chloride (approx. 60%) 0.25 Tetrasodium pyrophosphate 0.04 Hydrogen peroxide (approx. 50%) 18 Tetrasodium etidronate (approx. 30%) 0.2 Sodium salicylate 0.035 Polyquatemium-6 (approx. 40%) 0.5 Phosphoric acid q.s. pH 2.2 Water q.s. 100

[0386] 3 g of the mixture thus obtained were applied to 1 g of a braid of hair naturally black Chinese hair for 50 minutes at 27°C, followed by washing with water, shampooing, a single rinse and drying the braid.

[0387] The difference in color of the braid before and after the above bleaching process was evaluated using a Minolta CM-3600A. AE* was calculated by the following formula (1), based on CIE1976.

[0388] AE*; = {(Lr L0)2 + (ar a0)2+ (br b0)2}1 / 2 (1)

[0389] In formula (1), (L;, ai5 b;) refer to the values ​​(L*, a*, b*) of the hair braid after bleaching, and (Lo, a0, b0) refer to the values ​​(L*, a*, b*) of the hair braid before bleaching.

[0390] The AE* values ​​were noted according to the following criteria. The higher the AE* value, the greater the discoloration.

[0391] A: > 12

[0392] B: < 8 - 12

[0393] C: 4 - 8

[0394] D: < 4

[0395] The results are shown in Table 1.

[0396] It has been discovered that the compositions according to Examples 1 to 3 including a biodegradable liquid fat provide sufficient bleaching effects which are comparable to that obtained by the composition according to Comparative Example 1 including a mineral oil which has poor biodegradability.< / m>

Claims

Demands

1. Composition for keratin fibers, comprising: (a) at least one biodegradable liquid fat, said biodegradable fat being selected from plant-derived oils comprising C15-19 alkanes; (b) at least one alkaline agent; (c) at least one thickener; and (d) water, wherein the amount of the biodegradable liquid fat(s) (a) is 50% by weight or more, relative to the total weight of the composition.

2. Composition according to claim 1, wherein the amount of the biodegradable liquid fat(s) (a) in the composition is 50% to 70% by weight, relative to the total weight of the composition.

3. Composition according to any one of claims 1 to 2, wherein the alkali agent (b) is selected from ammonia, alkanolamines, derivatives thereof, and salts thereof.

4. Composition according to claim 3, wherein the alkanolamine is selected from the group consisting of monoethanolamine, diethanolamine, triethanolamine, monoisopropanolamine, diisopropanolamine, N-dimethylethanolamine, 2-amino-2-methyl-l-propanol, triisopropanolamine, 2-amino-2-methyl-l,3-propanediol, 3-amino-l,2-propanediol, 3-dimethylamino-l,2-propanediol, tris(hydroxymethylamino)methane, and a mixture thereof.

5. Composition according to any one of claims 1 to 4, wherein the thickener (c) is selected from polysaccharides.

6. Composition according to any one of claims 1 to 5, wherein the thickener (c) is selected from cellulose derivatives, modified guar gums, and mixtures thereof, more preferably hydroxyalkylcelluloses, guar gums modified with Cl-C6 hydroxyalkyl groups, and mixtures thereof, and even more preferably hydroxyethylcellulose, hydroxypropyl guar, and mixtures thereof.

7. Composition according to any one of claims 1 to 6, wherein the composition further comprises (e) at least one non-ionic surfactant, preferably at least one liquid non-ionic surfactant, and more preferably selected from liquid alkyl polyglucosides.

8. A process for keratin fibers comprising the steps of: (1) mixing a first composition and a second composition to prepare a mixture, wherein the first composition comprises (a) at least one biodegradable liquid fat, said biodegradable fat being selected from plant-derived oils comprising C15-19 alkanes, (b) at least one alkaline agent, (c) at least one thickener, and (d) water, and optionally (e) at least one nonionic surfactant and / or (f) at least one dye, wherein the amount of the biodegradable liquid fat(s) (a) is 50% by weight or more, relative to the total weight of the first composition, and the second composition comprises (g) at least one oxidizing agent; and (2) applying the mixture to the keratin fibers.