FR2996131A1 - Composition, useful e.g. in non-therapeutic process for making up and/or caring for skin, comprises water, colorant, and polymer dispersant comprising main chain and side chain that is grafted on main chain and comprises alkyleneoxy - Google Patents

Abstract

Composition comprises = 63 wt.% of water, a colorant, and a polymer dispersant comprising a main chain and a side chain grafted on the main chain. The main chain is obtained from a monomer comprising an alpha ,beta -monoethylenic unsaturation and a function including carboxylic acid, carboxylic acid ester and/or carboxylic acid salt. The side chain comprises 2-8C linear or branched alkyleneoxy or a mixture of alkyleneoxy radicals, and is optionally substituted by 1-6C linear or branched alkyl chain.

Description

The present invention relates to novel cosmetic uses of dispersant polymers, in combination with at least one dyestuff. BACKGROUND OF THE INVENTION The present invention also relates to new cosmetic compositions, especially makeup and possibly care, and in particular eyelashes.

Many graft copolymers are used as dispersants or stabilizers of suspensions or emulsions. The main function of the backbone for this type of copolymer may be to adsorb to the surface to stabilize the particle or the substrate to be dispersed. And the good solvent grafts extend into the continuous phase to provide steric stabilization of the emulsion or suspension. This type of scheme prevails when, in the case of emulsions, the copolymers used are hydrophobic backbone amphiphilic copolymers and hydrophilic grafts in order to respond to the desired stabilization. For suspensions, the copolymers used may be amphiphilic copolymers or doubly hydrophilic copolymers such as the superplasticizers used in cement. In a first step, the polymers were introduced into the cement to improve the properties of implementation or handling. And in a second step, they were also used to reduce the amount of water introduced into the cement pastes to improve the mechanical properties. This improvement corresponds to a decrease in the porosity of the cement in the solid state due to water introduced in excess. Polycarboxylate polymers are usually used in the field of cements and they provide for example dispersant properties greater than those of sulfonates. For example, their complexing properties vis-à-vis the divalent and trivalent cations are much larger and thanks to this phenomenon, they provide greater fluidity to cement for a longer period. The results obtained on the properties of concrete encourage the use of polycarboxylates as superplasticizers. These dispersant polymers are currently used in the field of cements and have never used for cosmetic applications.

Thus, an object of the present invention is to provide novel cosmetic compositions comprising dispersant polymers. Another object of the present invention is to provide new cosmetic compositions without wax, which can be formulated cold. Another object of the present invention is to provide cosmetic compositions that do not evolve over time, allowing a smooth deposit. An object of the present invention is more particularly to obtain a cosmetic composition having good application properties in terms of sliding and playtime (redeposition, retouching). An object of the present invention is still to obtain a cosmetic composition having good water resistance. An object of the present invention is still to obtain a cosmetic composition having good resistance to friction. An object of the present invention is still to obtain a cosmetic composition having good colonel properties. Another object of the present invention is to obtain a composition for coating keratinous fibers, preferably a mascara, giving rise to a volume effect on the eyelashes. Another object of the present invention is to obtain a composition for coating keratinous fibers, preferably a mascara, giving rise to a loading or covering deposit. Another object of the present invention is to obtain a composition for coating keratinous fibers, preferably a mascara, which has good elongation properties for eyelashes coated with such a composition. An object of the present invention is to obtain a coating composition for keratinous fibers, preferably a mascara, having good bending properties for eyelashes coated with such a composition. Another object of the present invention is to obtain a composition for coating keratinous fibers, preferably a mascara, having a good black intensity, from a colorimetric and chromatic point of view. Another object of the present invention is to obtain a composition for coating keratinous fibers, preferably a mascara, which has good adhesion to the eyelashes. The present invention thus relates to a cosmetic composition comprising, in a physiologically acceptable medium: a water content of less than or equal to 63% by weight relative to the total weight of the composition; at least one dyestuff, and at least one dispersing polymer comprising a main chain and at least one side chain grafted onto the main chain, said main chain being derived from at least one monomer comprising at least one α-unsaturation; monoethylenic and at least one functional group selected from the group consisting of: carboxylic acid, carboxylic acid ester, carboxylic acid salt and mixtures thereof; said side chain comprising at least one linear or branched C2-C8 alkyleneoxy radical or a mixture of alkyleneoxy radicals; said side chain being optionally substituted by a linear or branched alkyl chain comprising from 1 to 6 carbon atoms. The present invention thus relates to novel cosmetic compositions comprising a specific dispersing polymer. The compositions according to the invention are cosmetic compositions intended for the makeup and / or care of keratin materials, in particular eyelashes and eyebrows, in particular a mascara. The compositions according to the invention are especially intended for the make-up of the skin, the lips, the nails, the eyelashes and the eyebrows, but also for being used for the care of the skin. Preferably, the compositions according to the invention are compositions for the makeup of lips, nails, eyelashes and eyebrows, or foundation compositions. They can also be solar compositions, antiperspirant compositions or anti-aging compositions. According to one embodiment, the water content of the compositions according to the invention is between 5% and 60%, preferably between 8% and 50%, and preferably between 10 and 40%, more preferably between 20% and 35%. %, by weight relative to the total weight of the composition. Dispersant Polymer The dispersant polymers according to the invention consist of a main chain and one or more grafted side chains which are optionally substituted at its end by an alkyl group comprising less than 6 carbon atoms. According to a particular embodiment, the dispersing polymers consist of a main chain and of several grafted side chains optionally substituted at their end by an alkyl group comprising less than 6 carbon atoms. In the context of the invention, and unless otherwise stated, the term "main chain" embraces the terms "skeletal chain" or "backbone" of the polymer. The main chain, comprising the highest number of carbon atoms, differs from the side chains. In the context of the present invention, the expression "chain (...) derived from at least one monomer" means that said chain corresponds to the polymer obtained by polymerization of said monomer. The dispersant polymers according to the invention are therefore also referred to as "comb copolymers", the branches of the comb corresponding to the side chains (or pendant chains) consisting of grafts. The main chain of dispersing polymers according to the invention comprises at least one carboxylic acid function or an ester or a salt thereof. It may also include mixtures of these functions, esters and salts. The main chain can therefore comprise COOH, COOAlk or COO-X + pendant functions, or mixtures thereof, where Alk represents an alkyl group comprising from 1 to 6 carbon atoms and X represents an alkaline or alkaline earth metal. or X + represents a quaternary ammonium. By "alkyl group" is meant herein a saturated, linear or branched hydrocarbon aliphatic group comprising, unless otherwise stated, from 1 to 6 carbon atoms. By way of examples, mention may be made of methyl, ethyl, n-propyl, isopropyl, butyl, isobutyl, tert-butyl or pentyl groups. In the context of the present invention, the term "quaternary ammonium" denotes a cation obtained, in particular by alkylation, from an amine of formula NR1R2R3, each of the groups R1, R2 and R3, which may be identical or different, representing H or an alkyl group having 1 to 6 carbon atoms. In particular, the quaternary ammoniums according to the invention include the NH 4 ammonium cation. According to one particular embodiment, the dispersing polymers consist of a main chain and of several grafted side chains substituted at their end by an alkyl group comprising less than 6 carbon atoms, and preferably by a methyl group.

In the context of the invention, the expression "side chain grafted on the main chain" means that the side chain is connected to the main chain via a covalent bond. For example, chains of poly (ethylene oxide) and / or poly (propylene oxide) grafted via an ester function to the main chain may be mentioned, the ester function possibly resulting from the reaction between a functional group. carboxylic acid of the main chain monomer and a hydroxyl function of the poly (ethylene oxide) and / or poly (propylene oxide). In the context of the invention, the term "alkyleneoxy radical" means a radical -A'-O- in which A 'represents an alkylene radical. By "alkylene radical" is meant a divalent radical derived from an alkyl group as defined previously without two hydrogen atoms. The alkyleneoxy radicals may be linear or branched, A 'may therefore represent a linear or branched alkylene radical, especially comprising from 2 to 8 carbon atoms. Preferably, the alkyleneoxy radicals comprise 2 or 3 carbon atoms. For example, the groups -CH2-CH2-O- (ethyleneoxy), -CH2-CH (CH3) -O- or -CH2-CH2-CI-12-O- (Propyleneoxy) may be mentioned. In the context of the present invention, the side chains of the dispersant polymers may comprise mixtures of alkyleneoxy radicals of different sizes. According to this embodiment, the side chain may comprise a mixture of radicals - (A'1-0) and (A'2-0) -, A'1 and A'2 representing different linear or branched alkylene radicals. In particular, the side chain may comprise a mixture of ethyleneoxy and propyleneoxy radicals. The side chain (or side chains) of the dispersing polymer may be substituted with a linear or branched alkyl chain comprising from 1 to 6 carbon atoms, preferably from 1 to 4 carbon atoms, and preferably 1 to 4 carbon atoms. at 2 carbon atoms. According to one embodiment, the main chain of the dispersing polymer is derived from at least one monomer chosen from (meth) acrylic acids, their esters, their salts and mixtures thereof. According to this embodiment, the main chain of the polymer is chosen from poly (meth) acrylic acids, poly (meth) acrylic acid esters, poly (meth) acrylates and mixtures thereof. According to one embodiment, the main chain of the dispersing polymer is derived from a salt of methacrylic acid, especially sodium methacrylate. According to this embodiment, the main chain of the dispersing polymer is sodium polymethacrylate. The dispersing polymers further comprise one or more side chains grafted onto said main chain. In other words, the polymers according to the invention consist of a main polymer chain comprising a given function (carboxylic acid, or a salt or ester thereof) through which the side chains are connected. The dispersant polymers can be represented as consisting of a given number of repeating units comprising repeating units derived from (meth) acrylic acids, their esters, their salts and mixtures thereof, and units grafted, derived from the preceding, comprising a graft comprising at least one alkyleneoxy radical as defined above, optionally substituted by an alkyl chain as defined above. According to one embodiment, the dispersing polymer comprises at least one unsubstituted side chain. Preferably, all the side chains of the dispersing polymer are unsubstituted. The term "unsubstituted side chain" denotes a side chain as defined comprising at least one linear or branched alkyleneoxy C2-C8 radical or a mixture of alkyleneoxy radicals, and comprising a terminal hydrogen atom. According to one embodiment, the dispersing polymer comprises at least one side chain substituted by a methyl or ethyl, especially methyl, chain. Preferably, the side chains of the dispersing polymer are substituted by a methyl chain. According to one embodiment, the dispersant polymer comprises at least one side chain consisting of ethyleneoxy, propyleneoxy or mixtures thereof. Preferably, the side chains of the dispersant polymer consist of ethyleneoxy, propyleneoxy or mixtures thereof. According to one embodiment, the side chains of the polymer may be randomly, statistically or blockwise (block copolymer or sequenced). The dispersant polymers according to the invention may be block copolymers corresponding to the assembly, on the one hand, of blocks with side chains and, on the other hand, of blocks without side chains. Preferably, the side chains of the dispersant polymer are distributed randomly or statistically. Preferably, they are distributed statistically.

According to one embodiment, the dispersing polymer according to the invention is linear. In particular, it is not a crosslinked polymer. According to a preferred embodiment, the dispersing polymer is a comb copolymer comprising a main chain of polymethacrylic acid (or a salt thereof) grafted with polyethylene oxide and / or propylene oxide side chains. According to one embodiment, the side chain comprises from 20 to 200, preferably from 50 to 150, and preferably from 50 to 100, alkyleneoxy groups. According to one embodiment, the side chain comprises only ethyleneoxy groups. According to one embodiment, the side chain comprises only propyleneoxy groups. According to one embodiment, the side chain comprises a mixture of ethyleneoxy groups and propyleneoxy groups, these being randomly or statistically distributed. According to one embodiment, the weight average molecular weight (Mw) of the above-mentioned dispersing polymer ranges from 10,000 to 4,000,000 g / mol, preferably from 20,000 to 2,000,000 g / mol, and even more preferably from 000 to 1,900,000 g / mol. Preferably, the weight average molecular weight (Mw) of the above-mentioned dispersing polymer ranges from 40,000 to 1,500,000, preferably from 42,000 to 1,000,000, preferably from 45,000 to 500,000, and still more preferably from 50,000 to at 100,000g / mol. According to a preferred embodiment, the weight average molecular weight (Mw) of the above-mentioned dispersing polymer ranges from 20,000 to 300,000 g / mol, preferably from 20,000 to 200,000 g / mol, and preferably from 30,000 g / mol. at 120,000 g / mol. Preferably, the weight average molecular weight (Mw) of the aforementioned dispersant polymer is from 40,000 to 80,000 g / mol. In a particularly preferred embodiment, the weight average molecular weight (Mw) of the aforementioned dispersant polymer is 50,000 to 90,000 g / mol, preferably 70,000 to 80,000 g / mol. Preferably, the weight average molecular weight (Mw) of the aforementioned dispersing polymer is equal to about 75,000 g / mol. The choice of this appropriate range of molecular weights makes it possible to have a good compromise as regards, on the one hand, a limitation of the depletion phenomena and, on the other hand, an efficiency that is not sensitive to concentration.

According to one embodiment, the dispersing polymer according to the invention corresponds to: ## STR2 ## in which: R 1 - n is an integer ranging from 50 to 4,000, preferably from 60 to 2,500; - i is an integer ranging from 1 to n; the groups R ', which are identical or different, represent, independently of each other, H or a linear or branched alkyl group comprising from 1 to 10, preferably from 1 to 5, and preferably 1 or 2, atoms of carbon ; and the groups R 1, which are identical or different, are chosen, independently of each other, from the group consisting of: -C (= O) OH, -C (= O) O "X + and -C (= O) 0- (A) p-Ra, at least one of the groups R, representing -C (= O) O- (A) p-Ra, where: X is an alkaline or alkaline earth metal, in particular Na or K, or X + 15 represents a quaternary ammonium, Ra represents H or a linear or branched alkyl group comprising from 1 to 6, preferably from 1 to 4, and preferably 1 or 2, carbon atoms; alkyleneoxy, linear or branched C2-C8 or a mixture thereof, and 20 - p is an integer ranging from 1 to 200, preferably from 50 to 150. The dispersing polymer according to the invention can therefore consist of the repetition of n -CH2-CH (R'1) (R1) - motifs, each of these patterns being identical or different, depending on the nature of R, and R ', for each pattern, and at least one of these patterns comprising a group -C (= 0) 0- (A) p-Ra, corresponding to a chain In one embodiment, the dispersant polymer according to the invention comprises at least one repeating unit (T1) and at least one repeating unit (T2), said repeating units having the following formulas: I): (T1) (T2) wherein: p is an integer from 1 to 200, preferably from 50 to 150; X is an alkali or alkaline earth metal, and is in particular Na or K; or X + represents a quaternary ammonium; - Ra represents H or a linear or branched alkyl group comprising from 1 to 6, preferably from 1 to 4, and preferably 1 or 2, carbon atoms; R and R ', which are identical or different, represent, independently of one another, H or a linear or branched alkyl group comprising from 1 to 10, preferably from 1 to 5, and preferably 1 or 2, carbon atoms,; and A represents a linear or branched C 2 -C 8, preferably C 2 -C 3, alkyleneoxy radical, or a mixture thereof. According to one embodiment, the dispersing polymer consists of x repetitive units (T1) and y repetitive units (T2), these units being distributed randomly or statistically, where: x is an integer ranging from 50 to 3 000, preferably 60 to 1500; and y is an integer ranging from 5 to 1000, preferably from 5 to 600; the sum x + y corresponding to the number n defined above. According to the invention, the repeating units (T1) and (T2) can be alternated randomly in the aforementioned polymer.

According to the invention, the repeating units (T1) and (T2) can be randomly alternated in the aforementioned polymer. According to the invention, the repeating units (T1) and (T2) can be distributed in blocks or sequences in the abovementioned polymer. According to one embodiment, in formulas (I), (T1) and (T2) defined above, X represents Na. According to one embodiment, in formulas (I) and (T2) defined above, each Ra represents H or a methyl group. According to one embodiment, in formulas (I) and (T2) defined above, each Ra represents H.

According to one embodiment, in the formulas (I) and (T2) defined above, each Ra represents a methyl group. According to one embodiment, in the formula (T1) defined above, R is H or a methyl group. According to one embodiment, in the formula (I) defined above, the R 'groups are H or a methyl group.

According to one embodiment, in the formula (T2) defined above, R 'is H or a methyl group. According to one embodiment, in the formula (T2) defined above, the radical A has the following formula (II) or (III): [] [A2], J [[A] (II) OR (III) ) in which: - A1 represents a radical -CH2CH20-; A2 represents a radical -CH2CH (CH3) O-; and j, which are identical or different, represent, independently of one another, an integer ranging from 0 to 50, preferably from 0 to 25; provided that the sum j + k is greater than or equal to 1, and preferably greater than or equal to 50.

According to one embodiment, the dispersant polymer has the following formula: in which: R'a is H or CH3; x is an integer from 50 to 3000; y is an integer ranging from 5 to 1000; and p is an integer ranging from 20 to 200, the units -CH 2 -C (R) (C (= O) ONa) and -CH 2 -C (R ') (C (= O) O- (CH 2) -CH2-0) pR'a) - being randomly or statistically distributed. Preferably, the dispersing polymer has the following formula: CH 2 C x [CH 2 C y 0 ONa] ## STR2 ## ## STR2 ## Wherein x, y and p are as defined above -CH2-C (R) (C (= O) ONa) - and -CH2-C (R ') moieties. (C (= O) O- (CH2-CH2-O) CH3) - being randomly or statistically distributed, preferably random. According to one embodiment, the dispersing polymer is a copolymer derived from methacrylic acid and poly (ethylene oxide) methyl ether methacrylate. In another embodiment, the polymer is a copolymer derived from methacrylic acid and poly (propylene oxide) methyl ether methacrylate. According to one embodiment, the dispersing polymer is a copolymer derived from methacrylic acid and poly (ethylene oxide) methacrylate (propylene oxide) methyl ether. The dispersing polymer according to the invention is for example described in document US Pat. No. 6,034,208 and is obtained by known processes, and in particular by solution radical polymerization, in direct or inverse emulsion, in suspension or precipitation in solvents, presence of priming systems and transfer agents, or controlled free radical polymerization and preferentially in the controlled polymerization with nitroxides (NMP) or by cobaloxymes, in radical atom transfer polymerization (ATRP) in the controlled free radical polymerization with sulfur derivatives, selected from carbamates, dithioesters or trithiocarbonates (RAFT) or xanthates. It may be totally or partially neutralized by one or more neutralization agents having a monovalent or polyvalent cation, said agents being chosen preferentially from ammonia or from hydroxides and / or oxides of calcium, magnesium, or from hydroxides sodium, potassium or lithium, or among aliphatic and / or cyclic primary, secondary or tertiary amines, such as stearylamine, ethanolamines (mono-, di-, triethanolamine), mono and diethylamine, cyclohexylannine, methylcyclohexylamine, amino methylpropanol, nnorpholine, and preferably in that the neutralizing agent is selected from triethanolamine and sodium hydroxide.

It can also be separated into several phases, according to static or dynamic processes, with one or more polar solvents preferentially belonging to the group consisting of water, methanol, ethanol, propanol, isopropanol, butanols, propionic acid and the like. acetone, tetrahydrofuran or mixtures thereof. According to one embodiment, the dispersant polymers according to the invention are present in a content ranging from 0.1% to 10% by weight relative to the weight of the total composition. Preferably, the dispersant polymers according to the invention are present in a content ranging from 0.1% to 5% by weight of active material relative to the weight of the total composition.

According to a preferred embodiment, the content of dispersing polymer according to the invention is between 0.2% and 2.5% by weight of active material. Physiologically acceptable medium In addition to the dispersing polymer indicated above, a composition according to the invention comprises a physiologically acceptable medium. By "physiologically acceptable medium" is meant a medium that is particularly suitable for applying a composition of the invention to keratin materials. The physiologically acceptable medium is generally adapted to the nature of the medium to which the composition is to be applied, as well as to the appearance under which the composition is to be packaged. Dyestuffs According to one embodiment, the cosmetic compositions according to the invention further comprise at least one dyestuff. In the context of the present invention, the dyestuffs used make it possible to provide the composition with a color that is preferably other than white. This (or these) dyestuff (s) is (or are) preferably chosen from pulverulent materials, liposoluble dyes, water-soluble dyes, and mixtures thereof.

Preferably, the compositions according to the invention comprise at least one pulverulent dyestuff. The pulverulent dyestuffs may be chosen from pigments and nacres, preferably from pigments. The pigments may be white or colored, mineral and / or organic, coated or uncoated. Mention may be made, among mineral pigments, of metal oxides, in particular titanium dioxide, optionally surface-treated, oxides of zirconium, zinc or cerium, and also oxides of iron, titanium or chromium, manganese violet, ultramarine blue, chromium hydrate and ferric blue. Among the organic pigments, mention may be made of carbon black, Io pigments of D & C type, and lakes based on carmine of cochineal, barium, strontium, calcium, aluminum. The nacres may be chosen from white pearlescent pigments such as mica coated with titanium or bismuth oxychloride, colored pearlescent pigments such as titanium mica with iron oxides, titanium mica with in particular ferric blue or with chromium oxide, titanium mica with an organic pigment of the aforementioned type as well as pearlescent pigments based on bismuth oxychloride. Fat-soluble dyes are, for example, Sudan red, D & C Red 17, D & C Green 6, r3-carotene, soybean oil, Sudan brown, D & C Yellow 11, D & C Violet 2, D & C Orange 5, the yellow quinoline, the annatto. Preferably, the dyestuffs present in the compositions according to the invention are chosen from pigments, and preferably from metal oxides, and preferably from iron oxides. These dyestuffs may be present in a content ranging from 0.01% to 60% by weight relative to the total weight of the composition, in particular from 3% to 60%, preferably from 3% to 20% by weight. relative to the total weight of the composition. Preferably, the dye (s) is (are) chosen from one or more metal oxide (s) present (s) at a content greater than or equal to 2% by weight relative to total weight of the composition, advantageously between 3% and 50% inclusive, preferably between 3% and 20% by weight relative to the total weight of the composition. According to a preferred embodiment, the dyestuff is black iron oxide. Preferably, the compositions of the invention comprise from 15% to 60%, especially from 15% to 20%, by weight of black iron oxide relative to the total weight of the composition.

The compositions according to the invention comprising black iron oxide as coloring matter are particularly advantageous for mascaras. Indeed, they make it possible to obtain a colonel effect similar to that obtained with mascaras compositions comprising carbon black.

It has thus been found that the use of the dispersant polymers according to the invention makes it possible to obtain an intense black with black iron oxide, equivalent to the blacks obtained with formulas based on carbon black. The intensity of the black is measured according to the protocol described in the experimental part below. According to one embodiment, the compositions according to the invention comprise at least one inorganic pigment. According to one embodiment, the compositions according to the invention comprise at least 1% by weight of inorganic pigment (s) relative to the total weight of the composition. These inorganic pigments are preferably chosen from metal oxides as defined above. According to a particularly preferred embodiment, the inorganic pigments present in the compositions according to the invention are different from titanium dioxide. According to one embodiment, the compositions according to the invention comprise at least one iron oxide, and preferably in a content greater than or equal to 1% by weight relative to the total weight of the composition. Charges The compositions according to the invention may also comprise at least one filler. By "fillers" is meant colorless or white, solid particles of all shapes, which are in an insoluble form and dispersed in the medium of the composition. Of mineral or organic nature, they make it possible to give the composition of softness, dullness and uniformity to make-up. The fillers may be selected from those well known to those skilled in the art and commonly used in cosmetic compositions. The fillers can be mineral or organic, lamellar, globular, spherical or in bowls, fibers or any other intermediate form between these defined forms. The fillers according to the invention may or may not be superficially coated, and in particular they may be surface-treated with silicones, amino acids, fluorinated derivatives or any other substance which promotes dispersion and compatibility of the filler. the composition. According to one embodiment, the compositions of the invention comprise at least one filler chosen from inorganic or organic fillers.

Among the mineral fillers that may be used in the compositions according to the invention, mention may be made of talc, mica, silica, magnesium aluminum silicates, trimethyl siloxysilicate, kaolin, bentone and calcium carbonate. magnesium hydrogen carbonate, hydroxyapatite, boron nitride, hollow silica microspheres (Silica Beads from Maprecos), glass or ceramic microcapsules, silica-based fillers such as Aerosil 200, Aerosil 300; Sunsphere H-33, Sunsphere H-51 marketed by Asahi Glass; Chemicelen marketed by Asahi Chemical; silica and titanium dioxide composites, such as the TSG series marketed by Nippon Sheet Glass, perlite powders, fluorphlogopite, and mixtures thereof. Among the organic fillers that can be used in the compositions according to the invention, mention may be made of the powders of polyamide, such as the nylon-12® microspheres marketed under the name SP-500 by Toray, poly-b-alanine and polyethylene, polytetrafluoroethylene (Teflon®) powders, lauroyl-lysine, starch, powders of tetrafluoroethylene polymers, hollow microspheres of polymers, for example comprising an (alkyl) acrylate, such as EXPANCEL® (NOBEL INDUSTRIE), metal soaps derived from organic carboxylic acids containing from 8 to 22 carbon atoms, preferably from 12 to 18 carbon atoms, for example, zinc, magnesium or lithium stearate, zinc laurate, magnesium myristate, Polypore® L 200 (Chemdal Corporati silicone resin microspheres (eg Toshiba Tospearl®), polyurethane powders, in particular, crosslinked polyurethane powders comprising a copolymer, said copolymer comprising trimethylol hexyl lactone, such as hexamethylene diol polymer, and the like; isocyanate / trimethylol hexyllactone, marketed under the name PLASTIC POWDER D-400® or PLASTIC POWDER D-800® by the company TOSHIKI, the Carnauba microcires, such as that sold under the name MicroCare 350® by the company MICRO POWDERS Synthetic wax microwaxes, such as that sold under the name MicroEase 114S® by the company Micro Powders, the microwaxes consisting of a mixture of Carnauba wax and polyethylene wax, such as those sold under the names Micro. Care 300® and 310® by the company MICRO POWDERS, the micro-waxes consisting of a mixture of carnauba wax and synthetic wax, such as that marketed under the name Micro Care 325® by the company Micro Powders, polyethylene microwaxes, such as those sold under the names Micropoly 2000, 2200, 220L® and 250S0 by the company Micro Powders; fibers of synthetic or natural origin, mineral or organic. They can be short or long, unitary or organized, for example braided, hollow or full. Their shape can be any and in particular of circular or polygonal section (square, hexagonal or octagonal) depending on the specific application envisaged. In particular, their ends are blunt and / or polished to avoid injury. The fibers have a length ranging from 1 μm to 10 mm, preferably from 0.1 mm to 5 mm and better still from 0.3 mm to 3 mm. Their section may be in a circle with a diameter ranging from 2 nm to 500 μm, preferably ranging from 100 nm to 100 μm and better still from 1 μm to 50 μm. As fibers which can be used in the compositions according to the invention, mention may be made of non-rigid fibers such as polyamide fibers (nylon ()) or rigid fibers such as polyimide-amide fibers, such as those sold under the names KERMEL0, KERMEL TECH® by the company RHODIA or poly (p-phenylene-terephthalamide) (or aramid) especially sold under the name Kevlar® by the company DuPont de Nemours, and mixtures thereof. The fillers may represent from 0.1% to 50%, preferably from 0.1% to 25%, in particular from 0.2% to 20% by weight relative to the total weight of the composition. According to one embodiment, the compositions according to the invention comprise at least one hard mineral filler, in particular silica, in particular in the form of spheres. The present invention also relates to the use of mineral fillers such as those described above in mascara compositions according to the invention to improve the bending properties for eyelashes coated with such compositions. Thus, according to one embodiment, when the compositions according to the invention comprise a mineral filler selected from the group consisting of silica, mica, talc, boron nitride, calcium sulphate, pumice, kaolin, bismuth oxychloride, titanium dioxide, barium sulfate and calcium carbonate, these having good bending properties for eyelashes coated with such compositions.

These bending properties are measured according to the protocol described below in the experimental part. The present invention also relates to the use of a dispersant polymer as defined above in combination with organic particles to improve the playtime properties. According to one embodiment, the compositions according to the invention comprise at least one organic filler, in particular nylon particles, or an organic filler selected from among the following fillers: lauryl lysine, PMMA, PTFE, copolymers d acrylates, silicone resins, paraffin wax or polyurethanes as listed above. In particular, for compositions comprising nylon particles, it has been observed that very good properties in terms of playtime (redeposition, retouching) were obtained. These playtime properties are measured according to the protocol described below in the experimental part. The present invention therefore also relates to the use of a dispersant polymer as defined above in combination with nylon particles to improve the playtime properties. Thickeners The cosmetic compositions according to the invention may further comprise at least one thickener, preferably hydrophilic, in particular gums. These thickening agents are preferably hydrophilic, that is to say soluble or dispersible in water. Mention may in particular be made of water-soluble or water-dispersible thickening polymers. These may especially be chosen from: polysaccharide biopolymers such as xanthan gum, guar gum, locust bean gum, acacia gum, scleroglucans, chitin and chitosan derivatives, carrageenans, gellans alginates, celluloses such as microcrystalline cellulose, carboxymethylcellulose, hydroxyethylcellulose, hydroxymethylcellulose and hydroxypropylcellulose; and their mixtures.

According to one embodiment, the compositions of the invention comprise a thickening agent chosen from polysaccharide biopolymers such as acacia gum. The compositions of the invention may also comprise hydroxyethylcellulose. According to one embodiment, a composition of the invention may comprise thickening agents with an active material content of from 0.01% to 10% by weight, in particular from 0.1% to 5% by weight, in particular from 1% to % to 5% by weight relative to the total weight of the composition. Film-forming polymers The compositions according to the present application preferably comprise at least one hydrophilic or lipophilic, preferably hydrophilic, film-forming polymer.

The hydrophilic film-forming polymer is preferably in the form of a dispersion in an aqueous medium. According to one embodiment, the compositions of the invention comprise at least one film-forming polymer in the form of particles dispersed in water. In the present application, the term "film-forming polymer" is intended to mean a polymer capable of forming on its own or in the presence of a film-forming auxiliary agent a macroscopically continuous deposit, and preferably a cohesive deposit, and better still a deposit of which the cohesion and the mechanical properties are such that said deposit can be isolable and manipulable in isolation, for example when said deposit is made by casting on a non-stick surface such as a teflon or silicone surface. In general, the dry matter content of the "film-forming polymer" of the compositions according to the present application ranges from 0.1% to 40%, preferably from 1% to 35%, preferably from 5% to 30% and better still from 10% to 25% by weight, relative to the total weight of the composition.

Among the film-forming polymers that can be used in the composition of the present invention, mention may be made of synthetic polymers, of free-radical type or of polycondensate type, polymers of natural origin, and mixtures thereof.

Thus, preferably, the film-forming polymer may be present in the composition in the form of particles dispersed in an aqueous phase, generally known as latex or pseudolatex. The techniques for preparing these dispersions are well known to those skilled in the art. As the aqueous dispersion of film-forming polymer, it is possible to use the acrylic dispersions sold under the names Neocryl XK-90®, Neocryl A-1070®, Neocryl A-1090®, Neocryl® BT-62®, Neocryl A-1079® and Neocryl A- 523® by the company AVECIA-NEORESINS, Dow Latex 432® by the company DOW CHEMICAL, Daitosol 5000 AD® or Daitosol 5000 SJ® by the company DAITO KASEY KOGYO; Syntran 5760® by the company Interpolymer, Allianz Opt® by the company Rohm and Haas or the aqueous polyurethane dispersions sold under the names 113 Neorez R-981® and Neorez R-974® by the company Soutemeresins, the Avalure UR -405®, Avalure UR-410®, Avalure UR-425®, Avalure UR-450®, Sancure 875®, Avalure UR-445® and Sancure 2060® by NOVEON, Impranil 85® by BAYER, Aquamere H -1511® by the company HYDROMER; the sulfopolyesters sold under the brand name Eastman AQ® by Eastman Chemical Products, vinyl dispersions such as Mexomer PAM®, aqueous polyvinyl acetate dispersions such as "Vinybran®" from Nisshin Chemical or those marketed by the company. UNION CARBIDE, the aqueous dispersions of terpolymer vinyl pyrrolidone, dinethylaminopropyl methacrylamide and lauryldimethylpropylmethacrylamidoammonium chloride such as Styleze W-ISP, aqueous dispersions of polyurethane / polyacrylic hybrid polymers such as those sold under the references "Hybridur®" "by the company AIR PRODUCTS or" Duromer® "of NATIONAL STARCH, the dispersions type core / shell: for example those sold by the company ATOFINA under the reference Kynar (core: fluorinated shell: acrylic) or those described in the US 5,188,899 (core: silica - shell: silicone) and mixtures thereof. Preferably, the cosmetic compositions according to the invention comprise a Syntran 5760® aqueous dispersion sold by the company Interpolymer. The compositions of the invention may further comprise an aqueous phase. A water that is suitable for the invention may be a floral water such as cornflower water and / or mineral water such as VITTEL water, LUCAS water or LA ROCHE POSAY water and / or thermal water. The aqueous phase may also comprise water-miscible organic solvents (at room temperature - 25 ° C) such as, for example, monoalcohols having from 2 to 6 carbon atoms such as ethanol, isopropanol; the polyols having in particular 2 to 20 carbon atoms, preferably having 2 to 10 carbon atoms, and preferably having 2 to 6 carbon atoms, such as glycerol, propylene glycol, butylene glycol, pentylene glycol hexylene glycol, caprylylglycol, dipropylene glycol, diethylene glycol; glycol ethers (having in particular from 3 to 16 carbon atoms) such as the mono, di or tripropylene glycol (C1-C4) alkyl ethers, the mono, di or triethylene glycol (C1-C4) alkyl ethers; , and their mixtures. According to one embodiment, the aqueous phase of the compositions of the invention comprises a polyol, in particular pentylene glycol, and a monoalcohol, especially ethanol. In particular, the aqueous phase of the compositions of the invention may comprise ethanol and pentylene glycol. Waxes The compositions according to the invention may further comprise at least one wax.

The wax (es) is (are) in general a lipophilic compound, solid at room temperature (25 ° C.), with reversible solid / liquid state change, having a melting point greater than or equal to 30 ° C. `C going up to 200`C and especially up to 120`C. For the purposes of the invention, the melting temperature corresponds to the temperature of the most endothermic peak observed in thermal analysis (DSC) as described in ISO 11357-3; 1999. The melting point of the wax can be measured using a differential scanning calorimeter (DSC), for example the calorimeter sold under the name "DSC Q2000" by the company TA Instruments. Preferably, the waxes have a melting enthalpy AHf greater than or equal to 70 J / g. Preferably, the waxes comprise at least one crystallizable part, visible by X-ray observations. The measurement protocol is as follows: A sample of 5 mg of wax placed in a crucible is subjected to a first temperature rise of -20. `C at 12 O'C, at the heating rate of 10`C / minute, then cooled from 120`C to -20`C at a cooling rate of 10'C / minute and finally subjected to a second temperature range from -20 ° C to 120 ° C at a heating rate of 5CC / minute te. During the second rise in temperature, the following parameters are measured: the melting point (Tf) of the wax, as previously mentioned, corresponding to the temperature of the most endothermic peak of the observed melting curve, representing the variation of the the difference in power absorbed as a function of the temperature; AHf: the melting enthalpy of the wax corresponding to the integral of the whole of the melting curve obtained. This enthalpy of melting wax is the amount of energy required to pass the compound from the solid state to the liquid state. It is expressed in J / g. The wax (es) may be hydrocarbon (s), fluorinated (s) and / or silicone (s) and may be of vegetable, mineral, animal and / or synthetic origin. The compositions according to the invention may also comprise a microdispersion of pre-manufactured wax, in particular as described in the application FR 2,687,569. According to one embodiment, the compositions according to the invention comprise less than 15% by weight of wax. (s) relative to the total weight of the composition, and preferably from 0 to 12%, and preferably from 0 to 5%. According to one embodiment, the compositions according to the invention are free of wax. Non-volatile oils The composition according to the invention may comprise at least one non-volatile oil. "Non-volatile oil" means an oil remaining on the skin or keratin fiber at room temperature and pressure. More specifically, a non-volatile oil has an evaporation rate strictly less than 0.01 mg / cm 2 / min. Said at least one non-volatile oil that is suitable for the present invention may be chosen from hydrocarbon oils and silicone oils. The non-volatile hydrocarbon oils that are suitable for the present invention may in particular be chosen from: hydrocarbon oils of vegetable origin, such as triglycerides consisting of esters of fatty acids and of glycerol, the fatty acids of which may have lengths of various chains of C4 to C28, the latter being linear or branched, saturated or unsaturated; these oils include wheat germ, sunflower, grape seed, sesame, maize, apricot, castor, shea, avocado, olive, soya, sweet almond, palm, rapeseed, cotton, hazelnut, macadamia, jojoba, alfalfa, poppy, pumpkin, sesame, pumpkin, rapeseed, blackcurrant, evening primrose, millet, barley, quinoa, rye, safflower, bancoulier, passiflora, muscat rose; or alternatively caprylic / capric acid triglycerides, such as those sold by Stéarineries Dubois or those sold under the names Miglyol 810®, 812® and 818® by the company Sasol; synthetic ethers having from 10 to 40 carbon atoms; linear or branched hydrocarbons of mineral or synthetic origin, such as petroleum jelly, polydecenes, hydrogenated polyisobutene such as Parleam, and squalane, and mixtures thereof; synthetic esters such as oils of formula R1COOR2 in which R1 represents the residue of a linear or branched fatty acid containing from 1 to 40 carbon atoms and R2 represents a particularly branched hydrocarbon-based chain containing from 1 to 40 carbon atoms at provided that R1 + R2 is k10, such as, for example, purcellin oil (cetostearyl octanoate), isopropyl myristate, isopropyl palmitate, C12-C15 alcohol benzoate, hexyl laurate diisopropyl adipate, isononyl isononanoate, 2-ethylhexyl palmitate, isostearate isostearate, octanoates, decanoates or ricinoleates of alcohols or polyalcohols such as propylene glycol dioctanoate; hydroxylated esters such as isostearyl lactate, diisostearyl malate; and pentaerythritol esters; at room temperature liquids with a branched and / or unsaturated carbon chain having from 12 to 26 carbon atoms, such as octyl dodecanol, isostearyl alcohol, oleic alcohol, 2-hexyldecanol or 2-butyloctanol, 2- undecylpentadecanol; higher fatty acids such as oleic acid, linoleic acid, linolenic acid and mixtures thereof. The nonvolatile silicone oils that are suitable for the present invention may in particular be chosen from: the non-volatile silicone oils that may be used in the composition in accordance with the invention may be non-volatile polydimethylsiloxanes (PDMS), polydimethylsiloxanes comprising alkyl groups or alkoxy, pendant and / or silicone chain end, groups each having 2 to 24 carbon atoms, phenyl silicones such as phenyl trimethicones, phenyl dimethicones, phenyl trimethylsiloxy diphenylsiloxanes, diphenyl dimethicones, diphenyl methyldiphenyl trisiloxanes, 2-phenylethyl trimethylsiloxysilicates.

The non-volatile oil content in the composition according to the invention may range from 0.01 to 20% by weight, in particular from 0.1 to 25% by weight, and better still from 0.1 to 20% by weight. by weight relative to the total weight of the composition. According to a particular embodiment, a composition according to the invention comprises less than 5% by weight of non-volatile oil (s), or is free of non-volatile oil (s). Additional dispersing agent According to one embodiment, the composition according to the invention comprises an additional dispersing agent (in addition to the dispersing polymer according to the invention). This additional dispersing agent is chosen from nonionic, ionic surfactants and their mixture (s), preferably nonionic. According to one embodiment, this dispersing agent (s) is (are) adapted to facilitate the removal of the composition applied to the keratin materials. Cosmetic active ingredients The compositions in accordance with the invention may also comprise at least one cosmetic active agent. As cosmetic active agents which can be used in the compositions in accordance with the invention, mention may be made in particular of antioxidants, preservatives, perfumes, neutralizers, emollients, coalescers, plasticizers, moisturizers, vitamins and the like. especially solar filters, and mixtures thereof. Of course, those skilled in the art will take care to choose any additional additives and / or their amount so that the advantageous properties of the composition according to the invention are not, or not substantially impaired by the addition envisaged. Preferably, the composition according to the invention is not rinsed. Advantageously, the composition is a makeup composition and in particular a mascara.

According to one embodiment, the compositions of the invention do not comprise wax requiring to be liquefied while hot. The invention then allows the preparation of mascara compositions cold and possibly without wax.

According to one embodiment, the compositions according to the invention have a high content of dispersed solid particles. In particular, the volume fraction occupied by these solid particles is greater than 50%. According to one embodiment, the solid particles used in the compositions of the invention have a particle size of less than 50 μm.

Thus, according to this embodiment, the compositions according to the invention make it possible to obtain a loading and smoother deposit than the compositions known to date. No roughness is then perceived with the naked eye. Uses According to one embodiment, the cosmetic compositions are used for the makeup of keratin materials, in particular skin, lips, nails, eyelashes or eyebrows. More particularly, they are used for coating keratinous fibers.

The present invention also relates to a non-therapeutic process for the makeup and / or care of keratin materials comprising a step of applying to said keratin materials at least one layer of a cosmetic composition as defined above.

The present invention also relates to a process for coating keratinous fibers, in particular eyelash makeup, comprising a step of applying to said keratinous fibers a cosmetic composition as defined above. The present invention also relates to a cosmetic treatment method comprising the application to the skin, the nails, the eyelashes, the eyebrows or the lips of a composition as defined above. Throughout the application, the wording "comprising a" or "comprising a" means "comprising at least one" or "comprising at least" one unless the contrary is specified.

EXAMPLES Preparation of compositions Examples of compositions according to the invention (Examples 1, 2, 3 and 4) were prepared with the ingredients and proportions indicated below in the following tables: Example 1 of mascara composition Raw materials Reference Acrylic / acrylic copolymers used as styrene / acrylic copolymers in SYNTRAN 5760 CG 53.0 40% aqueous emulsion in water / butylene mixture (INTERLIMER) glycol / sodium lauryl ether sulfate protected pentylene glycol 616751 HYDROLITE-5 3.0 (SYMRISE ) Coatex dispersant MW 75000 (polyether RSY 15007 1.5 polycarboxylate, sodium salt in aqueous solution) (COATEX) Solid silica spheres (20 microns) MSS-500 / 20N 19.0 (KOBO) Black iron oxide SUNPURO BLACK IRON OXIDE 19.0 C33-7001 (SUN) Hydroxyethylcellulose CELLOSIZE QP 4400 H 0.5 (AMERCOL, Dow Chemical) Acacia Senegal Gum Atomized gum arabic 396A 1.0 (ALLAND & ROBERT) Water 1.5 microbiologically clean deionized water (L 'OREAL) Ethanol A Ethyl alcohol SURFIN MINI. 1.5 96% (RYSSEN ALCOHOLS) 100.0 Example 2 of mascara composition Raw materials Commercial reference% used acrylic and styrene / acrylic copolymers made of SYNTRAN 5760 CG 53.0 40% aqueous emulsion in water / butylene mixture (INTERLIMER) glycol / sodium lauryl ether sulphate protected pentylene glycol 616751 HYDROLITE-5 3.0 (SYMRISE) Coatex dispersant MW 75000 (polyether RSY 15007 1,5 polycarboxylate, sodium salt in aqueous solution) (COATEX) micro-spheres of NYLON-12 SP - 500 (TORAY) 19.0 (particle size: 5p) Black Iron Oxide SUNPURO BLACK IRON OXIDE 19.0 C33-7001 (SUN) HydroxyEthyl Cellulose CELLOSIZE QP 4400H 0.5 (AMERCOL, DOW Chemical) Acacia Senegal Gum Gum Arabic atomized 396A 1.0 (ALLAND & ROBERT) Water 1.5 microbiologically clean deionized water (L'OREAL) Ethanol Ethyl alcohol SURFIN MINI. 1.5 96% (RYSSEN ALCOHOLS) 100.0 These compositions according to the invention are compositions prepared according to the following protocol: For a volume of 100 ml: The SYNTRAN 5760 CG copolymer was introduced into a 200 ml container, then was shaken with a Rayneri device equipped with a pale deflocculator. Then, pentylene glycol was added followed by the dispersing agent. After weighing the silica (or Nylon®) powder in a stainless steel container, it was added slowly and gradually in the formula (the stirring speed could be increased as and when necessary, to homogenize the formula without creating too much vortex, all to avoid incorporating air into the formula). Then, black iron oxide was weighed in a stainless steel container, and added slowly and gradually. Finally, the following constituents were added slowly and successively to the formula: hydroxyethyl cellulose, gum arabic, water and ethanol.

Resistance Holding Water resistance (smudqe): DMA in immersion Elasticimetry or DMA (Dynamic Mechanical Analysis) The mechanical properties of polymer films or mascaras formulas are evaluated with TA DMA Q800 Instrument equipped with traction wheel in immersion. This mobile makes it possible to take tensile measurements in the presence of water via a small tank where the film to be tested will be housed. The mascara formula (or latex) is previously spread on a 300 μm Teflon plate whose edges are covered with Scotch millipore in order to facilitate the detachment of the film. Drying takes place in a glove box at 30 ° C and 50% relative humidity for 1 night. A rectangular piece of dry film (24 hours drying) is punched out. The thickness of the film is measured by a Palmer micrometer and the length between jaws is fixed by the immersed mobile. The width of the specimens is 6 mm (fixed by the punch). The measurement protocol chosen is as follows: Isotherm at room temperature 23 ° C + - 2 ° C Oscillation amplitude 8 mm Oscillation frequency 1 Hz Immersion after 5 minutes dry measurement and approximately 5 minutes 30 minutes adding 10 ml of demineralized water to the tank The evolution of the conservation module E 'is monitored as a function of time, especially after the addition of water to the immersion tank. The water sensitivity of the formula (or polymer) is evaluated by comparing the storage modulus E 'before and after immersion.

We can note 3 types of behavior: Bad behavior with water: the module falls very quickly from the immersion, the film can break or dissolve in the water; the fall of the module is greater than 2 decades. Average resistance to water: the modulus E 'decreases more moderately and is less than 2 decades after 5 minutes of immersion; the film remains cohesive but can lengthen. Very good resistance to water: the E 'module is unchanged or decreases very little (fall always less than 1 decade even after 5 minutes of immersion); the film 10 remains cohesive. The compositions of Examples 1 and 2 were subjected to this water resistance test. The E 'modules obtained for these two compositions have a fall always less than 1 decade even after 5 minutes of immersion. Thus, these compositions have a very good resistance to water. Flake resistance: Fragmentation test The objective of this test is to determine the balance between the cohesive nature of the deposit and its adhesive nature on the FP40 elastomer support. The tests are carried out using the Rheo Texturometer TAXT21 used in traction mode at a speed of 0.1 mm / s. The composition of the example is deposited in the center of a piece of FP40 type elastomer of length 60 mm, width 10 mm and thickness 2 mm, on a total surface of 20x10 mm 2 using stencils. The stencils are chosen according to the dry extract of the mascara in order to obtain a dry film of 50 μm in thickness. The films are dried in a glove box at 30% and 50% humidity for 1 hour or 24 hours. The test pieces thus prepared are subjected to controlled speed traction (0.1 mm / s). The observation is carried out with the aid of a digital camcorder, in order to be able to quantify the damages (detachment, cracking) suffered by the film during the deformation. Note the type of damage possibly found and the percentage of deformation at which it occurred. The composition of Example 2 was subjected to this test. It was then found that no cracks or peeling occurs after 100% elongation.

Thus, the resistance to crumbling of the composition of Example 2 is very good. Black Intensity Colorimetric Results: L * The coloration obtained with said compositions is visually evaluated and read with the Minolta spectrocolorimeter (CM3700d, D65 illuminant, 10 ° angle, SCI values) for the L * colorimetric measurements. In an L * a * b * system, the lower the value of L *, the darker the color. Chromaticity result: C * The chromaticity in the CIE system L *, a *, b * is calculated according to the following equation: c * Va * 2 + b * 2 The higher the value of C *, the more saturated the coloration obtained . The compositions according to the invention make it possible to obtain very good black intensity results.

In particular, the composition of Example 2 makes it possible to obtain the following values: C * = 0.6906 and L * = 24.521. Bending Caucasian hair specimens comprising 15 hair lengths of 15 mm having an arc of curvature having a radius of curvature of between about 6 and 7 mm. These specimens are fixed on a support so that the top of the specimen corresponds to the inner side of the arc formed by the specimen, the underside of the specimen corresponding to the outer side of the arc formed by the specimen . Before applying mascara, the curvature of the hair specimen was measured by taking a digital profile picture using the Navitar Macrozoom. Then mascara was applied to each specimen with a brush on the underside of the specimen. Three sets of 10 passes of the brush were made with a wait of 2 minutes between each series of 10 passes. 20 minutes after the last passage of the brush on the test specimen, the specimen of makeup hair was photographed. The images are processed with the Microvision image analysis system and the average radius of curvature of the hair before makeup (Rc i) and the average radius of curvature of the hair after makeup (Rcf) are determined, the radius of curvature being measured. in millimeters. The bending R is calculated according to the formula: R = 1 / Rci-II Rcf io The greater the R value, the greater the curling of the eyelashes measured. The following results were obtained: Example 1 (Invention): R = 0.030 mm-1 XFinity (Excluding the Invention): R = 0.010 mm -1 It has thus been found that the curling properties of the mascara of Example 1 according to US Pat. invention are very good.

Example 3 Lipstick composition Raw materials commercial reference ° Used Phase A POLYDECENE HYDROGEN PURESYN 150 5 (VISCOSITY: 5050 CPS) EXXONMABLE CHEMICAL POLYBUTENE (MONOOLEFINS / ISOPARAFFINS) (MW: 920) INDOPOL H 100 INEOS 5 DIMERE DILYNOLEYL / PLAN DOOL-G NIPPON 5 PHYTOSTERYL / BEHENYL / FINE CHEMICAL ISOSTEARYL DIMERE DILINOLEATE TETRA-ISO-STEARATE OF CRODAMOL PTIS-LQ- (MH) CRODA 3 PENTAERYTHRITYLE DI-MERATE OF DI-ISO-PROPYLE SCHERCEMOL DID ESTER LUBRIZOL 5 WAX OF JOJOBA OXYETHYLENE ( 120 0E) FLORASOLVS JOJOBA 2 PEG 120 FLORATECH MONO-STEARATE TAGAT S EVONIK 0.5 GLYCERYLE OXYETHYLENE GOLDSCHMIDT (30 0E) TRI-ISO-STEARATE SALACOS 43 V (EUROPE) 5 POLYGLYCEROLE (2 MOLDS) NISSHIN OILLIO Phase ACRYLIC POLYMER CARBOPOL ULTREZ 21 0.5 Aqueous POLYMER LUBRIZOL COPOLYMER ACRYLAMIDO-2-SEPINOV EMT 10 SEPPIC 0.75 METHYL PROPANE SULFONATE SODIUM / HYDROXYETHYLACRYLATE AS POWDER WATER DESIONIZED WATER DESIONIZED 55 MICROBIOLOGICALLY MICROBIOLO OWN CLEAN (QS) CLEAN OWL 2-AMINO-2-METHYL-1-PROPANOL AMP ULTRA PC 1000, 0.2 NEUTRALIZING AMINE ANGUS (DOW CHEMICAL DISPERSANT COATEX MW 75000 RSY 15007 (COATEX) 0.5 (POLYETHER POLYCARBOXYLATE, SODIUM SALT IN AQUEOUS SOLUTION) Color GLYCEROL REFINED GLYCERINE 5 99.5% PH. EURO. CARGILL FUCHSIN DI-SODIUM SALT UNICERT RED K7057-J 0.4 ACID D (CI: 17200) SENSIENT DI-SODIUM SALT OF TARTRAZINE UNICERT YELLOW 08005-J 0.15 (CI: 19140) SENSITIVE WATER DESIONIZED WATER DESIONIZED 4 MICROBIOLOGICALLY MICROBIOLOGICALLY OWN CLEAN (L'OREAL) 5 Preservative 1.2-PENTANEDIOL MINACARE PENTIOL 1 MINASOLVE OCTANE-1.2 DIOL DERMOSOFT OCTIOL DR 0.3 STRAETMANS PHENOXY-2 ETHANOL SEPICIDE LD SEPPIC 0.7 POTASSIUM SORBATE IN POTASSIUM SORBATE 0.3 POWDER POWDER MITSUI Nacre MICA-OXIDE IRON BLACK- COLORONA MICA BLACK 0.5 TITANIUM OXIDE (43/50/7) (CI: MERCK 77019 + 77499 + 77891) (10-60pM) Perfume PERFUME WILD BERRY A MF180786 0, 2 MANE To prepare this composition, one warms everything to 70`C, one prepares A and the aqueous phase separately. Phase A is emulsified with the aqueous phase. Then the pre-dispersed dyes and then the preservatives and finally the nacres and the perfume are added.

Example 4 of nail polish composition Commercial reference raw materials ° Used ethyl alcohol 96 ° undenatured ethyl alcohol SURFIN MINI. 96% (RYSSEN ALCOHOLS) 3 water microbiologically clean deionized water (L'OREAL) 14 glycerol REFINED GLYCERIN 99.5% 1 PH. EURO. CARGILL aliphatic polyurethane mixture, AVALURE UR 405 POLYMER 74.02 N-methylpyrrolidone, tri-ethylannine, water LUBRIZOL (35 / 8.5 / 2 / 54.5) unprotected Coatex dispersant MW 75000 (polyether RSY 15007 0.5 polycarboxylate, sodium salt solution (COATEX) aqueous) Synthetic Laponite (Mixed Silicate Laponite XLG ROCKWOOD 1.24 Magnesium / Lithium / Sodium) ADDITIVES N- (Hydroxy-methyl) N- (Di-hydroxy-methyl- GERMALL ILL ISP 0.27 1,3-di-oxo-2-imidazolidinyl-4) N- (hydroxy- (ASHLAND) methyl) urea tetrasodium pyrophosphate, 10 H 2 O tetra sodium pyrophosphate 0.21 hydrate MICA brown iron oxide (58/42 ) COLORONA SIENNA FINE 3 (MERCK) MICA-Black iron oxide (particle size: COLORONA BLACKSTAR BLUE 1 10-60 microns) (MERCK) Methyl p-hydroxybenzoate, salt NIPAGIN M SODIUM 0.3 sodium (CLARIANT) poly- dimethylsiloxane oxyethylene to TEGOPREN 5878 EVONIK 0.46 methoxy terminations (viscosity: 18-28 (GOLSCHMIDT) centipoises) MICA-titanium oxide (54/56) FLAMENCO Violet 520 C 1 (BASF Personal Care) To prepare this composition, each ingredient should be added with stirring and, if appropriate, dropwise, or in successive infinitesimal amounts. The preparation steps are as follows: The glycerol is added to the AVALURE polyurethane and is waited for 20 minutes (with stirring). An extemporaneous mixture of water and alcohol is then added to the mixture obtained above (polyurethane + glycerol). The dispersant, laponite, urea derivative and pyrophosphate are then successively added.

Then, the preserving agent (methyl hydroxybenzoate) is added. The sliding agent (methoxy-terminated PDMS EO) is then added. Finally, the dyestuffs are added.

Claims (20)

REVENDICATIONS1. Cosmetic composition comprising, in a physiologically acceptable medium: a water content less than or equal to 63% by weight relative to the total weight of the composition; at least one dyestuff, and at least one dispersing polymer comprising a main chain and at least one side chain grafted onto the main chain, said main chain being derived from at least one monomer comprising at least one α-unsaturation; monoethylenic and at least one functional group selected from the group consisting of: carboxylic acid, carboxylic acid ester, carboxylic acid salt and mixtures thereof; said side chain comprising at least one linear or branched C2-C8 alkyleneoxy radical or a mixture of alkyleneoxy radicals; said side chain being optionally substituted by a linear or branched alkyl chain comprising from 1 to 6 carbon atoms. 2. Cosmetic composition according to claim 1, wherein the main chain of the dispersing polymer is derived from at least one monomer chosen from (meth) acrylic acids, their esters, their salts and mixtures thereof. 3. Cosmetic composition according to claim 1 or 2, wherein the main chain of the dispersing polymer is derived from a methacrylic acid salt. 4. Cosmetic composition according to any one of claims 1 to 3, wherein the dispersing polymer comprises at least one unsubstituted side chain. 5. Cosmetic composition according to any one of claims 1 to 3, wherein the dispersing polymer comprises at least one side chain substituted by a methyl or ethyl chain. The cosmetic composition according to any one of claims 1 to 5, wherein the dispersant polymer comprises at least one side chain consisting of ethyleneoxy, propyleneoxy or mixtures thereof. Cosmetic composition according to any one of claims 1 to 6, wherein the side chains of the dispersing polymer are randomly or statistically distributed. 8. Cosmetic composition according to any one of claims 1 to 7, wherein the dispersing polymer is a comb copolymer comprising a main chain of polymethacrylic acid grafted with side chains polyethylene oxide and / or polypropylene oxide. 9. Cosmetic composition according to any one of claims 1 to 8, wherein the dispersant polymer has the following formula: In which: n is an integer ranging from 50 to 4000; - i is an integer ranging from 1 to n; the groups R ", which are identical or different, represent, independently of one another, H or a linear or branched alkyl group comprising from 1 to 10 carbon atoms; and the identical or different Rh groups are chosen, independently of one another, from the group consisting of -C (= O) OH, -C (= O) O-X + and -C (= O) O- (A) p-R3, at least one of the R groups, representing -C (= O) O- (A) p-Ra, wherein: X is an alkali or alkaline earth metal; or X + represents a quaternary ammonium; Ra represents H or a linear or branched alkyl group comprising from 1 to 6 carbon atoms; - A represents a linear or branched C 2 -C 8 alkyleneoxy radical or a mixture thereof; and - p is an integer ranging from 1 to 200. The cosmetic composition according to any one of claims 1 to 9, wherein the dispersing polymer comprises at least one repeating unit (T1) and at least one repeating unit (T2), said repeating units having the respective formulas: in which: p is an integer ranging from 1 to 200; X is an alkaline or alkaline earth metal; or X + represents a quaternary ammonium; Ra represents H or a linear or branched alkyl group comprising from 1 to 6 carbon atoms; R and R ', which are identical or different, represent, independently of one another, H or a linear or branched alkyl group comprising from 1 to 10 carbon atoms; and A represents a linear or branched C2-C8 alkyleneoxy radical or a mixture thereof. 11. Cosmetic composition according to any one of claims 1 to 10, wherein the dispersant polymer has the following formula: ## STR2 ## R'a wherein: R and R ', which may be identical or different, represent, independently of one another, H or a linear or branched alkyl group comprising from 1 to 10 carbon atoms; R'a is H or CH3; x is an integer from 50 to 3000; Y is an integer from 5 to 1000; and p is an integer ranging from 20 to 200, the units -CH 2 -C (R) (C (= O) ONa) and -CH 2 -C (R ') (C (= O) O- (CH 2) -cH2-0) pR'a) - being randomly or statistically distributed. 12. Cosmetic composition according to any one of claims 1 to 11, wherein the dispersant polymer has the following formula: ## STR2 ## in which: R and R ', which may be identical or different, represent, independently of one another, H or a linear or branched alkyl group comprising from 1 to 10 carbon atoms; x is an integer from 50 to 3000; Y is an integer ranging from 5 to 1000; and p is an integer ranging from 20 to 200, the units -CH 2 -C (R) (C (= O) ONa) and -CH 2 -C (R ') (C (= O) O- (CH 2) -CH2-0) pCH3) - being randomly or statistically distributed. 25 The cosmetic composition according to any one of claims 1 to 12, wherein the weight average molecular weight (Mw) of the dispersant polymer is from 50,000 to 90,000 g / mol. 14. Cosmetic composition according to any one of claims 1 to 13, wherein the dyestuff is chosen from pigments, and preferably from metal oxides, and preferably from iron oxides. 15. Cosmetic composition according to any one of claims 1 to 14, comprising at least one filler selected from inorganic or organic fillers. 10 15 16. Cosmetic composition according to any one of claims 1 to 15, comprising at least one hydrophilic thickener. 17. Cosmetic composition according to any one of claims 1 to 16, comprising at least one film-forming polymer in the form of particles dispersed in water. 18. Cosmetic composition according to any one of claims 1 to 17, comprising at least one non-volatile oil, preferably in a content ranging from 0.01% to 20% by weight relative to the total weight of the composition. 19. Non-therapeutic method of makeup and / or skincare comprising a step of applying to the skin at least one layer of a cosmetic composition according to any one of claims 1 to 18. 20. A process for coating keratinous fibers comprising a step of applying to said keratin fibers a cosmetic composition according to any one of claims 1 to 18.20.