FR3113600A1 - COMPOSITION COMPRISING A PIGMENT COATED WITH ISOPROPYL TITANIUM TRIISOSTEARATE - Google Patents

Abstract

Composition comprising a pigment coated with isopropyl titanium triisostearate The present invention relates to a water-in-oil emulsion comprising an oil phase and an aqueous phase comprising: (a) at least one oil; (b) at least one organic lipophilic gelling agent; (c) at least one isopropyl titanium triisostearate coated pigment; And (d) water; in which the amount of the organic lipophilic gelling agent (b) is greater than 0% by weight and less than 5% by weight relative to the total weight of the composition, and the quantity of the aqueous phase is at least 50% by weight relative to the total weight of the composition. Figure for abstract: none

Description

COMPOSITION COMPRISING A PIGMENT COATED WITH ISOPROPYL TITANIUM TRIISOSTEARATE

The present invention relates to a composition comprising at least one pigment coated with isopropyl titanium triisostearate, in particular a composition in the form of a water-in-oil (W/O) emulsion, for a keratin substance such as the skin.

STATE OF THE ART

Foundations are known and used in the cosmetics field to give a uniform shade to keratin substances such as the skin. Emulsions are commonly used in the form of liquid foundations because they are pleasant to use due to the feeling of freshness and moisture that the aqueous phase can provide. Also, good coverage as well as stability is necessary for liquid foundations.

DISCLOSURE OF INVENTION

One of the objectives of the present invention is to provide a composition in the form of a water-in-oil (W/O) emulsion for a keratinous substance, such as the skin, which has better coverage and better stability and can give a feeling of freshness to the keratin substance.

The above object of the present invention can be achieved by a water-in-oil (W/O) emulsion comprising an aqueous phase and an oily phase, comprising:

(a) at least one oil;

(b) at least one organic lipophilic gelling agent;

(c) at least one pigment coated with isopropyl titanium triisostearate; And

(d) water;

in which

the amount of the organic lipophilic gelling agent (b) is greater than 0% by weight and less than 5% by weight relative to the total weight of the composition, and

the quantity of the aqueous phase is at least 50% by weight relative to the total weight of the composition.

The organic lipophilic gelling agent (b) can be chosen from polysaccharide fatty acid esters, semi-crystalline polymers, polyamides and mixtures thereof.

The organic lipophilic gelling agent (b) can be chosen from fatty acid esters of polysaccharides.

The polysaccharide fatty acid esters can be dextrin esters.

The pigment (c) coated with isopropyl titanium triisostearate can be chosen from metal oxides, preferably titanium dioxide, iron oxides and mixtures thereof.

The amount of pigment(s) (c) coated with isopropyl titanium triisostearate may be equal to or greater than 0.1% by weight, preferably equal to or greater than 1% by weight, more preferably equal to or greater than 2% by weight, and most preferably equal to or greater than 4% by weight, and may be equal to or less than 20% by weight, preferably equal to or less than 15% by weight, of greater preferably equal to or less than 10% by weight, and most preferably equal to or less than 8% by weight, relative to the total weight of the composition.

The amount of the aqueous phase may be equal to or less than 90% by weight, preferably equal to or less than 80% by weight, more preferably equal to or less than 70% by weight, and even more preferably equal to or less than 60% by weight, relative to the total weight of the composition.

The amount of the oil (a) may be equal to or greater than 5% by weight, preferably equal to or greater than 10% by weight, more preferably equal to or greater than 15% by weight, and most preferably equal to or greater than 20% by weight, and may be equal to or less than 45% by weight, preferably equal to or less than 40% by weight, more preferably equal to or less than 35% by weight, and most preferably preferably equal to or less than 30% by weight, relative to the total weight of the composition.

The amount of water (d) may be equal to or greater than 20% by weight, preferably equal to or greater than 30% by weight, more preferably equal to or greater than 32% by weight, and even greater preferably equal to or greater than 35% by weight, and may be equal to or less than 70% by weight, preferably equal to or less than 60% by weight, more preferably equal to or less than 50% by weight, and further most preferably equal to or less than 45% by weight, relative to the total weight of the composition.

The composition according to the present invention may include at least one hydrophilic gelling agent.

The composition according to the present invention may include at least one organic UV screening agent.

The amount of the oily phase may be equal to or greater than 5% by weight, preferably equal to or greater than 10% by weight, more preferably equal to or greater than 20% by weight, and even more preferably equal to or greater than greater than 30% by weight, and may be equal to or less than 49% by weight, preferably equal to or less than 45% by weight, relative to the total weight of the composition.

The present invention also relates to a cosmetic process for a keratin substance such as the skin, comprising the step of applying the composition according to the present invention to the keratin substance.

After diligent research, the inventors have discovered that a W/O emulsion composition comprising at least 50% by weight of an aqueous phase and a combination of a specific amount of at least one organic lipophilic gelling agent and At least one pigment coated with isopropyl titanium triisostearate can provide keratin substances, such as the skin, with a better feeling of freshness and covering effect, while remaining stable.

Thus, the composition, preferably a cosmetic composition for a keratin substance, such as the skin, according to the present invention, is in the form of a W/O emulsion comprising an aqueous phase and an oily phase, and comprises:

(a) at least one oil;

(b) at least one organic lipophilic gelling agent;

(c) at least one pigment coated with isopropyl titanium triisostearate; And

(d) water;

in which

the amount of the organic lipophilic gelling agent (b) is greater than 0% by weight and less than 5% by weight relative to the total weight of the composition, and

the quantity of the aqueous phase is at least 50% by weight relative to the total weight of the composition.

A detailed description of the composition according to the present invention will be found below.

[Composition]

The composition of the present invention is in the form of a W/O emulsion comprising an aqueous phase and an oily phase.

The composition may be a cosmetic composition, preferably a cosmetic composition for a keratin substance, and more preferably a cosmetic skin care composition. Preferably, the composition according to the present invention can be used as a liquid foundation, as a make-up foundation and as a cream composition for skin care, and in particular as a liquid foundation. The composition can take the form of a lotion, milk, cream, liquid gel, paste or serum.

The quantity of the aqueous phase is at least 50% by weight relative to the total weight of the composition. The amount of the aqueous phase may be equal to or less than 90% by weight, preferably equal to or less than 80% by weight, more preferably equal to or less than 70% by weight, and even more preferably equal to or less than 60% by weight, relative to the total weight of the composition.

The amount of the oily phase is not particularly limited. In general, the amount of the oily phase can be equal to or greater than 5% by weight, preferably equal to or greater than 10% by weight, more preferably equal to or greater than 20% by weight, and even greater preferably equal to or greater than 30% by weight, and may be equal to or less than 49% by weight, preferably equal to or less than 45% by weight, relative to the total weight of the composition. The oily phase can include lipophilic, fat-soluble or fat-dispersible components.

According to the present invention, the composition comprises (a) at least one oil, (b) at least one organic lipophilic gelling agent, (c) at least one pigment coated with isopropyl titanium triisostearate, and (d) water. A detailed description of the ingredients of the composition will be found below.

(Oil)

The composition according to the present invention comprises (a) at least one oil. Two or more oils (a) can be used in combination. Thus, a single type of oil or a combination of different types of oil can be used. Oil (a) forms the oily phase of the composition according to the present invention.

For the purposes of the present invention, the expression "oil" means a fatty compound or substance which is in the form of a liquid or a paste (not solid) at room temperature (25 ° C) at atmospheric pressure (760 mm Hg). These oils can be volatile or non-volatile, preferably non-volatile.

The oil (a) can be a nonpolar oil such as a hydrocarbon oil, a silicone oil, or the like; a polar oil such as a vegetable or animal oil and an ester oil or an ether oil; or one of their mixtures.

It is preferable that oil (a) be selected from the group consisting of oils of vegetable or animal origin, synthetic oils, silicone oils and hydrocarbon oils, and mixtures of these oils .

Examples of vegetable oils include, for example, linseed oil, camellia oil, macadamia nut oil, corn oil, mink oil , olive oil, avocado oil, sasanqua oil, castor oil, safflower oil, jojoba oil, sunflower, almond oil, rapeseed oil, sesame oil, soybean oil, peanut oil, and mixtures thereof.

Examples of animal oils include, for example, squalene and squalane.

Examples of synthetic oils include alkane oils such as isododecane and isohexadecane, ester oils, ether oils, and artificial triglycerides.

The ester oils are preferably liquid esters of saturated or unsaturated, linear or branched C1 to C26 aliphatic monoacids or polyacids and saturated or unsaturated, linear or branched C1 to C26 aliphatic mono or polyalcohols, the total number of carbon atoms of the esters being greater than or equal to 10.

Preferably, for esters of monoalcohols, at least one of the alcohol and the acid from which the esters of the present invention are derived is branched.

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

Among the monoesters of monoacids and monoalcohols, it is possible to mention ethyl palmitate, hexyl ethyl palmitate, isopropyl palmitate, dicaprylyl carbonate, alkyl myristates such as isopropyl myristate or ethyl, isocetyl stearate, cetyl ethylhexanoate, 2-ethylhexyl isononanoate, isononyl isononanoate, isodecyl neopentanoate and isosteryl neopentanoate.

Esters of C4 to C22 dicarboxylic or tricarboxylic acids and C1 to C22 alcohols, and esters of monocarboxylic, dicarboxylic or tricarboxylic acid and C4 to C26 dihydroxy, trihydroxy, tetrahydroxy or pentahydroxy non-sugar alcohols can also be used.

Mention may in particular be made of: diethyl sebacate; isopropyl lauroyl sarcosinate; diisopropyl sebacate; bis(2-ethylhexyl) sebacate; diisopropyl adipate; di-n-propyl adipate; dioctyl adipate; bis(2-ethylhexyl) adipate; diisostearyl adipate; bis(2-ethylhexyl) maleate; triisopropyl citrate; triisocetyl citrate; triisostearyl citrate; glyceryl trilactate; glyceryl trioctanoate; trioctyldodecyl citrate; trioleyl citrate; neopentyl glycol diheptanoate; diethylene glycol diisononanoate.

As ester oils, C6 to C30 sugar esters and diesters and preferably C12 to C22 fatty acids can be used. It is recalled that the term “sugar” means compounds based on oxygen-bearing hydrocarbons containing several alcohol functions, with or without aldehyde or ketone functions, and which comprise at least 4 carbon atoms. These sugars can be monosaccharides, oligosaccharides or polysaccharides.

Examples of suitable sugars which may be mentioned include sucrose (or sucrose), glucose, galactose, ribose, fucose, maltose, fructose, mannose, arabinose, xylose and lactose, and their derivatives, in particular alkyl derivatives, such as methyl derivatives, for example methylglucose.

The sugar esters of fatty acids can be chosen in particular from the group comprising the esters or mixtures of esters of sugars described above and fatty acids C6 to C30 and preferably C12 to C22 linear or branched, saturated or unsaturated . If unsaturated, these compounds can have one to three conjugated or unconjugated carbon-carbon double bonds.

Examples of artificial triglycerides include, for example, capryl caprylic triglycerides, glyceryl trimyristate, glyceryl tripalmitate, glyceryl trilinoleate, glyceryl trilaurate, glyceryl tricaprate, glyceryl tricaprylate, tri (caprate/caprylate) and glyceryl tri(caprate/caprylate/linolenate).

Examples of preferable ester oils include, for example, diisopropyl adipate, dioctyl adipate, 2-ethylhexyl hexanoate, ethyl laurate, cetyl octanoate, cetyl ethylhexanoate, octyldodecyl octanoate, isodecyl neopentanoate, myristyl propionate, 2-ethylhexyl 2-ethylhexanoate, 2-ethylhexyl octanoate, 2-ethylhexyl (caprylate/caprate) , methyl palmitate, ethyl palmitate, isopropyl palmitate, dicaprylyl carbonate, isopropyl lauroyl sarcosinate, isononyl isononanoate, ethylhexyl palmitate, isohexyl laurate, hexyl laurate, isocetyl stearate, isopropyl isostearate, isopropyl myristate, isodecyl oleate, glyceryl tri(2-ethylhexanoate), pentaerythrityl tetra(2-ethylhexanoate) , 2-ethylhexyl succinate, diethyl sebacate and mixtures thereof.

As examples of silicone oils, mention may be made, for example, of linear organopolysiloxanes such as alkyldimethicone, in particular dimethylpolysiloxane and methylhydrogenpolysiloxane; phenylmethylicone, such as diphenylsiloxy phenyltrimethicone; and cyclic organopolysiloxanes such as cyclohexasiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, and other equivalents; and their mixtures. Preferably, the silicone oil is chosen from liquid polydialkylsiloxanes, in particular liquid polydimethyliloxanes (PDMS, dimethicone) and liquid polyorganosiloxanes comprising at least one aryl group. These silicone oils can also be organomodified. The organomodified silicones which can be used in accordance with the present invention are silicone oils as defined above and comprise in their structure one or more organofunctional groups attached via a hydrocarbon-based group.

The hydrocarbon oils can be chosen from:

- lower alkanes C6 to C16 linear or branched, optionally cyclic. Examples which may be mentioned include hexane, undecane, dodecane, tridecane, and isoparaffins, for example isohexadecane, isododecane and isodecane; And

- linear or branched hydrocarbons containing more than 16 carbon atoms, such as liquid paraffins, liquid petroleum jelly, polydecenes and hydrogenated polyisobutenes such as Parleam, and squalane.

As preferable examples of hydrocarbon oils, mention may be made, for example, of linear or branched hydrocarbons such as isohexadecane, isododecane, squalane, mineral oil (e.g., liquid paraffin), paraffin, petroleum jelly or petrolatum, naphthalenes, and the like; hydrogenated polyisobutene, isoeicosan, and a decene/butene copolymer; and their mixtures.

It may be preferable that the oil (a) is chosen from non-polar hydrocarbons which are in liquid form at room temperature.

It is also preferred that oil (a) be selected from the group consisting of hydrocarbon oils, esters of C4 to C22 dicarboxylic or tricarboxylic acids and C1 to C22 alcohols and esters of C4 to C22 monocarboxylic, dicarboxylic or tricarboxylic acids and non-sugar alcohol C4 to C26 dihydroxy, C4 to C15 trihydroxy, tetrahydroxy or pentahydroxy, and mixtures of these oils.

The oil or oils (a) may be present by weight equal to or greater than 5%, preferably by weight equal to or greater than 10%, more preferably by weight equal to or greater than 15%, and most preferably in weight equal to or greater than 20%, and may be present by weight equal to or less than 45%, preferably by weight equal to or less than 40%, more preferably by weight equal to or less than 35%, and of the greater preferably by weight equal to or less than 30%, relative to the total weight of the composition.

(Organic lipophilic gelling agent)

The composition according to the present invention comprises (b) at least one organic lipophilic gelling agent. Two or more organic lipophilic gelling agents (b) can be used in combination. Thus, a single type of organic lipophilic gelling agent or a combination of different types of organic lipophilic gelling agents can be used.

The organic lipophilic gelling agent of the present invention is liposoluble or lipodispersible.

Within the meaning of the present invention, the term “lipophilic” is understood here to mean substances having a solubility of at least 1 g/L, preferably 10 g/L, and more preferably 100 g/L at least, in an oil at room temperature (25°C) and atmospheric pressure (105 Pa). In another aspect, the term "lipophilic" can refer to substances which are not soluble in water or which have a solubility in water equal to or less than 1 g/L, or equal to or less than 0.1 g /L, at 25°C and atmospheric pressure.

Within the meaning of the present invention, the term “lipophilic gelling agent” means a compound capable of gelling the oily phase of the compositions according to the present invention. The gelling agent is lipophilic and can therefore be present in the oily phase of the composition.

The organic lipophilic gelling agent is ideally chosen from polysaccharide fatty acid esters, semi-crystalline polymers, polyamides and mixtures thereof.

• Polysaccharide fatty acid ester

Polysaccharides for fatty acid esters of polysaccharides include dextrin and inulin, but are not limited to. Preferably, the polysaccharide fatty acid esters are dextrin esters.

Fatty acids for polysaccharide fatty acid esters include, but are not limited to, C10 to C24, preferably C12 to C20, linear or branched, saturated or unsaturated fatty acids, e.g. myristic acid , oleic acid, palmitic acid, stearic acid, isopalmitic acid and isostearic acid.

Preferably, the polysaccharide fatty acid ester is selected from dextrin myristate and/or dextrin palmitate, and mixtures thereof.

According to a preferred embodiment, the dextrin ester is dextrin palmitate. This product can be chosen, for example, from the products sold under the names Rheopearl TL, Rheopearl KL and Rheopearl KL2 by the company Chiba Flour Milling.

• Semi-crystalline polymer

The term “semi-crystalline polymer”, within the meaning of the present invention, means polymers comprising a crystallizable portion, a chain or an independent block in the main chain and an amorphous portion in the main chain and having a phase change temperature first-order reversible, in particular a melting point (solid-liquid transition). When the crystallizable portion is a block of the main chain of the polymer, this crystallizable block has a different chemical nature from that of the amorphous blocks; in this case, the semi-crystalline polymer is a block polymer, for example, of the diblock, triblock or multiblock type.

The melting point of the semi-crystalline polymer is preferably below 150°C.

The melting point of the semi-crystalline polymer is preferably greater than or equal to 30°C and less than 100°C. Preferably, the melting point of the semi-crystalline polymer is greater than or equal to 30°C and less than 70°C. The melting point can be measured by any known method and in particular by a differential scanning calorimeter (Differential Scanning Calorimeter-DSC).

Ideally, the semi-crystalline polymer(s) of the composition of the present invention have an average molecular mass M greater than or equal to 2,000, for example ranging from 2,000 to 800,000, preferably from 3,000 to 500,000, for example from 4,000 to 150,000 and even better from 4,000 to 99,000.

In the composition according to the present invention, the semi-crystalline polymers are ideally soluble in the oily phase, to at least 1% by weight, at a temperature above their melting point. Apart from the crystallized chains or blocks, the blocks of the polymers are amorphous. Within the meaning of the present invention, the term "crystallizable chain or block" means a chain or a block which, if it were alone, would pass from the amorphous state to the crystalline state and vice versa, depending on whether the temperature is higher or below the melting point. Within the meaning of the present invention, the term "chain" means a group of atoms, pendent or lateral with respect to the main chain of the polymer. A "block" is a group of atoms belonging to the main chain, which constitutes one of the repeating units of the polymer.

Preferably, the crystallized blocks or chains of the semi-crystalline polymers represent at least 30% of the total weight of each polymer and better still at least 40%. The semi-crystalline polymers whose crystalline blocks are used according to the present invention are block or multiblock polymers. They can be obtained by polymerization of monomers comprising two reactive bonds (or ethyl bonds) or by polycondensation. When the polymers of the present invention are polymers having crystallized side chains, they are ideally in a random or random form.

The semi-crystalline polymers of the present invention are of synthetic origin. Also, they do not include a polysaccharide backbone.

The semi-crystalline polymers which can be used in the present invention are preferably chosen from polymers (homopolymers or copolymers) comprising at least one crystallized side chain and polymers (homopolymers or copolymers) comprising at least one crystallized block. The crystallized side chain(s) or block(s) are hydrophobic.

According to the specific embodiment of the present invention, the semi-crystalline polymers are chosen in particular from homopolymers and copolymers resulting from the polymerization of at least one monomer having one or more crystallized chains, this chain being chosen from alkyl chains comprising at least 11 carbon atoms and at most 40 carbon atoms and even better at most 24 carbon atoms. These are in particular alkyl chains comprising at least 12 carbon atoms and alkyl chains preferably comprising from 14 to 24 carbon atoms (C14 to C24). They can be hydrocarbon alkyl chains (carbon atoms) or fluoroalkyl or perfluoroalkyl chains (carbon atoms, fluorinated atoms and optionally hydrogen atoms). When they are fluoroalkyl or perfluoroalkyl chains, they comprise at least 11 carbon atoms, including at least 6 fluorinated carbon atoms.

According to a specific embodiment of the present invention, the semi-crystalline polymer is chosen from homopolymers obtained by polymerization of at least one monomer having a crystallized chain, chosen from C14 to C24 alkyl (meth)acrylates, C11 to C15 perfluoroalkyl (meth)acrylates, N-(C14 to C24 alkyl)(meth)acrylamides with or without fluorinated atoms, vinyl esters having C14 to C24 alkyl or perfluoroalkyl chains, vinyl ethers having C14 to C24 alkyl or perfluoroalkyl chains, C14 to C24 α-olefins or paraalkylstyrenes having a C14 to C24 alkyl group, and among the copolymers of these monomers obtained by copolymerization of these monomers with a hydrophilic monomer, preferably another than methacrylic acid, such as, for example, N-vinylpyrrolidone, hydroxyethyl acrylate, hydroxyethyl methacrylate or acrylic acid. These copolymers can, for example, be copolymers of C14-C24 alkyl acrylate, C14-C24 alkyl methacrylate, C14-C24 alkylacrylamide or C14-C24 alkylmethacrylamide with N-vinylpyrrolidone , hydroxyethyl acrylate, hydroxyethyl methacrylate or acrylic acid, or mixtures thereof.

According to the present invention, the semi-crystalline polymer is a homopolymer resulting from the polymerization of a monomer having a crystallized chain chosen from C14 to C24 alkyl acrylates and C14 to C24 alkyl methacrylates. Mention should in particular be made of those sold under the name Intelimer® by Landec, described in the Intelimer® Polymers, Landec IP22 brochure. These polymers are in solid form at room temperature. They include crystallized side chains and correspond to saturated C14 to C24 alkyl acrylate or methacrylate homopolymers. Mention should more particularly be made of stearyl acrylate homopolymer (Intelimer IPA-13.1) (INCI name: Poly C10-30 alkyl acrylate) or behenyl acrylate homopolymer (Intelimer IPA-13.6) (INCI name: Poly C10-30 alkyl acrylate).

According to another specific embodiment of the present invention, the semi-crystalline polymer is a copolymer of C14 to C24 alkyl acrylates or C14 to C24 alkyl methacrylates with acrylic acid. Mention should be made, as copolymers of this type, of the copolymers obtained by copolymerization of behenyl acrylate and of acrylic acid and the copolymers obtained by copolymerization of stearyl acrylate and of acrylic acid.

According to the preferred embodiment of the present invention, the semi-crystalline polymer is a homopolymer and is chosen from stearyl acrylate homopolymer (Intelimer IPA-13.1) (INCI name: Poly C10-30 alkyl acrylate), behenyl acrylate homopolymer (Intelimer IPA-13.6) (INCI name: poly C10-30 alkyl acrylate) and mixtures thereof.

• Polyamid

For the purposes of the present invention, the term “polyamide” is understood to mean a compound containing at least 2 amide repeating units, preferably at least 3 amide repeating units and even better still 10 amide repeating units.

The polyamides as lipophilic gelling agent are chosen from hydrocarbon-based polyamides and silicone polyamides, and mixtures thereof.

The term “polyamide based on hydrocarbons” denotes a polyamide consisting essentially of carbon and hydrogen atoms, or even of oxygen or nitrogen atoms, and comprising no silicon or fluorine atom. It may contain alcohol, ester, ether, carboxylic acid, amine and/or amide groups.

Ideally, the polyamide of the composition according to the present invention has a weight-average molecular mass of less than 100,000 g/mol (particularly between 1,000 and 100,000 g/mol), in particular less than 50,000 g/mol (particularly between 1,000 and 50,000 g/mol) and more particularly between 1,000 and 30,000 g/mol, preferably between 2,000 and 20,000 g/mol and better still between 2,000 and 10,000 g/mol.

The hydrocarbon-based polyamide used in the present invention includes aliphatic polyamides, for example polyamide-4, polyamide-6, polyamide-8, polyamide-11, polyamide-12, polyamide-4,6, polyamide-6,6 , polyamide-6,9, polyamide-6,10, and polyamide-6,12; polyamides derived from an aliphatic diamine and an aromatic dicarboxylic acid, for example polyamide-4,T, polyamide-6,T, polyamide-4,I, etc. in which T represents terephthalate and I represents isophthalate; copolyamides of linear polyamides and of copolyamides of an aliphatic polyamide and a partially aromatic polyamide, for example 6/6,T, 6/6,6/6,T, as well as amorphous polyamides of the Trogamid® PA 6- types 3-T and Grilamid® TR 55.

Preferably, the hydrocarbon-based polyamides are chosen from aliphatic polyamides such as polyamide-4, polyamide-6, polyamide-8, polyamide-11, polyamide-12, polyamide-4,6, polyamide-6,6, polyamide-6, 9, polyamide-6,10, and polyamide-6,12.

Preferably, the hydrocarbon-based polyamides can be aliphatic polyamides containing dimer acid(s). The dimer acid included in the aliphatic polyamides is preferably a dimer of fatty acids, preferably of C6 to C30 linear or branched, saturated or unsaturated fatty acids, optionally substituted by one or more hydroxyl groups. More preferably, the dimer acid is a dimer of C6 to C30, unsubstituted, linear and saturated fatty acids, such as hydrogenated linoleic acids.

In a preferable embodiment of the present invention, the polyamide is an aliphatic polyamide terminated at (a) monovalent acid(s) and/or monovalent alcohol(s) (a). s). The monovalent acid can be a monovalent fatty acid, preferably C6-C30 fatty acids, linear or branched, saturated or unsaturated, which are optionally substituted by one or more hydroxyl groups. The monovalent alcohol can be a monovalent fatty alcohol, preferably a C6 to C30 fatty alcohol, non-oxyalkylenated, saturated or not, linear or branched. Preferably, the monovalent alcohol can be a C6 to C30 fatty alcohol, non-oxyalkylenated, saturated and linear, such as stearyl alcohol.

Preferably, the polyamide is an aliphatic polyamide terminated with a monovalent alcohol.

According to a specific embodiment of the present invention, the polyamide is a polyamide comprising an amide ester terminus of formula (I):

in which X represents an -OR1 group in which R1 is a C8 to C22, preferably C16 to C22, linear or branched alkyl radical, which may be identical or different, R 2 is a diacid residue of a C28 to C42 dimer , R3 is an ethylenediamine radical and n is between 2 and 5.

Mention should be made, as polyamide compounds of formula (I), of the commercial products sold by Arizona Chemical under the names Uniclear 80 and Uniclear 100 or also Uniclear 80 V, Uniclear 100 V and Uniclear 100 VG, whose name INCI stands for “ethylenediamine/stearyl dimer dilinoleate copolymer”. They are sold in the form of a gel comprising 80% of active ingredient in a mineral oil and comprising 100% of the active ingredient. They have a softening point of 88 to 94°C. These commercial products are a mixture of copolymers of a C36 diacid condensed with ethylenediamine, with a weight-average molecular weight of about 6000 g/mol. Terminal ester groups result from the esterification of the remaining acid terminals with cetyl alcohol, stearyl alcohol, or mixtures thereof (also known as cetyl stearyl alcohol).

As regards the silicone polyamide, mention may be made of polymers comprising at least one unit of formula (II) or (III):

Or

in which :

R4, R5, R6 and R7, which may be identical or different, represent a group chosen from:

- groups based on C1 to C40 hydrocarbons, saturated or unsaturated, linear, branched or cyclic, which may contain in their chain one or more oxygen, sulfur and/or nitrogen atoms, and which may be partially or totally replaced by fluorinated atoms,

- C6 to C10 aryl groups, optionally replaced by one or more C1 to C4 alkyl groups,

- polyorganosiloxane chains optionally containing one or more oxygen, sulfur and/or nitrogen atoms,

- the X groups, which may be identical or different, represent a C1 to C30 alkylenediyl group, linear or branched, optionally containing in its chain one or more oxygen and/or nitrogen atoms,

- Y is a divalent C1 to C50 alkylene, arylene, cycloalkylene, alkylarylene or arylalkylene group, saturated or unsaturated, linear or branched, which may comprise one or more oxygen atoms, sulfur and/or nitrogen, and/or contain in substitution one of the following atoms or groups of atoms: fluorine, hydroxyl, C3 to C8 cycloalkyl, C1 to C40 alkyl, C5 to C10 aryl, optionally phenyl substituted with one to three C1-C3 alkyl, hydroxy C1-C3 alkyl and amino C1-C6 alkyl groups, or

Y represents a group corresponding to the formula:

in which :

- T represents a C3 to C24 hydrocarbon group, linear or branched, saturated or unsaturated, trivalent or tetravalent, optionally substituted by a polyorganosiloxane chain, and optionally containing one or more atoms chosen from O, N and S, or T represents an atom trivalent selected from N, P and Al, and

- R8 represents a linear or branched C1 to C50 alkyl group or a polyorganosiloxane chain, optionally comprising one or more ester, amide, urethane, thiocarbamate, urea, thiourea and/or sulfonamide, which can be linked to another chain of the polymer;

- n is an integer between 2 and 500 and preferably between 2 and 200, and m is an integer between 1 and 1000, preferably between 1 and 700 and even better between 6 and 200.

The amount of organic lipophilic gelling agent(s) (b) is greater than 0% by weight and less than 5% by weight relative to the total weight of the composition. The organic lipophilic gelling agent(s) (b) may be present by weight equal to or greater than 0.1%, preferably by weight equal to or greater than 0.2%, most preferably by weight equal to or greater than 0.5% and most preferably by weight equal to or greater than 1%, and may be present by weight equal to or less than 4.5%, of preferably by weight equal to or less than 4%, more preferably by weight equal to or less than 3% and most preferably by weight equal to or less than 3%, relative to the total weight of the composition.

(Pigment coated with isopropyl titanium triisostearate)

The composition according to the present invention comprises at least one pigment coated with isopropyl titanium triisostearate (c). Two or more pigments coated with isopropyl titanium triisostearate (b) can be used in combination. Thus, a single type of isopropyl titanium triisostearate coated pigment or a combination of different types of isopropyl titanium triisostearate coated pigments can be used.

The term “pigments” denotes white or colored particles, inorganic or organic, insoluble in an aqueous medium and which are intended to color and/or opacify the resulting composition. These pigments can be white or colored, mineral and/or organic.

According to a particular embodiment, the pigments used in the present invention are chosen from mineral pigments. The term "mineral pigment" refers to any inorganic pigment. Among the mineral pigments useful in the present invention, mention may be made of metal oxides, such as zirconium oxide or cerium oxide, titanium dioxide and also zinc oxide, iron oxide (black , yellow or red) or chromium oxide, as well as manganese violet, ultramarine blue, chromium hydrate and ferric blue, and metallic powders, for example aluminum or copper powder, or any combination of these powders. The following mineral pigments can also be used: Ta2O5, Ti3O5, Ti2O3, TiO, ZrO2 mixed with TiO2, ZrO2, Nb2O5, CeO2, or ZnS. In the context of the present invention, the mineral pigments are more particularly iron oxide and/or titanium dioxide.

The average particle size of the coated pigment is generally 100 nm or more. The average particle size of the coated pigment according to the present invention can range from 100 nm to 25 μm, preferably from 200 nm to 10 μm. For the purposes of the present invention, the D50 size, or volume average size, corresponds to the size of the particles defined such that 50% by volume of the particles have a size greater than D50. The volume average size can be evaluated by light diffraction using a Malvern MasterSizer laser particle size analyzer, said particles having to be evaluated in a liquid medium, for example octyldodecyl neopentanoate.

The pigments can also be nacres and/or particles with metallic reflections. By “nacres”, it is necessary to understand iridescent or non-iridescent colored particles of any shape, in particular produced by certain molluscs in their shell or else synthesized, which have a color effect by optical interference.

The nacres can be chosen from pearlescent pigments such as titanium mica coated with iron oxide, titanium mica coated with bismuth oxychloride, titanium mica coated with chromium oxide, titanium mica coated with an organic dye and pearlescent pigments based on bismuth oxychloride. It can also be particles of mica on the surface of which at least two successive layers of metal oxides and/or organic dyes are superimposed.

The pigments of the present invention are coated with isopropyl titanium triisostearate, ie the surface of the pigments is coated or treated with isopropyl titanium triisostearate.

The surface-treated pigments can be prepared using chemical, electronic, mechanochemical or mechanical surface treatment techniques well known to those skilled in the art. Commercial products can also be used. The surfactant of isopropyl titanium triisostearate can be absorbed, adsorbed or grafted onto the surface of pigments by evaporation of the solvent, chemical reaction and creation of a covalent bond.

According to the embodiment of the present invention, the surface treatment consists of a coating of the pigments. For the purposes of the present invention, the “coating” of a pigment generally represents the total or partial surface treatment of the pigment with a surfactant absorbed, adsorbed or grafted onto said pigment. The coating can represent from 0.1% to 20% by weight and, in particular, from 0.5% to 5% by weight relative to the total weight of the coated pigment.

The surface treatment with isopropyl titanium triisostearate gives the pigments a hydrophobic character. Therefore, the isopropyl titanium triisostearate coated pigment (c) of the present invention exhibits hydrophobicity and lipophilicity. Consequently, the pigment (c) coated with isopropyl titanium triisostearate can be dispersed and included in the oily phase of the composition according to the present invention.

In one of the preferred embodiments of the present invention, the pigment (c) coated with isopropyl titanium triisostearate can be chosen from titanium dioxide coated with isopropyl titanium triisostearate, iron oxide coated with titanium triisostearate isopropyl and a combination of this pigment.

The pigment(s) coated with isopropyl titanium triisostearate may be present in an amount equal to or greater than 0.1% by weight, preferably equal to or greater than 1% by weight, more preferably equal or greater than 2% by weight, and most preferably equal to or greater than 4% by weight, and may be present in an amount equal to or less than 20% by weight, preferably equal to or less than 15% by weight, most preferably equal to or less than 10% by weight, and most preferably equal to or less than 8% by weight, relative to the total weight of the composition.

(Water)

The composition according to the present invention comprises water (d). The water (d) forms the aqueous phase of the composition in accordance with the present invention.

The amount of water may be equal to or greater than 20% by weight, preferably equal to or greater than 30% by weight, more preferably equal to or greater than 32% by weight, and even more preferably equal to or greater than to 35% by weight, relative to the total weight of the composition.

The amount of water may be less than or equal to 70% by weight, preferably 60% or less by weight, more preferably 50% or less by weight, and even more preferably 45% or less by weight, relative to the total weight of the composition.

(Other ingredients)

• Emulsifier

According to the present invention, the composition may comprise at least one emulsifier chosen from amphoteric, anionic, cationic or nonionic surfactants, used alone or as a mixture. Preferably, the composition comprises at least one nonionic surfactant. In particular, the emulsifier can be selected from nonionic surfactants.

Examples of nonionic surfactants useful in the compositions of the present invention may include polyethoxylated fatty alcohols or polyglycerolated fatty alcohols, such as additives of ethylene oxide with lauryl alcohol, in particular those containing from 9 to 50 oxyethylene units (Laureth-9 to Laureth-50 in their INCI name), in particular Laureth-9; esters of polyols and fatty acids possessing a saturated or unsaturated chain comprising, for example, from 8 to 24 carbon atoms, and their oxyalkylenated derivatives, that is to say comprising oxyethylene and/or oxypropylene units, such as esters of glycerol and C8 to C24 fatty acids, and their oxyalkylenated derivatives, in particular polyoxyethylenated glyceryl stearate (mono-, di- and/or tristearate), for example PEG-20 glyceryl triisostearate; C8 to C40 monoglycerol or polyglycerol fatty esters; sugar esters of C8 to C24 fatty acids, such as sorbitan palmitate, sorbitan isostearate, sorbitan trioleate, and their oxyalkylenated derivatives, such as polyethoxylated sorbitol esters of C8 fatty acids at C24, in particular Polysorbate 80, such as the product marketed under the name “TWEEN 80” by Croda; ethers of sugars and C8 to C24 fatty alcohols, such as caprylyl/capryl glucoside; polyoxyethylene alkyl ethers; polyoxyethylene oxypropylene alkyl ethers; fatty acid alkanolamides; alkylamine oxides; alkyl polyglycosides and silicone surfactants, such as polydimethylsiloxane containing oxyethylene groups and/or oxypropylene groups, for example PEG-10 dimethicone, cetyl-PEG/PPG-10/1 dimethicone, bis-PEG/PPG-14 /14 dimethicone, bis-PEG/PPG-20/20 dimethicone, PEG-9 polydimethylsiloxyethyl dimethicone and PEG/PPG-20/6 dimethicone and polyglyceryl fatty acid esters such as polyglyceryl-6 dicaprate, polyglyceryl-6 dioleate, polyglyceryl-6 caprylate, polyglyceryl-2 oleate and polyglyceryl-6 polyricinoleate; and their mixtures.

The polyoxyethylene fatty esters can also be chosen from diesters of polyethylene glycol and of fatty acids, such as saturated or unsaturated, linear or branched C8 to C30 acids, which can have one or more substitutes such as a hydroxyl group and groups hydroxyls. The fatty acids can take the form of a polymer of fatty acids each of which has one or more hydroxyl groups. Such a polymer can be made by esterifying the carboxyl group of a fatty acid having one or more hydroxyl groups and the hydroxyl group of another fatty acid having one or more hydroxyl groups. Mention may be made, for example, of polyhydroxystearate. Thus, as polyoxyethylenated fatty ester, mention may be made of PEG-30 dipolyhydroxystearate.

Additionally, the emulsifier can be cross-linked silicone emulsifiers, such as polyoxyalkylenated silicone elastomers and polyglycerolated silicone elastomers.

As polyoxyalkylenated silicone elastomers, those having the following INCI names can be used: Dimethicone/PEG-10/15 Crosspolymer, PEG-15/Lauryl Dimethicone Crosspolymer, PEG-10/Lauryl Dimethicone Crosspolymer, PEG-12 Dimethicone Crosspolymer , PEG-10 Dimethicone Crosspolymer, PEG-10 Dimethicone/Vinyl Dimethicone Crosspolymer, PEG-12 Dimethicone/PPG-20 Crosspolymer, and mixtures thereof.

As regards polyglycerolated silicone elastomers, mention may be made of the compounds whose INCI names are as follows:

Dimethicone/Polyglycerin-3 Crosspolymer, Lauryl Dimethicone/Polyglycerin-3 Crosspolymer, and mixtures thereof. They are in particular sold by the company Shin Etsu under the following names: KSG-710®; INCI name: Dimethicone/Polyglycerin-3 Crosspolymer and Dimethicone; KSG-810®; INCI name: Mineral Oil and Lauryl Dimethicone/Polyglycerin-3 Crosspolymer; KSG-820®; INCI name: Isododecane and Lauryl Dimethicone/Polyglycerin-3 Crosspolymer; KSG-830®; INCI name: Triethylhexanoin and Lauryl Dimethicone/Polyglycerin-3 Crosspolymer; KSG-840®; INCI name: Squalane and Lauryl Dimethicone/Polyglycerin-3 Crosspolymer.

The amount of emulsifier(s) in the composition can be equal to or greater than 1% by weight, preferably equal to or greater than 2% by weight, and more preferably equal to or greater than 3% by weight, and can be equal to or less than 10% by weight, preferably equal to or less than 8% by weight, and more preferably equal to or less than 5% by weight, relative to the total weight of the composition.

• Cosmetically acceptable hydrophilic organic solvent

According to the present invention, the composition may comprise at least one cosmetically acceptable hydrophilic organic solvent. The cosmetically acceptable hydrophilic organic solvent(s) may include, for example, substantially linear or branched lower mono-alcohols having between 1 and 8 carbon atoms, such as ethanol , propanol, butanol, isopropanol and isobutanol; aromatic alcohols, such as benzyl alcohol and phenylethyl alcohol; polyols or polyol ethers, such as propylene glycol, dipropylene glycol, isoprene glycol, butylene glycol, glycerin, propanediol, caprylyl glycol, sorbitol, ethylene glycol monomethyl, monoethyl ethers and monobutyl ethers, propylene glycol ethers, such as propylene glycol monomethyl ether, diethylene glycol alkyl ethers, such as diethylene glycol monoethyl ether or monobutyl ether; polyethylene glycols, such as PEG-4, PEG-6 and PEG-8, and their derivatives, and their combination.

The amount of cosmetically acceptable hydrophilic organic solvent(s) in the composition according to the present invention may be equal to or greater than 1% by weight, preferably equal to or greater than 5% by weight, and more preferably equal to or greater than 10% by weight, and may be equal to or less than 25% by weight, preferably equal to or less than 20%, and more preferably equal to or less than 15% by weight, relative to the total weight of the composition.

• Filtered Organic UV

The composition according to the present invention may include at least one organic UV screening agent. Two or more types of organic UV filters may be included in combination.

The organic UV filter can be selected from the group consisting of anthranilic derivatives; dibenzoylmethane derivatives; cinnamic derivatives, such as ethylhexyl methoxycinnamate; salicylic derivatives such as homosalate (homomenthyl salicylate) and ethylhexyl salicylate; camphor derivatives; benzophenone derivatives; β,β-diphenylacrylate derivatives; triazine derivatives; benzotriazole derivatives; benzalmalonate derivatives; benzimidazole derivatives; imidazoline derivatives; bis-benzoazolyl derivatives; p-aminobenzoic acid ((PABA)) and its derivatives; benzoxazole derivatives; filter polymers and filter silicones; dimers derived from α-alkylstyrene; 4,4-diarylbutadienes; octocrylene and its derivatives, guaiazulene and its derivatives, rutin and its derivatives, flavonoids, biflavonoids, oryzanol and its derivatives, quinic acid and its derivatives, phenols, retinol , cysteine, aromatic amino acids, peptides having an aromatic amino acid residue, and mixtures thereof.

The amount of organic UV screening agents in the composition may be equal to or greater than 0.1% by weight, preferably equal to or greater than 1% by weight, and more preferably equal to or greater than 3% by weight, and equal to or less than 15% by weight, preferably equal to or less than 10% by weight, and more preferably equal to or less than 7% by weight, relative to the total weight of the composition.

• Inorganic UV filter

The composition according to the present invention may include at least one inorganic UV screening agent. Two or more types of inorganic UV filters may be included in combination.

It is preferable that the inorganic UV filter is in the form of a fine particle such that its average (primary) diameter varies from 1 nm to 50 nm, preferably from 5 nm to 40 nm, and more preferably from 10 nm to 30 nm. The average (primary) particle size or the average (primary) particle diameter is here an arithmetic mean diameter.

The inorganic UV screening agent can be selected from the group consisting of metal oxides which may or may not be coated, and mixtures thereof.

Preferably, the inorganic UV filters can be selected from metal oxides (average size of the primary particles: generally from 5 nm to 50 nm, preferably from 10 nm to 50 nm), such as, for example, the oxide titanium (amorphous or crystalline in the form of rutile and/or anatase), iron oxide, zinc oxide, zirconium oxide or cerium oxide, all of which are well-known UV photoprotective agents in itself. Preferably, the inorganic UV filters can be selected from titanium oxide, zinc oxide, and more preferably titanium oxide.

The inorganic UV filter may or may not be coated. The inorganic UV filter can have at least one coating. The coating may comprise at least one compound selected from the group consisting of alumina, silica, aluminum hydroxide, silicones, silanes, fatty acids or their salts (such as sodium, potassium , zinc, iron or aluminium), fatty alcohols, lecithin, amino acids, polysaccharides, proteins, alkanolamines, waxes such as beeswax, polymers (meth) acrylics, organic UV filters and (per)fluorinated compounds.

Coated inorganic UV filters can be titanium oxides coated with:

• silica, such as Ikeda's "Sunveil" product;
• silica and iron oxide, such as Ikeda's “Sunveil F” product;
• silica and alumina, such as the products “Microtitanium Dioxide MT 500 SA” from Tayca, “Tioveil” from Tioxyde and “Mirasun TiW 60” from Rhodia;
• alumina, such as the products “Tipaque TTO-55 (B)” and “Tipaque TTO-55 (A)” from Ishihara, and “UVT 14/4” from Kemira;
• alumina and aluminum stearate, such as the product “Microtitanium Dioxide MT 100 T, MT 100 TX, MT 100 Z or MT-01” from Tayca, the products “Solaveil CT-10 W” and “Solaveil CT 100” from Uniqema , and the product “Eusolex T-AVO” from Merck;
• alumina and aluminum laurate, such as the product “Microtitanium Dioxide MT 100 S” from Tayca;
• iron oxide and iron stearate, such as the product “Microtitanium Dioxide MT 100 F” from Tayca;
• zinc oxide and zinc stearate, such as Tayca's "BR351" product;
• silica and alumina and treated with a silicone, such as the products “Microtitanium Dioxide MT 600 SAS”, “Microtitanium Dioxide MT 500 SAS” and “Microtitanium Dioxide MT 100 SAS” from Tayca;
• silica, alumina and aluminum stearate and treated with a silicone, such as the product “STT-30-DS” from Titan Kogyo;
• silica and treated with a silicone, such as the product “UV-Titan X 195” from Kemira;
• alumina and treated with a silicone, such as the products “Tipaque TTO-55 (S)” from Ishihara or “UV Titan M 262” from Kemira;
• triethnolamine, such as the product "STT-65-S" from Titan Kogyo;
• stearic acid, such as the product "Tipaque TTO-55 (C)" from Ishihara; Or
• sodium hexametaphosphate, such as the product “Microtitanium Dioxide MT 150 W” from Tayca;
• stearic acid and aluminum hydroxide, such as Tayca's "MT-100 TV" product, with an average primary particle diameter of 15 nm;
• dimethicone and stearic acid and aluminum hydroxide, such as Miyoshi Kasei's "SA-TTO-S4" product, with an average primary particle diameter of 15 nm;
• silica, such as Tayca's "MT-100 WP" product, with an average primary particle diameter of 15 nm;
• dimethicone, silica and aluminum hydroxide, such as Tayca's "MT-Y02" and "MT-Y-110 M3S" products, with an average primary particle diameter of 10 nm;
• dimethicone and aluminum hydroxide, such as Miyoshi Kasei's "SA-TTO-S3" product, with an average primary particle diameter of 15 nm;
• dimethicone and alumina, such as the product “UV TITAN M170” from Sachtleben, with an average primary particle diameter of 15 nm;
• silica and aluminum hydroxide and alginic acid, such as Tayca's "MT-100 AQ" product, with an average primary particle diameter of 15 nm; And
• aluminum hydroxide and dimethicone and hydrogen dimethicone, such as the product "SAS-UT-A30" from Miyoshi Kasei.

The amount of inorganic UV screening agents in the composition may be equal to or greater than 0.1% by weight, preferably equal to or greater than 1% by weight, and more preferably equal to or greater than 3% by weight, and equal to or less than 15% by weight, preferably equal to or less than 10% by weight, and more preferably equal to or less than 7% by weight, relative to the total weight of the composition.

• Silicone elastomer

The composition according to the present invention can include at least one silicone elastomer. Two or more types of silicone elastomers may be included in combination.

The term “silicone elastomer” or “organopolysiloxane elastomer” designates a flexible and deformable silicone having viscoelastic properties, and in particular the consistency of a sponge or a flexible sphere. The silicone elastomer can in particular be a crosslinked silicone elastomer.

The silicone elastomer is ideally a non-emulsifying elastomer. The term “non-emulsifying” designates here silicone elastomers not containing a hydrophilic chain and in particular not containing polyoxyalkylene units (in particular polyoxyethylene or polyoxypropylene units) or polyglyceryl units. Thus, according to a specific form of the current invention, the composition comprises a silicone elastomer devoid of polyoxyalkylene units and of polyglyceryl unit.

In particular, the silicone elastomer used in the present invention is chosen from Dimethicone Crosspolymer (INCI name), Vinyl Dimethicone Crosspolymer (INCI name), Dimethicone/Vinyl Dimethicone Crosspolymer (INCI name) or Dimethicone Crosspolymer-3 (INCI name).

According to a particular embodiment of the present invention, a silicone elastomer gel dispersed in a silicone oil chosen from a non-exhaustive list comprising cyclopentadimethylsiloxane, dimethicones, dimethylsiloxanes, methyl trimethicone, phenyl methicone, phenyl dimethicone, phenyl trimethicone is used. and cyclomethicone, preferably a linear silicone oil chosen from polydimethylsiloxanes (PDMS) or dimethicones with a viscosity at 25°C ranging from 1 to 500 cSt, optionally modified with optionally fluorinated aliphatic groups, or with functional groups such as groups hydroxyl, thiol and/or amine.

Mention may be made in particular of the compounds whose INCI names are as follows:

- Dimethicone/Vinyl Dimethicone Crosspolymer, such as USG-105 and USG-107A from Shin-Etsu; DC9506 and DC9701 from Dow Corning;

- Dimethicone/Vinyl Dimethicone Crosspolymer (and) Dimethicone, such as KSG-6 and KSG-16, from the company Shin-Etsu;

- Dimethicone/Vinyl Dimethicone Crosspolymer (and) Cyclopentasiloxane, such as KSG-15;

- Cyclopentasiloxane (and) Dimethicone Crosspolymer, such as DC9040, DC9045 and DC5930, from Dow Corning;

- Dimethicone (and) Dimethicone Crosspolymer, such as DC9041, from Dow Corning;

- Dimethicone (and) Dimethicone Crosspolymer, such as Dow Corning EL-9240® Silicone Elastomer Blend, from Dow Corning (mixture of polydime-thylsiloxane crosslinked with hexadiene/polydimethylsiloxane (2 cSt));

- C4-24 Alkyl Dimethicone/Divinyl Dimethicone Crosspolymer, such as NuLastic Silk MA by the company Alzo;

- Polysilicone-11 and Cyclohexasiloxane such as Gransil RPS-D6 from the company Grant Industries (comprising 87% of Cyclohexasiloxane and 13% of Polysilicone-11), Polysilicone-11 and isododecane such as Gransil PC-12 from the company Grant Industries (with polysilicone-11:isododecane weight ratio of 13:87).

The amount of silicone elastomer(s) in the composition may be equal to or greater than 0.1% by weight, preferably equal to or greater than 0.5% by weight, and more preferably equal to or greater than 1% by weight, and equal to or less than 10% by weight, preferably equal to or less than 7% by weight, and more preferably equal to or less than 5% by weight, relative to the total weight of the composition.

• Hydrophilic gelling agent

The composition according to the present invention may include at least one hydrophilic gelling agent. Two or more kinds of hydrophilic gelling agents may be included in combination.

The term “hydrophilic” here designates substances having a solubility of at least 1 g/L, preferably at least 10 g/L, and more preferably at least 100 g/L, in water at room temperature ( 25°C) and atmospheric pressure (105 Pa). Preferably, the hydrophilic gelling agent is insoluble in oil, that is to say it has a solubility of less than 1 g/L, preferably less than 0.1 g/L in oils at temperature ambient (25°C) and at atmospheric pressure (105 Pa).

The hydrophilic gelling agent usable in the composition according to the present invention can include water-soluble polymers such as, for example, anionic acrylate polymers such as Salcare® AST and cationic acrylate polymers such as Salcare® SC96; acrylamidopropyltrimonium chloride/acrylamide; hydroxyethyl methacrylate polymers, Steareth-10 Allyl Ether/Acrylate Copolymer; The Acrylates/Beheneth-25 Metacrylate copolymer, known as Aculyn® 28; glyceryl polymethacrylate, Acrylates/Steareth-20 Methacrylate copolymer; bentonite; gums such as cellulose gum, alginates, carrageenans, acacia gum, arabic gum, ghatti gum, karaya gum, tragacanth gum, guar gum; ; guar hydroxypropyltrimonium chloride, xanthan gum or gellan gum; cellulose derivatives such as sodium carboxymethylcellulose, hydroxyethylcellulose, hydroxymethylcarboxyethylcellulose, hydroxymethylcarboxypropylcellulose, ethylcellulose, sulphated cellulose, hydroxypropylcellulose, methylcellulose, hydroxypropylmethylcellulose, microcrystalline cellulose; the station ; pectin; gelatin; starch and its derivatives; chitosan and its derivatives such as hydroxyethyl chitosan; polyvinyl alcohol, PVM/MA copolymer, decadiene PVM/MA cross-copolymer, gelling agents based on poly(ethylene oxide), sodium carbomer and mixtures of these agents.

The amount of hydrophilic gelling agent in the composition may be equal to or greater than 0.05% by weight, preferably equal to or greater than 0.1% by weight, and more preferably equal to or greater than 0.2% by weight. weight, and equal to or less than 5% by weight, preferably equal to or less than 3% by weight, and more preferably equal to or less than 2% by weight, relative to the total weight of the composition.

• Additives

The compositions according to the present invention may also contain various adjuvants usually used in the compositions of cosmetic products, which may be chosen from physiologically acceptable vectors, cationic, anionic, nonionic, amphoteric or zwitterionic polymers or mixtures thereof, organic fillers, antioxidants such as tocopherol, basifying agents such as ethanolamine, acidifying agents, neutralizing agents, such as triethanolamine, sequestering agents, such as disodium EDTA, plant extracts, such as the extract of rosa centifolia flower, perfumes, emollients, dispersing agents, colorants, film-forming and/or thickening agents, ceramides, preservatives, such as phenoxy ethanol and chlorphenesin, electrolytes, such as sulphate of magnesium, co-preservatives, such as decylene glycol, ethylhexyl glycerin and caprylyl glycol, and opacifying agents.

The quantity of additional ingredient(s) is not limited, but may be from 0.1 to 30% by weight relative to the total weight of the composition according to the current invention.

The composition preferably has a pH compatible with the skin, which generally ranges from 3 to 9 and preferably from 4 to 8.

The viscosity of the composition according to the current invention is not particularly limited. Viscosity can be measured at 25°C with viscometers or rheometers preferably with conical plate or parallel plate geometry. Preferably, the viscosity of the composition can vary, for example, from 1 to 5000 Pa.s at 25° C. and 21 s -1 . Also, the composition may have a Newtonian character.

According to the present invention, the composition can be made by mixing (a) at least one oil, (b) at least one organic lipophilic gelling agent, (c) at least one pigment coated with isopropyl titanium triisostearate, and (d) water, plus one or more of the optional ingredients listed above.

[Proc ed cosmetic]

The present invention also relates to a cosmetic process for a keratin substrate, such as the skin, consisting in applying to the keratin substrate the composition according to the present invention.

The composition according to the present invention may be intended to be applied to a keratinous substance such as the skin, for example, of the face, neck and body, to reveal an attractive appearance, to conceal imperfections, such as spots, wrinkles, pores. The composition is generally applied to a keratinous substance, such as the skin, with the hands or an apparatus, for example a sponge applicator.

The composition according to the present invention can be used in a topical skin care composition in the form of a lotion, a milk, a cream, a liquid gel, a paste, a serum or spray.

The cosmetic process is preferably intended for making up and/or caring for the skin, preferably for the face. The composition used in accordance with the present invention is preferably intended for use as a cosmetic composition of the leave-in type. The term "without rinsing" means a composition which is not intended to be washed or removed immediately after application.

Preferably, the composition according to the present invention can be used as a liquid foundation, as a make-up foundation and as a cream composition for skin care, and in particular as a liquid foundation. Therefore, the present invention also relates to the use of the composition according to the present invention as an active make-up in a cosmetic liquid composition, such as a liquid foundation, a make-up base and a skin care cream. .

EXAMPLES

The present invention will be described in more detail by way of examples. However, these examples should not be construed as limiting the scope of the present invention.

[Examples 1 and Comparative Examples 1 to 6]

The following compositions, according to Example 1 and Comparative Examples 1 to 6, shown in Table 1, were established as follows: First, an aqueous phase was prepared by mixing and dissolving all the ingredients listed in the "aqueous phase of Table 1 below at 45°C until the mixture becomes homogeneous. The aqueous mixture was then cooled to room temperature. An oil phase was prepared by mixing all of the ingredients listed in "Oil Phase" in Table 1 at 90°C for 10 minutes. Pigments and silicone elastomers were added to the resulting oil mixture and dispersed well. The oily mixture was cooled to room temperature and then the aqueous mixture was added to the oily mixture. The resulting mixture was emulsified for 10 minutes at 3000 rpm with a homogenizer to obtain a W/O emulsion composition.

The numerical values for the amounts of ingredients in Table 1 are all based on a "% by weight" of the active raw materials.

Ingredients Example 1 Comp.
Example 1 Comp.
Example 2 Comp.
Example 3 Comp.
Example 4 Comp.
Ex.5 Comp.
Ex.6 Oily PEG-9 Polydimethylsiloxyethyl Dimethicone 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Phase PEG-30 Dipolyhydroxystearate 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Cetyl PEG/PPG-10/1 Dimethicone 2.5 2.5 2.5 2.5 2.5 2.5 2.5 Sorbitan Isostearate 0.3 0.3 0.3 0.3 0.3 0.3 0.3 Cetyl ethylhexanoate 2.6 2.6 2.6 2.6 2.6 2.6 2.6 Diphenylsiloxy phenyl trimethicone 5 5 5 5 5 5 5 Ethylhexyl salicylate 2.5 2.5 2.5 2.5 2.5 2.5 2.5 Homosalate 2.5 2.5 2.5 2.5 2.5 2.5 2.5 Dimethicone QSP100 QSP100 QSP100 QSP100 QSP100 QSP100 QSP100 Isohexadecane 7 7 7 7 7 7 7 Dextrin palmitate 2 2 2 0 5 2 2 Dimethicone (and) Dimethicone/Vinyl Dimethicone Crosspolymer 2 2 2 2 2 2 2 Powder Titanium Dioxide (and) Aluminum Hydroxide (and) Dimethicone (and) Hydrogen Dimethicone 5 5 5 5 5 5 5 Titanium Dioxide (and) Alumina (and) Isopropyl Titanium Triisostearate 4.9 - - 4.9 4.9 4.9 4.9 Iron oxides (and) isopropyl titanium triisostearate 0.6 - - 0.6 0.6 0.6 0.6 Titanium dioxide - 4.9 - - - - - Iron oxide - 0.6 - - - - - Titanium Dioxide (and) Disodium Stearoyl Glutamate (and) Aluminum Hydroxide - - 4.9 - - - - Iron Dioxide (and) Disodium Stearoyl Glutamate (and) Aluminum Hydroxide - - 0.6 - - - - aqueous Water 38 38 38 38 38 25 30 Phase Magnesium sulfate 0.7 0.7 0.7 0.7 0.7 0.7 0.7 Chlorphenesin 0.2 0.2 0.2 0.2 0.2 0.2 0.2 Glycerin 5.7 5.7 5.7 5.7 5.7 5.7 5.7 Phenoxyethanol 0.7 0.7 0.7 0.7 0.7 0.7 0.7 Caprylyl glycol 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Butylene glycol 8 8 8 8 8 8 8 Cellulose gum 0.5 0.5 0.5 0.5 0.5 0.5 0.5

[Assessment]

The compositions according to Example 1 and Comparative Examples 1 to 6 were evaluated in the following aspects.

(Sensory test)

Each of the compositions, according to Example 1 and Comparative Examples 1 to 6, was applied to the faces of 5 participants and the sensation of humidity and freshness as well as the effectiveness of the coverage were evaluated. Each of the compositions was applied to the faces of the participants by the participants themselves and the participants rated the feeling of coolness and humidity as well as the effectiveness of the coverage by rating: 1 (very bad) to 5 (very GOOD). The average of the scores was calculated and classified according to the following criteria.

Good ≥ 4

4 > Poor ≥ 3

3 > Very poor

(Stability)

Each composition according to Example 1 and Comparative Examples 1 to 6 was left for two months at 45°C, and the appearance of each composition was then visually observed and classified according to the following criteria.

Good: no separation

Poor: the oily phase has been slightly separated

Very poor: the oil phase has been separated

The results of these evaluations are presented in Table 2 below.

Assessment Example 1 Comp.
Example 1 Comp.
Example 2 Comp.
Example 3 Comp.
Example 4 Comp.
Ex.5 Comp.
Ex.6 Freshness Good Good Good Good Very mediocre Very mediocre Poor Blanket Good Very mediocre Very mediocre Good Good Poor Good Stability Good Very mediocre Very mediocre Very mediocre Good Good Good

According to example 1, the composition made it possible to provide keratinous substances, such as the skin, with a better feeling of freshness and humidity as well as a covering effect, while preserving stability.

On the other hand, the compositions according to Comparative Examples 1 and 2, which did not include a pigment coated with isopropyl titanium triisostearate, showed very poor coverage efficiency. Furthermore, the composition according to Comparative Example 1, which comprises an uncoated pigment instead of an isopropyl titanium triisostearate coated pigment of the present invention, showed very poor stability.

The composition according to Comparative Example 3, which did not include the organic lipophilic gelling agent, exhibited very poor stability, while the composition according to Comparative Example 4, which included the organic lipophilic gelling agent in an amount of 5 % by weight of the composition, provided a very poor feeling of freshness.

According to Comparative Example 5, which comprises 25% by weight of an aqueous phase, the composition provided very poor cooling sensation and poor coverage effectiveness. The composition according to Comparative Example 6, which even comprised 30% by weight of an aqueous phase, provided a mediocre feeling of freshness.

It can therefore be concluded that the composition as defined in the present invention has a great advantage since it can provide excellent cosmetic properties, such as giving a cool and moist feeling as well as good covering property while she remains stable. Therefore, the compositions according to the present invention are very useful as liquid cosmetic compositions.

Claims (10)

A water-in-oil emulsion comprising an oily phase and an aqueous phase comprising:
(a) at least one oil;
(b) at least one organic lipophilic gelling agent;
(c) at least one pigment coated with isopropyl titanium triisostearate; And
(d) water;
in which
the amount of lipophilic gelling agent (b) is greater than 0% by weight and less than 5% by weight relative to the total weight of the composition, and
the quantity of the aqueous phase is at least 50% by weight relative to the total weight of the composition. The composition according to Claim 1, in which the organic lipophilic gelling agent (b) is chosen from polysaccharide fatty acid esters, semi-crystalline polymers, polyamides and mixtures thereof. The composition according to Claim 1, in which the organic lipophilic gelling agent (b) is chosen from polysaccharide fatty acid esters. The composition according to Claim 3, wherein the polysaccharide fatty acid esters are dextrin esters. The composition according to any one of Claims 1 to 4, in which the pigment (c) coated with isopropyl titanium triisostearate is chosen from metal oxides, preferably titanium dioxide, iron oxides and mixtures thereof. The composition according to any one of Claims 1 to 5, in which the quantity of the pigment(s) coated with isopropyl titanium triisostearate is equal to or greater than 0.1% by weight, preferably equal to or greater than 1% by weight, more preferably equal to or greater than 2% by weight, most preferably equal to or greater than 4% by weight, and equal to or less than 20% by weight, preferably equal to or less than 15% by weight, more preferably equal to or less than 10% by weight, and most preferably equal to or less than 8% by weight, relative to the total weight of the composition. The composition according to any one of Claims 1 to 6, in which the quantity of the aqueous phase is equal to or less than 90% by weight, preferably equal to or less than 80% by weight, more preferably equal to or less to 70% by weight, and most preferably equal to or less than 60% by weight, relative to the total weight of the composition. The composition according to any one of Claims 1 to 7, in which the quantity of the oil (a) is equal to or greater than 5% by weight, preferably equal to or greater than 10% by weight, more preferably equal to or greater than 15% by weight, and most preferably equal to or greater than 20% by weight, and is equal to or less than 45% by weight, preferably equal to or less than 40% by weight, most preferably equal to or less than 35% by weight, and most preferably equal to or less than 30% by weight, relative to the total weight of the composition. The composition according to any one of Claims 1 to 8, in which the amount of water (d) is equal to or greater than 20% by weight, preferably equal to or greater than 30% by weight, more preferably equal to or greater than 32% by weight, and most preferably equal to or greater than 35% by weight, and is equal to or less than 70% by weight, preferably equal to or less than 60% by weight, most preferably equal to or less than 50% by weight, and most preferably equal to or less than 45% by weight, relative to the total weight of the composition. A cosmetic process for a keratin substance such as the skin, comprising the step of:
applying to the keratinous substance the composition according to any one of Claims 1 to 9.