Cosmetic composition containing a polymer and a fluoro oil

Composition according to claim 1 or 2, characterized in that the average molar mass of the first polymer is less than or equal to 500,000 and better still less than or equal to 100,000.

Composition according to either of the preceding claims, characterized in that the hetero atom-containing units of the polymer comprise a nitrogen atom.

Composition according to one of the preceding claims, characterized in that the units containing a hetero atom are amide groups.

Composition according to one of the preceding claims, characterized in that the fatty chains represent from 40% to 98% of the total number of units containing a hetero atom and of fatty chains.

Composition according to one of the preceding claims, characterized in that the fatty chains represent from 50% to 95% of the total number of units containing a hetero atom and of fatty chains.

Composition according to one of the preceding claims, characterized in that the pendent fatty chains are linked directly to at least one of the said hetero atoms.

Structured composition containing at least one liquid fatty phase comprising at least one fluoro oil, the liquid fatty phase being structured with at least one polyamide with a weight-average molecular mass of less than or equal to 1,000,000, comprising a) a polymer skeleton containing amide repeating units and b) optionally at least one pendent fatty chain and/or at least one terminal fatty chain that are optionally functionalized, containing from 6 to 120 carbon atoms and being linked to these amide units, the liquid fatty phase and the polyamide forming a physiologically acceptable medium.

Composition according to the preceding claim, characterized in that the fatty chains represent from 40% to 98% of the total number of amide units and of fatty chains.

Composition according to one of the preceding claims, characterized in that the weight-average molar mass ranges from 1,000 to 30,000 and better still from 2,000 to 10,000.

Composition according to one of the preceding claims, characterized in that the terminal fatty chains are linked to the skeleton via bonding groups.

Composition according to one of the preceding claims, characterized in that the fatty chains contain from 12 to 68 carbon atoms.

Composition according to the preceding claim, characterized in that R1 is a C12 to C22 alkyl group.

Composition according to one of the preceding claims, characterized in that the polymer represents from 0.5% to 80% of the total weight of the composition and better still from 5% to 40%.

Composition according to any one of the preceding claims, characterized in that the fluoro oil is chosen from the perfluorocycloalkyls of formula (IV) below:

• 14
• in which n is equal to 4 or 5, m is equal to 1 or 2, and p is equal to 1, 2 or 3;
• with the proviso that when m=2, the groups are not necessarily alpha to each other.

Composition according to any one of the preceding claims, characterized in that the fluoro oil is chosen from the perfluoroalkane compounds corresponding to formula (VI) below:

• CF3—(CF2)n—CF3 (VI)
• in which n is 2 to 6.

Composition according to any one of the preceding claims, characterized in that the fluoro oil is chosen from the perfluoromorpholine derivatives corresponding to formula (VII) below:

• 15
• in which R represents a C1-C4 perfluoroalkyl radical.

Composition according to any one of the preceding claims, characterized in that the fluoro oil is chosen from the fluorosilicone compounds corresponding to formula (X) below:

• 18
• in which k is 1 to 17, l is 1 to 18, p is 1 to 6 and R1 represents a hydrogen atom or a C1-C6 alkyl radical;
• R2 represents a C1-C6 alkyl radical or a radical —OSi(R3)3, and R3 represents a C1-C4 alkyl radical.

Composition according to the preceding claim, characterized in that R4 represents a methyl radical, R5 represents a linear alkyl radical containing from 6 to 22 carbon atoms and s represents an integer ranging from 1 to 13.

Composition according to any one of the preceding claims, characterized in that the fluoro oil is present in a content ranging from 0.1% to 50% by weight, relative to the total weight of the composition, preferably ranging from 1% to 30% by weight and better still from 3% to 15% by weight.

Composition according to one of the preceding claims, characterized in that it comprises an additional oil, other than the said fluoro oil.

Composition according to one of the preceding claims, characterized in that it also contains at least one additional volatile oil.

Composition according to one of the preceding claims, characterized in that the liquid fatty phase also contains at least one additional non-volatile oil, other than the said fluoro oil.

Composition according to one of the preceding claims, characterized in that the liquid fatty phase also contains at least one additional non-volatile oil chosen from hydrocarbon-based oils of mineral, plant or synthetic origin, synthetic esters or ethers and silicone oils, and mixtures thereof.

Composition according to one of the preceding claims, characterized in that the liquid fatty phase contains at least 30% of apolar oil relative to the total weight of the liquid fatty phase, and better still from 50% to 100% relative to the total weight of the liquid fatty phase.

Composition according to one of the preceding claims, characterized in that the liquid fatty phase represents from 5% to 99% of the total weight of the composition, and better still from 20% to 75%.

Composition according to one of the preceding claims, characterized in that it constitutes a care composition and/or treatment composition and/or make-up composition for keratin materials.

Composition according to one of the preceding claims, characterized in that it also contains at least one dyestuff.

Composition according to one of the preceding claims, characterized in that it contains at least one additive chosen from water, antioxidants, essential oils, preserving agents, fragrances, fillers, waxes, fatty compounds that are pasty at room temperature, neutralizers, polymers that are liposoluble or dispersible in the medium, cosmetic or dermatological active agents and dispersants, and mixtures thereof.

Composition according to one of the preceding claims, characterized in that it contains at least one polymer that is liposoluble or dispersible in the medium, chosen from vinylpyrrolidone copolymers and C3 to C22 alkene copolymers, and combinations thereof.

Composition according to one of the preceding claims, characterized in that it is in the form of a rigid gel, and especially in the form of an anhydrous stick.

Composition according to one of the preceding claims, characterized in that it is in the form of a mascara, an eyeliner, a foundation, a lipstick, a blusher, a deodorant product, a make-up-removing product, a body make-up product, an eye shadow, a face powder, a concealer product, a shampoo, a conditioner, an antisun product, a bodycare product, a facial care product or a nail varnish.

Composition according to one of the preceding claims, characterized in that it is in the form of a stick with a hardness ranging from 30 to 300 gf.

Lipstick composition in stick form containing at least one liquid continuous fatty phase comprising at least one fluoro oil, the liquid fatty phase being structured with at least one non-waxy polymer giving the composition the appearance of an elastic deformable solid with a hardness ranging from 30 to 300 gf, in the absence of wax.

Cosmetic process for caring for, making up or treating human keratin materials, comprising the application to the keratin materials of a cosmetic composition in accordance with one of the preceding claims.

Use of a liquid fatty phase containing a fluoro oil and of at least one polymer with a weight-average molecular mass of less than or equal to 1,000,000, comprising a) a polymer skeleton containing hydrocarbon-based repeating units containing at least one hetero atom, and b) optionally at least one pendent fatty chain and/or at least one terminal fatty chain that are optionally functionalized, containing from 6 to 120 carbon atoms and being linked to these hydrocarbon-based units, in a cosmetic composition or for the manufacture of a physiologically acceptable composition, in order to reduce the transfer and/or deposit of traces of a film of the said composition, applied to the keratin materials, onto a support placed in contact with the said film and/or to improve the staying power of the said film and/or to obtain a non-sticky film.

Use according to the preceding claim, characterized in that the polymer is a polyamide comprising end groups containing an ester group comprising a hydrocarbon-based chain containing from 10 to 42 carbon atoms.