Abstract: The present invention relates to a dispersion of polymer particles in a liquid carbon-based medium, the said particles having a flexible polymeric core and being surface-stabilized with a block stabilizing polymer comprising at least one block that is soluble in the said carbon-based medium and at least one block that is insoluble in the said carbon-based medium. The invention also relates to a cosmetic composition comprising the said dispersion, and to a cosmetic treatment process using the said composition.

Abstract: Novel gradient copolymers including at least two different and specifically selected monomers, and cosmetic or skin-care compositions including same. The invention also relates to a cosmetic method for make-up or the care of keratin materials, in particular the skin of the body or of the face, the nails, the hair and/or the eyelashes, comprising the application of a cosmetic composition as defined above on said materials.

Abstract: Composition for making up and/or caring for keratinous substances containing a block copolymer and a nonvolatile hydrocarbon ester oil.

Abstract: Novel gradient copolymers including at least two different and specifically selected monomers, and cosmetic or skin-care compositions including same. The invention also relates to a cosmetic method for make-up or the care of keratin materials, in particular the skin of the body or of the face, the nails, the hair and/or the eyelashes, comprising the application of a cosmetic composition as defined above on said materials.

Abstract: The present invention relates to a diblock or triblock polymer of AB, ABA or BAB structure, comprising at least one block A which comprises isobutyl acrylate and acrylic acid. The invention also relates to a cosmetic composition comprising, in a cosmetically acceptable medium, at least one such polymer, and also to a treatment process using it.

Abstract: The present invention relates to a dispersion of polymer particles in a liquid carbon-based medium, the said particles having a flexible polymeric core and being surface-stabilized with a block stabilizing polymer comprising at least one block that is soluble in the said carbon-based medium and at least one block that is insoluble in the said carbon-based medium. The invention also relates to a cosmetic composition comprising the said dispersion, and to a cosmetic treatment process using the said composition.

Abstract: Composition for making up and/or caring for keratinous substances containing a block copolymer and a nonvolatile hydrocarbon ester oil.

Abstract: A block polymer containing, in a block with a Tg of less than 20° C., at least one monomer of formula (I): The invention also relates to a cosmetic composition containing the block polymer in a cosmetically acceptable medium, and also to a cosmetic process for treating keratin materials using the composition, and most particularly to a process for making up the lips.

Abstract: The present disclosure relates to novel block polymers comprising particular silicone monomers and monomers of formula: CH2?C(R1)—COOR2 wherein R1 is chosen from a hydrogen atom and a methyl group and R2 is chosen from C4 to C12 cycloalkyl groups. The present disclosure also relates to cosmetic or pharmaceutical compositions comprising these polymers, and also to a cosmetic treatment method using them.

Abstract: A block polymer containing, in a block with a Tg greater than 20° C., at least one monomer of formula (I): The invention also relates to a cosmetic composition comprising the block polymer in a cosmetically acceptable medium, and also to a cosmetic process for treating keratin materials using the composition, and most particularly to a process for making up the lips.

Abstract: The present disclosure relates to a cosmetic composition comprising, in a cosmetically acceptable medium, at least one dispersion of polymer particles in a liquid silicone medium, the polymer being a copolymer comprising at least one first block that is soluble and at least one second block that is insoluble in the silicone medium. Another aspect of the present disclosure relates to a dispersion of polymer particles in a liquid silicone medium, and also to a cosmetic process for making up, cleansing, protecting against the sun, shaping, dyeing or caring for keratin materials, such as the body or facial skin, the nails, the hair and/or the eyelashes, and for use with the present composition.

Abstract: Dispersions of particles of surface-stabilized polymer, in a nonaqueous medium, in which the polymer contains 5% to 50% by weight of ethylenic monomers which can contain a PEG (polyethylene glycol) part. Dispersions can be used in cosmetic or pharmaceutical compositions such as lipstick or hair. The composition can be used to treat keratin materials.

Abstract: Novel gradient copolymers including at least two different and specifically selected monomers, and cosmetic or skin-care compositions including same. The invention also relates to a cosmetic method for make-up or the care of keratin materials, in particular the skin of the body or of the face, the nails, the hair and/or the eyelashes, comprising the application of a cosmetic composition as defined above on said materials.

Abstract: Disclosed herein are novel block (co)polymers comprising from 35 to 100 wt. %, based on the weight of the block containing them, of silicone monomers chosen from a given list. Also disclosed herein are cosmetic and pharmaceutical compositions containing said polymers, as well as a method of cosmetic treatment employing them, and a method of preparation of said polymers.

Abstract: The present disclosure relates to novel block polymers comprising particular silicone monomers and monomers of formula: CH2?C(R1)—COOR2 wherein R1 is chosen from a hydrogen atom and a methyl group and R2 is chosen from C4 to C12 cycloalkyl groups. The present disclosure also relates to cosmetic or pharmaceutical compositions comprising these polymers, and also to a cosmetic treatment method using them.

Abstract: Disclosed herein are novel block polymers comprising at least one first block and at least one second block, wherein the at least one first block comprises at least one acrylate monomer of formula CH2?CH—COOR2 wherein R2 is chosen from C4 to C12 cycloalkyl groups and at least one methacrylate monomer of formula CH2?C(CH3)—COOR?2 wherein R?2 is chosen from C4 to C12 cycloalkyl groups, and the second block comprises at least one acrylic acid monomer and at least one monomer with a glass transition temperature of less than or equal to 20° C. Also disclosed herein is a process for the preparation of such polymers which may be carried out continuously in a single reactor. Finally, further disclosed herein are compositions comprising the novel polymers and processes using the composition for making up and/or caring for keratinous substances or for improving the hold of a cosmetic composition while maintaining its gloss.

Abstract: The present disclosure relates to a cosmetic composition comprising, in a cosmetically acceptable medium, at least one dispersion of polymer particles in a liquid silicone medium, the polymer being a copolymer comprising at least one first block that is soluble and at least one second block that is insoluble in the silicone medium. Another aspect of the present disclosure relates to a dispersion of polymer particles in a liquid silicone medium, and also to a cosmetic process for making up, cleansing, protecting against the sun, shaping, dyeing or caring for keratin materials, such as the body or facial skin, the nails, the hair and/or the eyelashes, and for use with the present composition.

Abstract: Disclosed herein is a dispersion of polymer particles in a liquid carbon-based medium, wherein said polymer is chosen from at least one block copolymer comprising at least one first block that is soluble in said liquid carbon-based medium and at least one second block that is insoluble in said liquid carbon-based medium. Also disclosed herein is a cosmetic composition comprising, in a cosmetically acceptable medium, said dispersion, and further disclosed is a cosmetic process for making up, cleansing, protecting against the sun, shaping, dyeing or caring for keratin materials, for example, body or facial skin, the nails, the hair and/or the eyelashes, using this composition.

Abstract: The disclosure relates to copolymers functionalized with an iodine atom and including at least two different monomers. One of the at least two monomers is chosen from soluble monomers, and the other is chosen from insoluble monomers. The disclosure also relates to a cosmetic or dermatological composition comprising the copolymer in a physiologically acceptable medium. The disclosure also relates to a process for making up or caring for keratin materials using the composition.

Abstract: The present disclosure relates to novel block polymers comprising at least one monomer with an optical effect of formula (I), and to cosmetic compositions comprising them, such as nail varnish compositions, foundation compositions and anti-ageing compositions. The present disclosure also relates to a cosmetic treatment process comprising the application of the composition to keratin materials.