Cosmetic compositions containing a methacrylic acid copolymer, a dimethicone, a nacreous agent and a cationic polymer, and uses thereof

A composition for washing or caring for a keratin material comprising, in a cosmetically acceptable medium, at least one copolymer chosen from crosslinked and non-crosslinked copolymers of methacrylic acid and of a C1-C4 alkyl acrylate, at least one polymer chosen from cationic and amphoteric polymer whose cationic charge density is less than 1 meq/g, at least one agent chosen from nacreous and opacifying agents and at least one silicone chosen from polydialkylsiloxanes comprising trimethylsilyl end groups, the volume-average size of the silicone particles before introduction into the composition and/or in the final composition being greater than or equal to 2 microns, said composition being effective for washing or caring for a keratin material.

A method for washing or caring for a keratin material comprising applying to the keratin material a composition comprising, in a cosmetically acceptable medium, at least one copolymer chosen from crosslinked and non-crosslinked copolymers of methacrylic acid and of a C1-C4 alkyl acrylate, at least one polymer chosen from cationic and amphoteric polymer whose cationic charge density is less than 1 meq/g, at least one agent chosen from nacreous and opacifying agents and at least one silicone chosen from polydialkylsiloxanes comprising trimethylsilyl end groups, the volume-average size of the silicone particles before introduction into the composition and/or in the final composition being greater than or equal to 2 microns.

A process for treating a keratin material comprising applying to the keratin material a cosmetic composition comprising, in a cosmetically acceptable medium, at least one copolymer chosen from crosslinked and non-crosslinked copolymers of methacrylic acid and of a C1-C4 alkyl acrylate, at least one polymer chosen from cationic and amphoteric polymer whose cationic charge density is less than 1 meq/g, at least one agent chosen from nacreous and opacifying agents and at least one silicone chosen from polydialkylsiloxanes comprising trimethylsilyl end groups, the volume-average size of the silicone particles before introduction into the composition and/or in the final composition being greater than or equal to 2 microns, and then optionally rinsing it out with water.

A composition comprising, in a cosmetically acceptable medium, one composition (1) comprising at least one copolymer chosen from crosslinked and non-crosslinked copolymers of methacrylic acid and of a C1-C4 alkyl acrylate and another composition (2) comprising at least one polymer chosen from cationic and amphoteric polymers whose cationic charge density is less than 1 meq/g, at least one agent chosen from nacreous and opacifying agents and at least one silicone chosen from polydialkylsiloxanes comprising trimethylsilyl end groups, the volume-average size of the silicone particles before introduction into the composition and/or in the final composition being greater than or equal to 2 microns.

A method of manufacturing a cosmetic composition, comprising including in said composition at least one copolymer chosen from crosslinked and non-crosslinked copolymers of methacrylic acid and of a C1-C4 alkyl acrylate, at least one polymer chosen from cationic and amphoteric polymer whose cationic charge density is less than 1 meq/g, at least one agent chosen from nacreous and opacifying agents and at least one silicone chosen from polydialkylsiloxanes comprising trimethylsilyl end groups, the volume-average size of the silicone particles before introduction into the composition and/or in the final composition being greater than or equal to 2 microns.

A composition to give hair sheen comprising, in a cosmetically acceptable medium, at least one copolymer chosen from crosslinked and non-crosslinked copolymers of methacrylic acid and of a C1-C4 alkyl acrylate, at least one polymer chosen from cationic and amphoteric polymer whose cationic charge density is less than 1 meq/g, at least one agent chosen from nacreous and opacifying agents and at least one silicone chosen from polydialkylsiloxanes comprising at trimethylsilyl end groups, the volume-average size of the silicone particles before introduction into the composition and/or in the final composition being greater than or equal to 2 microns, said composition being effective to give hair sheen.

A method to give hair sheen comprising applying to hair a composition comprising, in a cosmetically acceptable medium, at least one copolymer chosen from crosslinked and non-crosslinked copolymers of methacrylic acid and of a C1-C4 alkyl acrylate, at least one polymer chosen from cationic and amphoteric polymer whose cationic charge density is less than 1 meq/g, at least one agent chosen from nacreous and opacifying agents and at least one silicone chosen from polydialkylsiloxanes comprising trimethylsilyl end groups, the volume-average size of the silicone particles before introduction into the composition and/or in the final composition being greater than or equal to 2 microns.

A composition to give hair lightness comprising, in a cosmetically acceptable medium, at least one copolymer chosen from crosslinked and non-crosslinked copolymers of methacrylic acid and of a C1-C4 alkyl acrylate, at least one polymer chosen from cationic and amphoteric polymer whose cationic charge density is less than 1 meq/g, at least one agent chosen from nacreous and opacifying agents and at least one silicone chosen from polydialkylsiloxanes comprising trimethylsilyl end groups, the volume-average size of the silicone particles before introduction into the composition and/or in the final composition being greater than or equal to 2 microns, said composition being effective to give hair lightness.

A method to give hair lightness comprising applying to hair a composition comprising, in a cosmetically acceptable medium, at least one copolymer chosen from crosslinked and non-crosslinked copolymers of methacrylic acid and of a C1-C4 alkyl acrylate, at least one polymer chosen from cationic and amphoteric polymer whose cationic charge density is less than 1 meq/g, at least one agent chosen from nacreous and opacifying agents and at least one silicone chosen from polydialkylsiloxanes comprising trimethylsilyl end groups, the volume-average size of the silicone particles before introduction into the composition and/or in the final composition being greater than or equal to 2 microns.

A composition to give hair softness comprising, in a cosmetically acceptable medium, at least one copolymer chosen from crosslinked and non-crosslinked copolymers of methacrylic acid and of a C1-C4 alkyl acrylate, at least one polymer chosen from cationic and amphoteric polymer whose cationic charge density is less than 1 meq/g, at least one agent chosen from nacreous and opacifying agents and at least one silicone chosen from polydialkylsiloxanes comprising trimethylsilyl end groups, the volume-average size of the silicone particles before introduction into the composition and/or in the final composition being greater than or equal to 2 microns, said composition being effective to give hair softness.

A method to give hair softness comprising applying to hair a composition comprising, in a cosmetically acceptable medium, at least one copolymer chosen from crosslinked and non-crosslinked copolymers of methacrylic acid and of a C1-C4 alkyl acrylate, at least one polymer chosen from cationic and amphoteric polymer whose cationic charge density is less than 1 meq/g, at least one agent chosen from nacreous and opacifying agents and at least one silicone chosen from polydialkylsiloxanes comprising trimethylsilyl end groups, the volume-average size of the silicone particles before introduction into the composition and/or in the final composition being greater than or equal to 2 microns.

A composition to give hair a smooth feel comprising, in a cosmetically acceptable medium, at least one copolymer chosen from crosslinked and non-crosslinked copolymers of methacrylic acid and of a C1-C4 alkyl acrylate, at least one polymer chosen from cationic and amphoteric polymer whose cationic charge density is less than 1 meq/g, at least one agent chosen from nacreous and opacifying agents and at least one silicone chosen from polydialkylsiloxanes comprising trimethylsilyl end groups, the volume-average size of the silicone particles before introduction into the composition and/or in the final composition being greater than or equal to 2 microns, said composition being effective to give hair a smooth feel.

A method to give hair a smooth feel, comprising applying to hair a composition comprising, in a cosmetically acceptable medium, at least one copolymer chosen from crosslinked and non-crosslinked copolymers of methacrylic acid and of a C1-C4 alkyl acrylate, at least one polymer chosen from cationic and amphoteric polymer whose cationic charge density is less than 1 meq/g, at least one agent chosen from nacreous and opacifying agents and at least one silicone chosen from polydialkylsiloxanes comprising trimethylsilyl end groups, the volume-average size of the silicone particles before introduction into the composition and/or in the final composition being greater than or equal to 2 microns.

A composition to give hair suppleness comprising, in a cosmetically acceptable medium, at least one copolymer chosen from crosslinked and non-crosslinked copolymers of methacrylic acid and of a C1-C4 alkyl acrylate, at least one polymer chosen from cationic and amphoteric polymer whose cationic charge density is less than 1 meq/g, at least one agent chosen from nacreous and opacifying agents and at least one silicone chosen from polydialkylsiloxanes comprising trimethylsilyl end groups, the volume-average size of the silicone particles before introduction into the composition and/or in the final composition being greater than or equal to 2 microns, said composition being effective to give hair suppleneess.

A method to give hair suppleness comprising applying to hair a composition comprising, in a cosmetically acceptable medium, at least one copolymer chosen from crosslinked and non-crosslinked copolymers of methacrylic acid and of a C1-C4 alkyl acrylate, at least one polymer chosen from cationic and amphoteric polymer whose cationic charge density is less than 1 meq/g, at least one agent chosen from nacreous and opacifying agents and at least one silicone chosen from polydialkylsiloxanes comprising trimethylsilyl end groups, the volume-average size of the silicone particles before introduction into the composition and/or in the final composition being greater than or equal to 2 microns.