Cosmetic composition comprising at least one cationic poly(vinyllactam), at least one fatty alcohol and at least one amino silicone, cosmetic process and use of the composition

An aerosol device, comprising:

• a container comprising a composition, wherein the composition comprises, in a cosmetically acceptable medium:
• at least one cationic poly(vinyllactam) polymer comprising:
• a) at least one monomer chosen from vinyllactam and alkylvinyllactam monmers;
• b) at least one monomer chosen from those of formulae (Ia) and (Ib):
• wherein:
• X is chosen from an oxygen atom and radicals NR6,
• R1 and R6, independently of each other, are chosen from hydrogen atoms and linear and branched C1-C5 alkyl radicals,
• R2 are chosen from linear and branched C1-C4 alkyl radicals,
• R3, R4 and R5, independently of each other, are chosen from hydrogen atoms, linear and branched C1-C30 alkyl radicals, and radicals of formula (II):
• —(Y2)r—(CH2—CH(R7)—O)x—R8 (II)
• Y, Y1 and Y2, independently of each other, are chosen from linear and branched C2-C16 alkylene radicals,
• R7 is chosen from a hydrogen atom, linear and branched C1-C4 alkyl radicals, and linear and branched C1-C4 hydroxyalkyl radicals,
• R8 is chosen from a hydrogen atom and linear and branched C1-C30 alkyl radicals,
• p, q and r, independently of each other, are chosen from the value 0 or the value 1,
• m and n, independently of each other, are integers ranging from 0 to 100,
• x is an integer ranging from 1 to 100, and
• Z is chosen from organic and mineral acid anions;
• with the proviso that:
• at least one of the substituents R3, R4, R5 or R8 is chosen from linear and branched C9-C30 alkyl radicals,
• if m or n is other than zero, then q is equal to 1, and
• if m or n is equal to zero, then p or q is equal to 0;
• at least one fatty alcohol,
• at least one amino silicone;
• and
• at least one propellant and an appropriate device for distributing the composition.

A cosmetic treatment process for keratin fibers, comprising:

• applying a cosmetic composition onto keratin fibers, wherein the composition comprises, in a cosmetically acceptable medium:
• at least one cationic poly(vinyllactam) polymer comprising:
• a) at least one monomer chosen from vinyllactam and alkylvinyllactam monomers;
• b) at least one monomer chosen from those of formulae (Ia) and (Ib):
• wherein:
• X is chosen from an oxygen atom and radicals NR6,
• R1 and R6, independently of each other, are chosen from hydrogen atoms and linear and branched C1-C5 alkyl radicals,
• R2 are chosen from linear and branched C1-C4 alkyl radicals,
• R3, R4 and R5, independently of each other, are chosen from hydrogen atoms, linear and branched C1-C30 alkyl radicals, and radicals of formula (II):
• —(Y2)r—(CH2—CH(R7)—O)x—R8 (II)
• Y, Y1 and Y2, independently of each other, are chosen from linear and branched C2-C16 alkylene radicals,
• R7 is chosen from a hydrogen atom, linear and branched C1-C4 alkyl radicals, and linear and branched C1-C4 hydroxyalkyl radicals,
• R8 is chosen from a hydrogen atom and linear and branched C1-C30 alkyl radicals,
• p, q and r, independently of each other, are chosen from the value 0 or the value 1,
• m and n, independently of each other, are integers ranging from 0 to 100,
• x is an integer ranging from 1 to 100, and
• Z is chosen from organic and mineral acid anions;
• with the proviso that:
• at least one of the substituents R3, R4, R5 or R8 is chosen from linear and branched C9-C30 alkyl radicals,
• if m or n is other than zero, then q is equal to 1, and
• if m or n is equal to zero, then p or q is equal to 0;
• at least one fatty alcohol, and
• at least one amino silicone.

A process for caring for hair, comprising:

• applying a cosmetic composition to the hair, wherein the composition comprises, in a cosmetically acceptable medium:
• at least one cationic poly(vinyllactam) polymer comprising:
• a) at least one monomer chosen from vinyllactam and alkylvinyllactam monomers;
• b) at least one monomer chosen from those of formulae (Ia) and (Ib):
• wherein:
• X is chosen from an oxygen atom and radicals NR6,
• R1 and R6, independently of each other, are chosen from hydrogen atoms and linear and branched C1-C5 alkyl radicals,
• R2 are chosen from linear and branched C1-C4 alkyl radicals,
• R3, R4 and R5, independently of each other, are chosen from hydrogen atoms, linear and branched C1-C30 alkyl radicals, and radicals of formula (II):
• —(Y2)r—(CH2—CH(R7)—O)x—R8 (II)
• Y, Y1 and Y2, independently of each other, are chosen from linear and branched C2-C16 alkylene radicals,
• R7 is chosen from a hydrogen atom, linear and branched C1-C4 alkyl radicals, and linear and branched C1-C4 hydroxyalkyl radicals,
• R8 is chosen from a hydrogen atom and linear and branched C1-C30 alkyl radicals,
• p, q and r, independently of each other, are chosen from the value 0 or the value 1,
• m and n, independently of each other, are integers ranging from 0 to 100,
• x is an integer ranging from 1 to 100, and
• Z is chosen from organic and mineral acid anions;
• with the proviso that:
• at least one of the substituents R3, R4, R5 or R8 is chosen from linear and branched C9-C30 alkyl radicals,
• if m or n is other than zero, then q is equal to 1, and
• if m or n is equal to zero, then p or q is equal to 0;
• at least one fatty alcohol, and
• at least one amino silicone.