Cosmetic compositions

A method for treating hair, said method comprising applying to the hair a cosmetic composition comprising:

• a cosmetically acceptable medium;
• at least one hair conditioning agent selected from the group consisting of cationic polymers, cationic surfactants, quaternary ammonium compounds present in nonpolymeric form,
• organopolysiloxanes, organopolysiloxane copolymers different from precrosslinked organopolysiloxanes of formula (I′) below, fatty acid esters, fatty acid alcohols, natural oils, natural waxes, synthetic oils, synthetic waxes, panthenol, lipids, proteins and hydrolyzed proteins, and mixtures thereof;
• and
• at least one aqueous dispersion of precrosslinked organopolysiloxanes of units of the general formula
• AKT
• n
• ⁢
• R
• b
• 2
• ⁢
• A
• m
• ⁢
• R
• c
• ′
• ⁡
• (
• OR
• 1
• )
• d
• ⁢
• SiO
• 4
• -
• (
• n
• +
• m
• +
• b
• +
• c
• +
• d
• )
• 2
• ,
• (
• I
• ′
• )
• where
• R′ is identical or different and is a monovalent hydrocarbon radical having 1 to 18 carbon atoms,
• R1 is identical or different and is a hydrogen atom or an alkyl radical having 1 to 8 carbon atoms per radical,
• R2 is identical or different and is a monovalent, optionally substituted hydrocarbon radical having 1 to 18 carbon atoms per radical,
• AKT is a radical of the formula —CH2NHR4, —CH2NR42 or
• where
• R4 is a monovalent hydrocarbon radical having 1 to 18 carbon atoms, which can contain one or more heteroatoms from the group N and O,
• R5 is a divalent hydrocarbon radical having 3 to 12 carbon atoms, which can contain one or more heteroatoms from the group N and O,
• A is an amino radical of the general formula
• —R6—[NR7-R8—]zNR72,
• R6 is a divalent linear or branched hydrocarbon radical having 3 to 18 carbon atoms,
• R7 is a hydrogen atom, an alkyl radical having 1 to 8 carbon atoms or an acyl radical,
• R8 is a divalent hydrocarbon radical having 1 to 6 carbon atoms,
• b is 0, 1 or 2,
• c is 0, 1, 2 or 3,
• d is 0, 1 or 2,
• n is 0, 1 or 2,
• z is 0, 1, 2, 3 or 4, and
• m is 0 or 1,
• with the proviso that the sum n+m+b+c+d is ≦3, and n and m in the same siloxane unit are not simultaneously 1 and that on average at least one radical AKT and a radical A is present per molecule.

A method for treating hair, said method comprising applying to the hair a cosmetic composition comprising:

• a cosmetically acceptable medium;
• at least one hair conditioning agent selected from the group consisting of cationic polymers, cationic surfactants, quaternary ammonium compounds present in nonpolymeric form,
• organopolysiloxanes, organopolysiloxane copolymers different from the precrosslinked organopolysiloxane reaction products defined below, fatty acid esters, fatty acid alcohols, natural oils, natural waxes, synthetic oils, synthetic waxes, panthenol, lipids, proteins and hydrolyzed proteins, and mixtures thereof;
• and
• at least one aqueous dispersion of precrosslinked organopolysiloxane reaction products prepared by reacting at least one organopolysiloxane of units of the general formula
• R
• c
• ⁡
• (
• OR
• 1
• )
• d
• ⁢
• SiO
• 4
• -
• (
• c
• +
• d
• )
• 2
• (
• II
• )
• where
• R is identical or different and is a monovalent, saturated or unsaturated hydrocarbon radical having 1 to 200 carbon atoms per radical, which can contain one or more heteroatoms from the group N, P, S, O, and halogen,
• R1 is identical or different and is a hydrogen atom or an alkyl radical having 1 to 8 carbon atoms per radical,
• c is 0, 1, 2 or 3 and
• d is 0, 1 or 2,
• with the proviso that the sum c+d is ≦3 and in the organopolysiloxane on average at least one radical OR1 is present per molecule,
• with at least one reactive silane of the general formula
• (AKT)aR2bSi(OR3)4-(a+b)(III) or part hydrolyzates thereof
• where
• R2 is identical or different and is a monovalent, optionally substituted hydrocarbon radical having 1 to 18 carbon atoms per radical,
• R3 is identical or different and is an alkyl radical having 1 to 8 carbon atoms per radical,
• AKT is a radical of the formula —CH2NHR4, —CH2NR42 or
• where
• R4 is a monovalent hydrocarbon radical having 1 to 18 carbon atoms, which can contain one or more heteroatoms from the group N and O,
• R5 is a divalent hydrocarbon radical having 3 to 12 carbon atoms, which can contain one or more heteroatoms from the group N and O,
• a is 1 or 2, and
• b is 0, 1 or 2,
• with the proviso that the sum a+b is ≦3,
• in a presence of water,
• and emulsifier,
• with the proviso that no metal-containing catalysts are co-used, and that organopolysiloxane and silane are selected in type and amount such that the organopolysiloxanes are precrosslinked in resulting dispersions.