Patent ID: 8029577

Claim:
A method for coloring and/or lightening human keratin fibers, comprising contacting said fibers with: at least one first composition having a water content of less than 10% by weight and comprising at least one aminosilicon compound of formula (I): wherein: R 1 , R 2 , and R 3 , which are identical or different, are chosen from: linear and branched C 1 -C 20 alkoxy radicals wherein the alkyl moiety is optionally interrupted by at least one oxygen atom, linear and branched C 2 -C 20 alkenyloxy radicals, R 4 is a divalent radical of structure: wherein: R 6 , identical or different at each occurrence, is chosen from linear and branched C 1 -C 4 alkyl radicals, optionally substituted with at least one hydroxyl group, NH 2 radicals, hydroxyl radicals, cyano radicals, a radical Z 12 NH 2 , a radical Z 13 NH Z 14 NH 2 , and linear and branched C 2 -C 10 alkenyl radicals, with Z 12 , Z 13 , and Z 14 being chosen from, independently of one another, C 1 -C 20 linear alkylene radicals; R 8 is chosen from linear and branched C 1 -C 4 alkyl radicals, optionally substituted with at least one hydroxyl or carboxyl group, linear and branched C 2 -C 10 alkenyl radicals, a radical Z 15 NH 2 , a radical Z 16 R 8 ′, and a radical Z 17 Si OSi(R a ) 2 (R b ) wherein: R a is chosen from linear and branched C 1 -C 4 alkoxy radicals; R b is chosen from linear and branched C 1 -C 4 alkyl radicals; Z 15 , Z 16 , and Z 17 are, independently of one another, chosen from C 1 -C 20 linear alkylene radicals; R 8 ′ is chosen from C 6 -C 30 aryl radicals; R 9 is chosen from linear and branched C 1 -C 4 alkyl radicals; Z 5 , Z 6 , Z 7 , Z 8 , Z 9 , Z 10 , and Z 11 are, independently of one another, chosen from C 1 -C 20 linear alkylene radicals; Q is chosen from saturated and unsaturated six-membered rings, optionally comprising at least one heteroatom; Y, identical or different at each occurrence, is chosen from oxygen, sulfur, and NH groups; h is an integer chosen from 0, 1, 2, 3, 4, and 5; i is an integer chosen from 0 and 1; j is an integer chosen from 0, 1, 2, and 3; k is an integer chosen from 0 and 1; m is an integer chosen from 0 and 1; n is an integer chosen from 0 and 1; p is an integer chosen from 0 and 1; q is an integer chosen from 0 and 1; r is an integer chosen from 0, 1, 2, and 3; s is an integer chosen from 0 and 1; wherein at least one of the coefficients h, i, j, k, m, n, p, q, r, and s is non-zero; a represents the bond to the silicon atom; b represents the bond to the nitrogen atom of the amino group; and at least one second composition comprising at least one oxidizing agent.