Patent ID: 7204861

Claim:
A hair coloring composition comprising i) at least one source of peroxymonocarbonate ions, ii) at least one source of alkalizing agent, and iii) at least one source of radical scavenger selected from the group consisting of: A. selected from compounds according to the formula (I): R 1 —Y 13 C(H)(R 3 )—R 4 —(C(H)(R 5 )—Y—R 6 ) n (I): wherein Y Is NR 2 , O, or S; n is 0 to 2; and wherein R 4 is monovalent or divalent and is selected from: (a) substituted or unsubstituted, straight or branched, alkyl, mono- or poly-unsaturated alkyl, heteroalkyl, aliphatic, heteroaliphatic, or heteroolefinic systems, (b) substituted or unsubstituted, mono- or poly-cyclic aliphatic, aryl, or heterocyclic systems, or (c) substituted or unsubstituted, mono-, poly-, or per-fluoro alkyl systems; the systems of (a), (b) and (C) comprising from about 1 to about 12 carbon atoms and about 0 to about 5 heteroatoms selected from the group consisting of O, S, N, P, and Si; and wherein R 4 can be connected to R 3 or R 5 to create a 5, 6 or 7 membered ring; and wherein R 1 , R 2 , R 3 , R 5 , and R 6 are monovalent and are selected independently from: (a), (b), (c) or H; B. compounds according to the formula (II): wherein R 1 , R 2 , R 3 , R 4 , R 5 are independently selected from H, COO-M+, Cl, Br, SO 3 -M+, NO 2 , OCH 3 , OH or a C 1 to C 10 primary or secondary alkyl and M is either H or alkali metal, or mixtures thereof; and C. compounds selected from the group consisting of benzylamine, imidazole, di-tert-butylhydroxytoluene, hydroquinone, guanine, pyrazine, piperidine, morpholine, methylmorpholine, 2-methyoxyethylamine, and mixtures thereof, wherein said composition has a pH of up to and including about 9.5.