Patent ID: 8277517

Claim:
Agent for treating keratinic fibers comprising in a cosmetic carrier: (i) at least one oxidizing agent, (ii) at least one acylpyridinium derivative of Formula (I) wherein R1 is a C 1 -C 6 alkyl group, a C 2 -C 6 alkenyl group, a C 2 -C 6 hydroxyalkyl group, a C 1 -C 6 alkoxy C 2 -C 6 alkyl group, a carboxy C 2 -C 6 alkyl group, an aryl C 1 -C 6 alkyl group, a heteroaryl C 1 -C 6 alkyl group, an aryl group or a heteroaryl group, R2, R3 and R4, each independently of one another, is hydrogen, a C 1 -C 6 alkyl group, a halogen atom or a C 1 -C 6 acyl group, with the proviso that at least one of the R2, R3 and R4 groups stands for a C 1 -C 6 acyl group, and X − is a physiologically acceptable anion, and (iii) at least one hydroxyl group-containing amino acid and/or physiologically acceptable salts and/or alkyl esters thereof.