The object of the invention is an agent for bleaching keratinic fibers,characterized in that in a cosmetic carrier thesame comprises firstly at least one cationic acyl pyridinium derivative of theformula (I), where R is a C1-C6-alkyl group, aC2-C6--alkenyl group, a C2-C6-hydroxy alkyl group, a C1-C6-alkoxy-C2-C6-alkylgroup, a carboxy-C1-C6-alkyl group, an aryl-C1-C6-alkylgroup, a C1-C6-dialkylamino-C2-C6-alkyl group, a heteroaryl-C1-C6-alkyl group,a 3-oxobutyl group, a 2-oxopropyl group, an arylgroup, or a heteroaryl group, R' is a C1-C4-alkyl group, a C2-C6-hydroxy alkylgroup, or a C1-C6-alkoxy-C2-C6-alkyl group, X- is aphysiologically compatible anion, secondly at least one toxicologically safeco-bleaching activator and/or the physiologicallycompatible salt thereof, and thirdly hydrogen peroxide.
