Agent for dyeing keratinous fibers with cationic derivatives of 1- (2,5-dihydroxyphenyl) pyridiniums

The present application are agents for dyeing keratinous fibers, in particular human hair, which pyridiniums at least one cationic Derviat of 1- (2,5-dihydroxyphenyl) in a cosmetically acceptable carrier as the developer component of the general formula (I) in the R X contain.