abstract |
The subject of the invention is a process for dyeing keratinous fibers, comprising the use of one or more metal catalysts and a composition (A) comprising: one or more oxidizing agents, and at least one base of aminobenzimidazole oxidation of formula (I) in which the radicals R 1 to R 5 represent, independently of each other, a hydrogen atom; a halogen atom, a C1-C6 alkyl radical; a C1-C6 alkoxy radical; a C1-C6 dialkylamino radical; a carboxylic radical (-COOH); a sulphonic radical (-SO3H); a phenyl radical; a saturated or unsaturated 5 to 7-membered heterocyclic radical containing one or more heteroatoms selected from N, O, S. |