COMPOSITION COMPRENANT UN OXYDANT, UNE BASE DOXYDATION AMINOPYRIDINE PARTICULIÈRE ET DES CORPS GRAS. PROCÉDÉ DE COLORATION METTANT EN OEUVRE CETTE COMPOSITION ET UN CATALYSEUR.
The invention relates to a composition (A) and a method for dyeing keratin fibres, including the use of one or more metal catalysts and composition (A), said composition including: one or more oxidising agents at least one aminopyridine oxidation base of formula (I) or one of the addition salts or solvates thereof, wherein the R groupings are, separately from one another, a hydrogen atom, a hydroxy radical, a halogen atom, a C1-C10 alkyl radical, a C1-C20 alkoxy radical, a cycloalkyloxy radical having 5 or 6 links, one of the carbon atoms constituting said cycle optionally being substituted or replaced by a heteroatom, a C1-C5 alkylthio radical, two adjacent R groupings capable of forming together a saturated or unsaturated cycle having 5 or 6 links and consisting of carbon atoms and, optionally, one or more oxygen atoms and at least 10 wt.-% fats.
