Oxidation hair dyes based upon tetraaminopyrimidine developers and monohydroxyindazole couplers

摘要

An aqueous hair dye preparation comprising an oxidation dyestuff combination of a developer component consisting of a tetraaminopyrimidine derivative or a water-soluble acid addition salt thereof and a coupler component consisting of a monohydroxyindazole compound, as well as a process for dyeing hair by utilizing this oxidation dyestuff combination.