| abstract |
Composition for the oxidative dyeing of human or animal hair with a content of developer and coupler substances, which contains as developer substances alone or mixed with other developer substances a hydroxytriaminopyrimidine, preferably 6-OH-2,4,5-triaminopyrimidine (4-OH-2,5,6-triaminopyrimidine) or 2-OH-4,5,6-triaminopyrimidine and/or a dihydroxydiaminopyrimidine, preferably 2,6-dihydroxy-4,5-diaminopyrimidine or 4,6-dihydroxy-2,5-diaminopyrimidine. |