The invention concerns novel pyrazolo[1,5-a]pyrimidines comprising at least a cationic group Z, Z being selected among quaternized aliphatic chains, aliphatic chains comprising at least a quaternized cycle, and their use as oxidation base for dyeing keratin fibers, the dyeing compositions containing them, and the oxidation dyeing methods using them.
本发明涉及一种新型嘧唑[1,5-a]
嘧啶,它包含至少一个阳离子基团Z,Z被选择在季
铵化脂肪链,至少包含一个季
铵化环的脂肪链之中,以及它们作为染色角蛋白纤维的氧化基质的使用,包含它们的
染料组合物和使用它们的氧化染色方法。