Oxidation dyeing composition for keratinous fibres comprising a n-(2-hydrobenzene)-carbamate or a n-(2-hydroxy-benzene)-urea and a pyrazolopyrimine, dyeing methods
申请人:——
公开号:US20020178512A1
公开(公告)日:2002-12-05
The subject of the invention is a composition for the oxidation dyeing of keratinous fibers, and in particular human keratinous fibers such as hair, comprising at least one oxidation base, chosen from the pyrazolopyrimidines, and, as coupler, at least one N-(2-hydroxybenzene)carbamate or one N-(2-hydroxy-benzene)urea of formula (I), their use as coupler for the oxidation dyeing of keratinous fibers, and the oxidation dyeing methods using them.
本发明涉及一种用于氧化染色角蛋白纤维,特别是人类角蛋白纤维(如头发)的组合物,包括至少一种氧化剂,所述氧化剂选择自吡唑嘧啶类化合物,并且,作为偶联剂,至少包括公式(I)中的一种N-(2-羟基苯基)氨基甲酸酯或N-(2-羟基苯基)脲,其作为氧化染色角蛋白纤维的偶联剂,以及使用它们的氧化染色方法。