Composition for dyeing keratin fibers which contain at least one diaminopyrazole, dyeing process, novel diaminopyrazoles and process for their preparation
申请人:L'Oreal
公开号:US20030019051A9
公开(公告)日:2003-01-30
The invention relates to novel compositions for the oxidation dyeing of keratin fibers, comprising at least one specific diaminopyrazole derivative, to the dyeing process using this composition, to novel diaminopyrazole derivatives and to a process for their preparation.
本发明涉及用于氧化染色角蛋白纤维的新型组合物,包括至少一种特定的二氨基吡唑衍生物,以及使用该组合物的染色过程,新型二氨基吡唑衍生物以及其制备方法。