Diamino pyrazols, their synthesis, keratin fibre dyeing compositions
申请人:L'Oreal
公开号:US06118008A1
公开(公告)日:2000-09-12
The invention discloses new 5-substituted 3,4-diamino pyrazols, their methods of preparation, compositions for keratin fiber oxidation dyeing containing them as an oxidizing base, and the dyeing methods using same.