Oxidative dyeing compositions comprising an 1-hexyl/heptyl-4,5-diaminopyrazole and a 2-aminophenol and derivatives thereof

摘要

An oxidative dyeing composition comprising a 1-hexyl-4,5-diaminopyrazole compound or a 1-heptyl-4,5-diaminopyrazole compound of formula (I) in combination with a 2-aminophenol compound of formula (II): wherein R1, R2, R3, R4, R5, R6 and R7 are as defined herein and a=1 or 2. The composition provides good hair color intensity together with good wash and bleeding fastness.