Composition for dyeing human hair

摘要

This invention relates to a hair dyeing composition showing excellent dyeing ability comprising at least one direct acting hair dye and benzyl carbamate. The direct acting hair dyes are preferably selected from anionic, acidic dyestuffs. In addition to benzyl carbamate, compositions further comprise organic solvents as penetration enhancers. Compositions according to the invention has a pH in the range from 1 to 5 and preferably comprises polymeric thickening agents, organic and/or inorganic acids and conditioning agents.