| 摘要 |
<p>The invention concerns an oxidation dyeing composition for keratinous fibres containing at least a monobenzene coupling agent including at least a cationic group Z bearing at least a cyclized or non-cyclized quaternary ammonium unit, the use of said coupling agents for dyeing keratinous fibres, dyeing methods using same, and novel monobenzene coupling agents comprising at least a cationic group Z bearing at least a cyclized or non-cyclized quaternary ammonium.</p> |
