| 摘要 |
The invention relates to a composition for dyeing human keratin fibers, comprising, in a cosmetically acceptable medium, one or more cationic direct dyes comprising at least one carbon-carbon triple bond, for instance dyes of formula (I), (II) or (III) below: in which A1, A2 and A3, independently of each other, correspond to a cationic heterocyclic group and B1, B2 and B3, independently of each other, correspond to a particular aromatic nucleus; n may be equal to 1 or 2. The invention also relates to a process for treating keratin fibers, in particular human keratin fibers, using the above mentioned composition, and also to a multi-compartment device comprising it.
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