| 摘要 |
A ready-to-use composition for the oxidation dyeing of keratin fibers, in particular human keratin fibers such as the hair, comprising, in an acidic medium (pH<7), at least one oxidation base in combination with at least one coupler selected from 6-hydroxyindoline and acid addition salts thereof and an oxidizing agent, as well as to the dyeing process using this composition.
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