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Home › Agents for dyeing keratin fibers, containing at least one dimeric, dicationic azo dye and at least one anionic and/or cationic surfactant

Agents for dyeing keratin fibers, containing at least one dimeric, dicationic azo dye and at least one anionic and/or cationic surfactant

US Patent 10413498 · Granted Sep 17, 2019

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