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Home › Composition for dyeing keratin fibers, comprising at least one diamino-N,N-dihydropyrazolone derivative, at least one coupler and at least one associative polyurethane polymer

Composition for dyeing keratin fibers, comprising at least one diamino-N,N-dihydropyrazolone derivative, at least one coupler and at least one associative polyurethane polymer

US Patent 7485156 · Granted Feb 3, 2009

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