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Home › Composition comprising at least one 1,8-dihydroxynaphthalene derivative and at least one basifying agent different from aqueous ammonia, process for dyeing keratin fibres using the composition

Composition comprising at least one 1,8-dihydroxynaphthalene derivative and at least one basifying agent different from aqueous ammonia, process for dyeing keratin fibres using the composition

US Patent 8551189 · Granted Oct 8, 2013

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