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Home › Permanent hair colorants based on a cream-like carrier and a combination of tris(hydroxymethyl) aminomethane, at least an amino acid and an oxidative dye

Permanent hair colorants based on a cream-like carrier and a combination of tris(hydroxymethyl) aminomethane, at least an amino acid and an oxidative dye

US Patent 10039701 · Granted Aug 7, 2018

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