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Home › Phenylpyrido [1,2-A] indolium-derived thiol/disulfide dye, dye composition comprising this dye, process for lightening keratin materials using this dye

Phenylpyrido [1,2-A] indolium-derived thiol/disulfide dye, dye composition comprising this dye, process for lightening keratin materials using this dye

US Patent 8398722 · Granted Mar 19, 2013

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