L'Oréal Earns Patent For Bleaching Agent
Published December 9, 2005
Patent No. US 6,919,073 B2: L'Oréal S.A., Paris, France, patented a pulverulent composition for bleaching human keratin fibers, comprised of an aqueous hydrogen peroxide composition having a hydrogen peroxide titre of no more than 40 volumes, at least one peroxygenated salt and at least one amphiphilic polymer.
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