Company News, Patents

Henkel Granted Patent For Solid Hair Colorant

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By: TOM BRANNA

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Patent No. US 6,790,240 B2: Düsseldorf-based Henkel patented a shaped body hair dye containing at least one dye precursor, at least one oxidizing agent, at least one alkalinizing agent and a dissolution accelerator in a cosmetically-acceptable carrier....

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