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Latest patents from L'oreal

Source:Happi Release Date:2013-07-23 295
Personal Care
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L’Oréal recently has been granted patents for combating melanocytes disappearance in hair and nail whitening composition.
Combating Melanocytes Disappearance in Hair

? US Patent No. 8,445,004 B2; L’Oréal, Paris, has patented a  method for combating the disappearance of the melanocytes of hair follicles by maintaining and/or by regenerating the population of active melanocytes of the bulbs and of the quiescent melanocytes of the upper region of hair follicles. It is comprised of topical administration of EUK-8, 21-aminosteroids, or putrescine for such period of time as required to elicit the desired effect, a thus effective amount of at least one active agent mimicking DOPAchrome tautomerase activity selected from the group consisting of EUK-8, 21-aminsteroids or putrescine. 


Nail Whitening Composition 
? US Patent No. 8,435,500 B2; L’Oréal has been awarded a US patent for its cosmetic composition for bleaching discolored nails. The composition is comprised of at least one hydrogen peroxide generator selected from carbamide peroxide, sodium percarbonate, sodium perborate monohydrate and sodium perborate tetrahydrate. It also has at least one film-forming polymer and one cosmetically-acceptable volatile solvent. The composition is anhydrous or substantially anhydrous and contains water in an amount less than 10% by weight of the composition.

The composition does not contain a colorant.
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