Company News, Patents

Topical Nail Hardener

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By: TOM BRANNA

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Patent No. US. 7,416,720 B2 A nail hardener that decreases brittleness and increases strength has been patented by Morteza Hajirahimy of Tehran, Iran. The topical aqueous composition consists of 20% glycerin, 17% water, 3% propylene glycol and 60% ethanol....

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