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Treatment of Aged Skin Patented by Bioderm



Published November 11, 2005
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Patent No. US 6,444,699 B2: Bioderm Inc., Madison, WI, has been awarded a patent for a method of treating damage to skin due to aging using a topical composition with a pH of 3.6 to 4.2, water, a pretreated ascorbic acid and a non-toxic zinc salt.


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