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FAQs What is glutathione, and why is it popular in skincare
A 2009 paper in Archives of Dermatological Research observed that copper-bound GHK increased integrin expression and p63-positive keratinocyte counts in cell-culture experiments, framing one route by which the compound engages the dermal stem-cell compartment (PMID 19319546)
Nature 532 , 255258 (2016)
Both accelerate cell turnover and collagen production
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