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Longevity and wellness influencers have promoted those purported benefits, claiming they can accelerate healing from injuries, improve physical performance and ultimately slow aging
GHK-Cu and Skin Biology Research In vitro studies with human adult dermal fibroblasts found that GHK-Cu at concentrations of 0.01, 1, and 100 nM increased production of both elastin and collagen, with all concentrations increasing TIMP1 a key inhibitor of matrix metalloproteinases
Reynolds et al., 2021)
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