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Description
At picomolar to nanomolar concentrations, GHK-Cu stimulated the synthesis of collagen in skin fibroblasts, increased accumulation of total proteins, glycosaminoglycans (in a biphasic curve) and DNA in the dermal wounds in rats

It is widely used in cosmetics

SIRT1 is critical in slowing down aging

[DOI] [PMC free article] [PubMed] [Google Scholar] 50.Shelton JF, Geraghty EM, Tancredi DJ, et al
