ghk-cu topical use - 200MG (Topical) GHK-Cu Organic Serum | Copper

Clinical Evidence in Humans The topical evidence base is unusually robust for a research peptide: Facial aging study (71 women, 12 weeks): A GHK-Cu facial cream documented increased skin density and thickness, reduced laxity, improved clarity, and reduced fine lines and depth of wrinkles (PMID 26236730)

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It is a naturally occurring compound composed of a tripeptidea combination of three amino acids called cysteine, glycine, and glutamine