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what is a ghk cu peptide GHK-Cu may Prevent Oxidative Stress in Skin by Regulating Copper and Modifying Expression of Numerous Antioxidant Genes Copper Peptide Regenerating Serum for
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[DOI] [PMC free article] [PubMed] [Google Scholar] Jagla E

Its great when taking it by mouth or injection doesnt work well

Surgical scars that have healed but remain visible or textured

however, L-NAME did antagonize the L-arginine beneficial effect (31)
