Copper Peptide Duo GHK Cu Anti Aging Serum & Moisturizer Peptides for Gut Health: What the Research Currently Shows Your Health Magazine Let's talk about a peptide that actually changes how skin and hair heal GHK Cu. GHK Cu (Copper Tripeptide 1) is a naturally occurring peptide that signals skin and hair cells to heal, regenerate, Tripeptidecopper complex GHKCu (II) transiently improved healing outcome in a rat model of ACL reconstruction Fu 2015 Journal of Orthopaedic Research Wiley Online Library Glow Up Patches, for glowing skin & hair growth Hapi Patch HapiPatch Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms