The Human Tripeptide GHKCu in Prevention of Oxidative Stress and Degenerative Conditions of Aging: Implications for Cognitive Health Pickart 2012 Oxidative Medicine and Cellular Longevity Wiley Online Library GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B 6 month GHK CU check in Main takeaway: skin transformation takes time. GHK CU peptide binds to copper and activates genes involved in wound healing, collagen synthesis, and skin remodeling. On the face, this translates Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms Dimeric copper peptide incorporated hydrogel for promoting diabetic wound healing Nature Communications