Meet the peptide your skin has been waiting for Studies show that GHK Cu is known for stimulating collagen, improving skin quality, and supporting true cellular regeneration working beneath the surface Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms GHK Cu Research Overview Copper Peptide Studies Peptide Spotlight: GHK Cu (Copper Peptide) A naturally occurring tripeptide found in human blood. Here's what the preclinical research shows. Swipe for Research Simplified and full study citations. Full studies: http: pmc.ncbi.nlm.nih.gov articles GHK Cu may Prevent Oxidative Stress in Skin by Regulating Copper and Modifying Expression of Numerous Antioxidant Genes