GHK Cu is getting a lot of attention right now, and for good reason. This is not just a skin peptide. It's a copper binding tripeptide with documented effects on gene expression, collagen synthesis, GHK Cu Peptide Benefits for Skin and Hair LIVV Natural Dimeric copper peptide incorporated hydrogel for promoting diabetic wound healing Nature Communications Before vs. after 3 months of GHK Cu peptide therapy smoother texture, more even tone, and skin that looks healthier overall. Small peptide, big difference GHK Cu Copper Peptide Injections: Advanced Skin Rejuvenation