GHK Cu: The Peptide That Supports Healthy Aging GHK Cu (copper peptide) is naturally occurring in the body and plays a role in supporting skin health, collagen production, and tissue repair. As GHK Cu copper peptides calm, repair, strengthen If your skin often feels: red or reactive irritated even from gentle skincare tight, dehydrated or burning tired and sensitive GHK Cu Research Peptide High Purity Canada XPeptides XPEPTIDES GHK Cu Peptides Benefits for Anti Aging Skin Rejuvenation How to Use With Micro Infusion