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 Everyone's talking about GHK Cu right now but no one's really explaining it It's a peptide your body already makes and it plays a role in things like skin health, repair, and GHK Cu Peptide: Turn Back the Clock Naturally Calibrate Hydration Viral claim says GHK Cu reset nearly 4,000 genes to a younger state and increased collagen production in a preclinical study. This refers to research on GHK Cu, a naturally occurring copper binding peptide that 7% GHK CU ACCELERANT Platinum Skin Care