GHK Cu Peptide: Turn Back the Clock Naturally Calibrate Hydration Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule GHK Cu Glow Peptide Stack for Skin Rejuvenation Jennifer R. Berman MD 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