Copper Peptide Regenerating Serum for Glowing Skin and Hair 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 Copper Peptide Collagen Boost & Skin Regeneration Calibrate Hydration I've been getting a lot of questions about GHK Cu, so here's a quick breakdown. GHK Cu is a copper peptide that naturally occurs in the body and plays a role in skin repair GHK Cu Injectable Team Wellcore