Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms Meet GHK Cu, the peptide designed to help your skin repair itself. From supporting collagen to promoting hair growth, this "Copper Peptide" offers powerful benefits for your wellness routine. Check out the details Peptide Therapy for Pain Management and Healing Core Medical & Wellness Injectable GHK Cu: Beginner's Guide to Copper Peptide 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 (glycyl l histidyl l lysine copper) is a powerful peptide that binds with copper to promote skin regeneration and repair. It works by: Stimulating collagen & elastin production Helps firm and smooth the skin.