Copper Peptide (GHK Cu) 2% Recovery Serum 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 Peptide Skin Cream Levers.Health Cellular Glow Copper Peptide GHK Cu Serum for Face Most people think GHK Cu is just a beauty peptide. But look at this Same person. Same lighting. Real skin change. GHK Cu works by activating repair genes in the body helping with