Most people think skincare works at the surface level. But healthy skin function starts much deeper than a temporary glow. GHK Cu is a naturally occurring copper binding tripeptide that is already found GHK Cu (Copper Peptide) AzulBotanicals GHK Cu Copper Peptide Serum Clinical Anti Aging Skin Repair Beverly Hills Luxury Skincare 30ml 120 ml 4 oz GHK who? Meet GHK Cu, the copper peptide known for supporting collagen production, skin repair, and a healthier looking glow. A small peptide with big skincare benefits. GHK Cu