GHK CU Research Peptide Alpha Carbon Labs GHK Cu Hyaluronic Acid Gel Wells Pharmacy Network Defy GHK Cu (glycyl L histidyl L lysine) is a naturally occurring copper binding peptide found in human plasma. As levels decline with age, so may its support of the biological processes involved in collagen production, skin Copper Tripeptide (GHK Cu) for Advanced Skincare & Haircare Formulatio Fitish Most people don't know GHK Cu by name. Their face does. It's the peptide your body uses to signal collagen production, repair tissue, Instagram