GHK CU Research Peptide Alpha Carbon Labs Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms Copper Tripeptide (GHK Cu) for Advanced Skincare & Haircare Formulatio GHK Cu Hair & Scalp Serum 2400mg 4% Less Shedding Neurogan Neurogan Health Resetting Skin Genome Back to Health Naturally with GHK Springer Nature Link 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