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 Before and after begins with consistency. Our 10% GHK Cu formula is engineered for deep absorption to support scalp health and visible density. Alopecia Treatment Copper Peptide Conditioner Ghk Cu Conditioner Amazon.com: Collagen Tripeptides GHK Cu, Thicker Fuller Looking Hair as soon as 7 9 weeks, 30ml DHT Blocker For Thinning Hair, Nourishing Lightweight Formula 1oz : Beauty & Personal Care Copper Peptide GHK CU Conditioner for Hair Growth Mall of California