Copper tripeptide 1.xHOAc 89030 95 5 FC180071 Your skin already knows how to healsometimes it just needs the right signal GHK CU is a powerful copper peptide that supports: Skin repair Collagen production Smoother, brighter complexion GHK Cu Copper Tripeptide 1 Research Reagent 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 A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend