GHK Cu Copper Peptide Benefits, Uses & Safety Intra V 7% GHK CU ACCELERANT Platinum Skin Care GHK Cu for Skin & Wound Healing: Current Evidence Meeting Point Health 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 GHK Cu: The Peptide That Transforms Skin and Tissue Health Calibrate Hydration