GHK Cu for Skin & Wound Healing: Current Evidence Meeting Point Health GHK Cu is one of the most talked about peptides in aesthetics right now. But how much of what you have heard about it is actually true?, Copper peptide, known as GHK Cu, has a growing body of peer GHK CU 50mg True Form Peptides Synergy of GHKCu and hyaluronic acid on collagen IV upregulation via fibroblast and exvivo skin tests Jiang 2023 Journal of Cosmetic Dermatology Wiley Online Library 89030 95 5 GHK Cu Gly His Lys Cu Copper Tripeptide 1; Prezatide copper