Introduction GHK Cu is a copper peptide complex formed from the tripeptide glycyl L histidyl L lysine bound to copper. This compound has garnered significant attention in both laboratory and formulation research due to its critical role Food Derived TripeptideCopper Self Healing Hydrogel for Infected Wound Healing Biomaterials Research Exploring the Role of Tripeptides in Wound Healing and Skin Regeneration: A Comprehensive Review Project of Wound Healing Peptide How GHK Peptide Works Signaling GHK acts as a switch for skin repair: Interacts with adenosine receptors reduces inflammation Activates MAPK ERK, PI3K Akt, TGF pathways Stimulates fibroblasts & keratinocytes boosts collagen, elastin 89030 95 5 GHK Cu Gly His Lys Cu Copper Tripeptide 1; Prezatide copper