Molecular crystal structure of the tripeptide GHK Cu. In solution, Download Scientific Diagram Tripeptides Ghk and GhkCu modified silver nanoparticles for enhanced antibacterial and wound healing activities ScienceDirect GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Theoretical study of copper binding to GHK peptide ScienceDirect 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