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 PDF) GHK Cu may Prevent Oxidative Stress in Skin by Regulating Copper and Modifying Expression of Numerous Antioxidant Genes Copper Peptide (GHK Cu) 2% Recovery Serum GHK Cu Copper Tripeptide 1 Research Reagent Reactive oxygen generation by minimal copper binding peptide motifs bioRxiv Reactive oxygen generation by minimal copper binding peptide motifs bioRxiv