GHK Copper Peptide GHK Cu Tripeptide 1 GHK Copper Peptide GHK Cu Tripeptide 1 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 What is the optimal dosing regimen of GHKCu for topical skincare and woundhealing applications? GHK Cu may Prevent Oxidative Stress in Skin by Regulating Copper and Modifying Expression of Numerous Antioxidant Genes