Reactive oxygen generation by minimal copper binding peptide motifs bioRxiv 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 Copper Peptides and Cell Interaction Research Studies Figure 6 from GHK Copper Peptide in Skin Remodeling and Anti Aging ! GHK Cu in Skin Remodeling Semantic Scholar GHK Cu 50mg 99% HPLC Tested Copper Peptide