Glow Peptide (GHK Cu) Mechanism of Action (EN) GHK Cu is a copper peptide that binds to copper ions and delivers them into cells. Copper activates repair genes responsible for collagen, elastin, In Vitro and in Vivo Studies of pH Sensitive GHK Cu Incorporated Polyaspartic and Polyacrylic Acid Superabsorbent Polymer ACS Omega 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 GHK Cu HGH & Peptides Deus Medical