In Vitro and in Vivo Studies of pH Sensitive GHK Cu Incorporated Polyaspartic and Polyacrylic Acid Superabsorbent Polymer ACS Omega Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum Jumbo Size Biossance GHK Cu Copper Peptide Regeneration, Skin Renewal & Anti Age 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: My secret weapon for skin, hair, and healing I use it two ways topical cream for my face, and subQ injections 3x a week. It boosts collagen, tightens skin, helps