GHK CU GHK Cu 100mg Copper Peptide Helix Research Site specific cross linking of collagen peptides by lysyl advanced glycation endproducts Chemical Communications (RSC Publishing) Lysyl oxidase like 2 Encyclopedia MDPI 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 Developing functional musculoskeletal tissues through hypoxia and lysyl oxidase induced collagen cross linking PNAS