Copper peptide GHK Cu Wikipedia GHK Cu is the compound your body made at 25 and quietly stopped making. Most people find it in overpriced serums. Few understand what it actually does, or what happens when you're not MOTS c Dosage Protocol: The 4 Injection Cycle, Reconstitution Guide, and the Exact Schedule We Use Perfect B 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