GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Frontiers Growth Hormone and Insulin Like Growth Factor Action in Reproductive Tissues IGF 1: Miracle Hormone or Health Hazard? Diet vs Disease 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 Effects of GH IGF I hypersecretion in metabolic organs. Download Scientific Diagram