HGH: THE IGF 1 INSULIN AXIS IS A TRUE DR. JEKYLL AND MR. HYDE ON ONES' HEALTH PUR FORM Before vs. after 3 months of GHK Cu peptide therapy smoother texture, more even tone, and skin that looks healthier overall. Small peptide, big difference 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 The GH IGF 1 axis in obesity: pathophysiology and therapeutic considerations Nature Reviews Endocrinology