Peptides Results Ghkcu TikTok 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 GHK CU Peptide for Skin Rejuvenation Wittmer Rejuvenation Clinic The GH IGF 1 axis in ageing and longevity Nature Reviews Endocrinology