Growth Hormone Secretagogue an overview ScienceDirect Topics Skin MD Laser & Cosmetic We don't sell peptides. We prescribe personalized optimization. Introducing physician guided peptide therapy at SkinMD a Instagram GHKCu Chroma Peptides Normal Physiology of Growth Hormone in Normal Adults Endotext NCBI Bookshelf GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy 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