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 Synergy of GHKCu and hyaluronic acid on collagen IV upregulation via fibroblast and exvivo skin tests Jiang 2023 Journal of Cosmetic Dermatology Wiley Online Library GHK Cu Cooper Peptide: The Complete Skin & Repair Guide (2026) GHK Cu The Doctors Protocol in current Clinical Use , DISCLAIMER, The information shared in this video is for educational and informational purposes only and is based on research, and general The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline The GH IGF 1 axis in obesity: pathophysiology and therapeutic considerations Nature Reviews Endocrinology