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 GlycyllhistidylllysineCu2+ rescues cigarette smokinginduced skeletal muscle dysfunction via a sirtuin 1dependent pathway Deng 2023 Journal of Cachexia, Sarcopenia and Muscle Wiley Online Library GHK Cu Peptide: Mechanism, Anti Aging Research, and Regenerative Benefits GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link Figure 3 from GHK Copper Peptide in Skin Remodeling and Anti Aging ! GHK Cu in Skin Remodeling Semantic Scholar