GHK Cu is the compound your body made at 25 and quietly stopped making. Most people find it in overpriced serums. Few understand what it actually does, or what happens when you're not 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 as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link Glycyl L histidyl L lysine Cu2+ (GHK Cu) Attenuates CuSO4 or LPS induced inflammation in Zebrafish larvae model ScienceDirect GHK Cu Hair Growth Guide: Protocols & Results for Canadians GlycyllhistidylllysineCu2+ rescues cigarette smokinginduced skeletal muscle dysfunction via a sirtuin 1dependent pathway Deng 2023 Journal of Cachexia, Sarcopenia and Muscle Wiley Online Library