Introduction GHK Cu is a copper peptide complex formed from the tripeptide glycyl L histidyl L lysine bound to copper. This compound has garnered significant attention in both laboratory and formulation research due to its critical role Developing functional musculoskeletal tissues through hypoxia and lysyl oxidase induced collagen cross linking PNAS GHK Cu Peptide: Mechanism, Anti Aging Research, and Regenerative Benefits Glycation of type I collagen selectively targets the same helical domain lysine sites as lysyl oxidasemediated cross linking Journal of Biological Chemistry GHK Cu (50mg) BASIX