Molecular structure of the tripeptide GHK Cu. In solution lysine Download Scientific Diagram Figure 2. [Growth hormone binding to the]. Endotext NCBI Bookshelf GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link Frontiers Role of peptidecell surface interactions in cosmetic peptide application GHK Cu 50mg 99% HPLC Tested Copper Peptide