Molecular crystal structure of the tripeptide GHK Cu. In solution, Download Scientific Diagram GHK CU (a copper peptide) is naturally found in the human body and is studied for its involvement in skin integrity, tissue repair signaling, and cellular regeneration. Research commonly explores its relationship to: In Vitro and in Vivo Studies of pH Sensitive GHK Cu Incorporated Polyaspartic and Polyacrylic Acid Superabsorbent Polymer ACS Omega GHK CU 50mg Vial Copper Peptide Pure Bio Labs Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms