Most people think skincare works at the surface level. But healthy skin function starts much deeper than a temporary glow. GHK Cu is a naturally occurring copper binding tripeptide that is already found In Vitro and in Vivo Studies of pH Sensitive GHK Cu Incorporated Polyaspartic and Polyacrylic Acid Superabsorbent Polymer ACS Omega The first order degradation profiles of GHK Cu in various medium stored Download Scientific Diagram GHK Cu: The Peptide That Transforms Skin and Tissue Health Calibrate Hydration