What Is GHK Cu? How It Works in Research and Quality Signals Most people think GHK Cu is just a beauty peptide. But look at this Same person. Same lighting. Real skin change. GHK Cu works by activating repair genes in the body helping with Copper Peptide Serum with 1% GHK Cu peptide, Argireline and Matrixyl 3000 Mitigating GHK Cu Injection Pain: Tips and Tricks Gabriel Alizaidy, MD, MS posted on the topic LinkedIn