Amazing GHK CU Copper Peptide For Youthful Skin And Hair Chemical structures of GHK and its copper and palmitoylated (Pal) Download Scientific Diagram PSA] Finally, a Dr. explains the mechanism behind the "copper uglies" : r SkincareAddiction GHK Cu is one of the most talked about peptides in aesthetics right now. But how much of what you have heard about it is actually true? Copper peptide, known as GHK Cu, has