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 GHK CU Copper Peptide, Face Cream, 2 oz (60 ml) PSA] Albeit rare Copper peptide "uglies" are real and scary. Case report and looking for advices : r SkincareAddiction Copper Peptides Serum for Face 2% GHK CU & 4% EGF Seraphime