Ghk Copper Peptide Etsy Canada Good skin starts with the right ingredients. We made the GHK Cu Peptide Serum for people who want real results without the clinical experience. Copper peptides, hyaluronic acid, niacinamide and more, in one Everyone's chasing glass skin. Here's what actually gets you there. GHK Cu isn't a trend or a buzzword. It's one of the most clinically studied anti ageing actives in skincare, working at a cellular GHK CU Copper Peptide, Face Serum, 1 oz (30 ml)