GHK Cu, commonly known as copper peptides, are found naturally within the human body where they play a vital role in skin repair and maintenance. Copper peptides support optimal skin function by helping GHK Cu Copper Peptide Serum Scar Repair & Collagen Support Studd Muffyn Buy GHK Cu Copper Peptide (50mg) 99% Purity USA Made GHK Cu (Copper) For Sale (50mg) Core Peptides Most people think GHK Cu works because it's a skin peptide. That's surface level thinking. #GHK Cu doesn't start with wrinkles, scars, or hairlines. It starts with cellular repair signalling. GHK Cu is a copper peptide Amazon.com: Ewecxine GHK Cu Copper Peptide Supplement, 300 mcg per Serving, Liposomal Formula, 100 Vegan Capsules Beauty Support Matrix with Biotin, Phytoceramides & Herbal Blend : Health & Household