GHK Cu Copper Peptide Body Lotion Anti Aging Skin Tightening Anti Wrinkle 10 fl oz Walmart.com The GHK Cu pen works. But needles at home were never the answer. We took the same clinically backed copper peptide complex and put it into a serum you can use in 30 seconds, Research chemicals known as peptides, many of them banned by the World Anti Doping Agency and some not approved for human use in the United States, are available with the simple click of GHK CU 100mg Cellgenic Molecular structure of the tripeptide GHK Cu. In solution lysine Download Scientific Diagram Topical GHK Cu: Skin Benefits, Best Forms, and Where to Buy