Topical GHK Cu: Skin Benefits, Best Forms, and Where to Buy Next up in our peptide highlight series is GHK Cu. If skin support, hair health, and healthy aging are part of your goals, this is one worth knowing about. GHK Cu is a copper GHK CU Peptide Anti Wrinkle Serum Private Label Options Evolve Rewind the Clock with GHK Cu (Copper Peptide)! Experience the skin rejuvenating power of copper peptides now available at Evolve TX Medical Group! Smooth wrinkles Boost collagen