BLUE Copper Peptide GHK CU Serum with Hyaluronic Acid Anti Wrinkle Assortment eBay Botox in a Bottle? Meet GHK Cu: The Ultimate Prescription Only Copper Peptide Cream Looking for firmer, smoother, more radiant skin without irritation? GHK Cu (Copper Tripeptide 1) is a powerful regenerative ingredient that GHK Cu is a copper peptide used in regenerative medicine to support collagen production, tissue repair, and cellular renewal throughout the body. It's for individuals looking to improve skin firmness, brightness, and visible GHK Cu Copper Peptide Skin & Healing Beverly Hills Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum