GHK Cu (Copper Peptide) LeadWest Medical GHK Cu: My secret weapon for skin, hair, and healing, I use it two ways topical cream for my face, and subQ injections 3x a week., It boosts collagen, tightens skin, helps hair grow, and even PSA] Finally, a Dr. explains the mechanism behind the "copper uglies" : r SkincareAddiction Reddit asked questions. Here are answers. GHK Cu isn't newit's just not heavily marketed for hair (yet). Dr. Loren Pickart discovered it in the 70s. Decades of clinical research. Solid mechanism. We screwed GLOW Mix Peptide Therapy in Florida: BPC 157, TB 500 & GHK Cu Prescription & Medically Supervised Florida Surgery & Weight Loss The science behind the peptide craze Scientific American