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 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 The science behind the peptide craze Scientific American GHK Cu (Copper Peptide) LeadWest Medical Do you know what this little blue injection is? It's called GHK Cu aka the Glow Peptide I've always believed in peptides for skincare, but honestly I never thought about