Peptide & Oligo Manufacturer & CDMO Bachem 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 Buy Dihexa Injectable Peptides Online Livv Natural GHK Cu Peptide Regenerative & Cosmetic Research GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link Science Behind Copper Peptides & Hair Loss: Why GHK Cu Is a Game Changer HapiPatch