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 GHK Cu Copper Peptide Shampoo Anti Hair Loss Shampoo Promotes New Peptide Labz GHK Cu (Copper) For Sale (50mg) Core Peptides GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link Neurogan Health, GHK Cu Copper Peptide, Hair & Scalp Serum Neurogan Health, GHK Cu Copper Peptide, Hair & Scalp Serum