Ahkcu Etsy 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 before and after : r Biohackers AHK Cu Cosmetic Raw Material CAS NO 682809 81 0 Copper peptide Wholesale & Bulk
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