The science behind the peptide craze Scientific American PSA] Finally, a Dr. explains the mechanism behind the "copper uglies" : r SkincareAddiction 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 GHK cu Dosing : r Peptidesource 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