GHK CU Face Cream: Anti Aging & Firming Solution 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 Peptide Cream: What It Really Does for Your Skin And Who Should Use It? If you've wanted to try GHK Cu peptide THIS IS IT! We need several models who want to see what skin benefits you get and snag a nice discount on top! If The Peptide Craze Ground Truths GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy