Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum Jumbo Size A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend 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 Neurogan Revitalizing GHK Cu Neck & Face Serum Deep Hydration & Premium Quality Active Copper Peptide Cruelty Free 1200 MG 1oz Buy Now with Express International Delivery GoSupps.com Neurogan GHK Cu Copper Peptide Face Cream 4% Peptides for Skin Firmness & Deep Hydration Daily Facial Moisturizer with 2400 MG GHK Cu 2oz Buy Now with Express International Delivery GoSupps.com