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 Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum GHK Cu Peptide: Hair Regrowth for Thinning & Alopecia GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Peptide Based PROTACs: Transitioning from Static Paradigm to a Dynamic Landscape within Targeted Protein Degradation Bioconjugate Chemistry In Vitro and in Vivo Studies of pH Sensitive GHK Cu Incorporated Polyaspartic and Polyacrylic Acid Superabsorbent Polymer ACS Omega