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 Peptide Based PROTACs: Transitioning from Static Paradigm to a Dynamic Landscape within Targeted Protein Degradation Bioconjugate Chemistry Sculpting jaws, giving scores: Inside the world of looksmaxxing Thermodynamically stable ionic liquid microemulsions pioneer pathways for topical delivery and peptide application ScienceDirect GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy