GHK Cu is getting a lot of attention right now, and for good reason. This is not just a skin peptide. It's a copper binding tripeptide with documented effects on gene expression, collagen synthesis, WO2019167070A1 Topical copper tripeptide composition and process of preparation. Google Patents GHK Cu 50mg Particle Peptides GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B Glow Peptide Protocol Novel Peptide Skin Care Exploring Peptides GHK Cu is more than a skincare trend its a copper peptide involved in repair, regeneration, and cellular signaling., This peptide has been studied for its connection to collagen production, skin