How to Measure and Inject GHK Cu (Copper Peptide for Skin and Tissue Repair) YouTube 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 Peptide Application Method TikTok 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