Understanding Peptides: A Comprehensive Guide for Beginners Part 1 TopDoctor Magazine Experiencing itching & burning from your GHK CU peptide injections? Try these to hacks: 1. Use a longer syringe to penetrate deeper into the fat cells. 2. Dilute the copper. Here I Glow Peptide 70mg Protocol Dosage TikTok GHK CU 50 mg LIVV GHK Cu is a small copper bound peptide (glycyl histidyl lysine with a copper ion) found naturally in human tissues and fluids. Its levels decline with age, and it plays a role in tissue repair, regeneration,