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 Subcutaneous Injection: What It Is and How to Give One How to Inject Peptides, +, Easy as 1 2 3!, +, Here are the few simple steps to start injecting your peptides., +, 1. Wash your hands, 2. Swab all the injection sites, 3. Open your needles, 4. Draw Wellness peptide craze: why people are injecting drugs 'not for human consumption' BBC News