For those of you that take ghk cu, why is this so bad? It's never been this bruised. But is always swollen, red, and burns like hell. I can only tolerate every other Subcutaneous Injection: What It Is and How to Give One 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 How to Mitigate GHKCU Burn and Stinging Effectively Injection Site Redness ChemoExperts