GHK Cu Optimize Integrative Health If youre using GHK Cu and it stings a little (which is common) this ones for you , In this reel Im sharing the small tweaks that have helped me make peptide injections way more comfortable 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 GHK CU Peptide for Skin Rejuvenation Wittmer Rejuvenation Clinic GHK Cu (Copper Peptide) Deep Dive: Mechanisms, Benefits, Risks, Forms, & Dosing