GHK Cu Topical vs Injection Which is the Better Copper Peptide Form? GHKCu Copper Peptide Therapy Skin & Healing Regeneration GHK CU 50 mg LIVV GHK Cu Revival Clinic 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 In Vitro and in Vivo Studies of pH Sensitive GHK Cu Incorporated Polyaspartic and Polyacrylic Acid Superabsorbent Polymer ACS Omega