GHK Cu Peptides: Unlocking the Copper Peptide Revolution in Skin Care GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B 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 If your GHK Cu or MOTS C injection leaves welts and burns like a hornet, it's usually not the peptide it's the technique. A few small tweaks can turn a sting into almost