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 Copper Peptide: The Ultimate Peptide For Longevity Subcutaneous Injection Sites and Instructions for Safe Self Administration GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B If your GHK injection site gets irritated try this , 1. Dilute it by adding more water to the syringe , 2. Let it sit until it reaches room temperature , Also, make sure youre rotating injection