GHK Cu may Prevent Oxidative Stress in Skin by Regulating Copper and Modifying Expression of Numerous Antioxidant Genes Why do glow peptides burn or sting after injection? If you're using GHK Cu, BPC 157, or TB 500 for skin health, hair, or tissue repair, this is a common question and usually not GHKCu Copper Peptide Therapy Skin & Healing Regeneration ghk cu HURTS, how to prevent that??? : r PeptideForum GHK CU Peptide for Skin Rejuvenation Wittmer Rejuvenation 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 show you how to