GHKCu Copper Peptide Therapy Skin & Healing Regeneration GHK Cu Injectable Team Wellcore GHK CU Peptide for Skin Rejuvenation Wittmer Rejuvenation Clinic 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 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 you're