GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy Peptides for Longevity: BPC 157, TB 500, GHK Cu & CJC 1295 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 Subcutaneous Injection Sites and Instructions for Safe Self Administration GHK Cu (Copper Peptide) Provider Supervised Therapy IV Glow Bar Glow Peptide Injection: Revolutionizing Skin Rejuvenation Hubmed