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 GHK Cu (Copper Peptide) Provider Supervised Therapy IV Glow Bar Safe Injection Practices The Robin Foundation GHK Cu might be trending, but its not new., Before you inject yourself with this viral peptide, consider this., This copper peptide has been studied for years in skin repair and collagen signalling,