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 GHK Cu Rigenerazione e antiossidante PepticoreAminos GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Ghk Cu 50mg Copper Peptide Injection at Best Price in Chennai Vital Science Industry The tripeptide GHKCu complex ameliorates lipopolysaccharideinduced acute lung injury in mice Oncotarget