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 Copper peptide GHK Cu Wikipedia GHK Cu Peptides: Unlocking the Copper Peptide Revolution in Skin Care GHK Cu Protocols and Dosages The Peptide Report GHK CU 50mg Injection, Packaging Type: Vial at 5000 box in Nagpur ID: 2857617432691