GHK Cu Peptides: Unlocking the Copper Peptide Revolution in Skin Care 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 Protocols and Dosages The Peptide Report GHK Cu Peptide Benefits for Skin and Hair LIVV Natural BodyPharm GHK Cu My Antidote