GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B GHK Cu Copper Peptide HPLC Tested Peptide Warehouse 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 Everything you need to know about GHKCU pinning and where to get yours #ghkcucopperpeptide #ghkcu #glowpeptide #peptidepinning