Peptides and Wellness Medications Copper Peptide (GHK Cu): Clinical Uses, Stability & Compounding Tips And we're back with our GHK Cu peptide injection pen. Here's how to use it, and where. More coming soon ;) #ghkcu #ghkcucopperpeptide #peptides 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 Peptides' Skincare Effects, Potential Risks & Side Effects Perfect Medical Copper Peptides Elmhurst IL Chicago Accelerated Aesthetics