GHK Cu Peptides: Unlocking the Copper Peptide Revolution in Skin Care Do you know what this little blue injection is? It's called GHK Cu aka the Glow Peptide I've always believed in peptides for skincare, but honestly I never thought about 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 Peptide Injection Site Reactions: What's Normal, What's Not, and What Revolution Health & Wellness GHK Cu Copper Peptide Injections: Advanced Skin Rejuvenation GHK Cu Copper Peptide Skin & Healing Beverly Hills