GHK Cu Peptide The benefits, side effects, and more [2026] GHK Cu Injection AgelessRx 99% Pure Copper Peptides (ghk cu) Great for DIY 1 Gram Etsy GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B 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