GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy Injectable GHK Cu: Beginner's Guide to Copper Peptide GHK Cu and Reproductive Health: Mechanisms, Fertility Benefits 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 Ghk Peptide Application Method TikTok GHK Copper Peptide GHK Cu Tripeptide 1