GHK Copper Peptide: Your Secret to Youthful, Radiant Skin, Skin Spa by Dr Kia Dr. Kia Shakib , (310)312 1231, [email protected], drkiala.com, Brentwood, Los Angeles , #drkia #peptides If GHK Cu has ever made you question your life choices mid injection I've been there That burning sensation is common but here's what helped me: Use a inch needle ( GHK Cu Copper Peptide: The Ultimate Peptide For Longevity 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 Subcutaneous Injection Sites and Instructions for Safe Self Administration