GHK Cu Week 1 Update: Eyelash Growth & Skin Changes GHK CU peptides injectableis this an allergic reaction to the peptides?? Helppppp#peptide #ghkcu #matureskin GHK Cu Peptide Therapy Pricing 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 you're GHK Cu Idaho Concierge Medicine Neurogan Health, copper peptide GHK CU, 120 mcg, 60 tablets iHerb