Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle 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 GHKCu Copper Peptide Therapy Skin & Healing Regeneration Subcutaneous Injection Sites and Instructions for Safe Self Administration Glow Peptide Protocol GHK Cu, BPC 157, TB 500 Neurogan Health