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 Cu: The Peptide That Transforms Skin and Tissue Health Calibrate Hydration Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms Viral claim says GHK Cu reset nearly 4,000 genes to a younger state and increased collagen production in a preclinical study. This refers to research on GHK Cu, a naturally occurring copper binding peptide that GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B