GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy GHK Cu (Copper Peptide) is a naturally occurring peptide in the body that binds with copper to support cell repair and renewal. As we age, our levels decrease and thats where supplementation or What Is Peptide Therapy and Is It Safe? GHKCU Peptide Therapy Relive Health Houston, TX GHK Cu Focal Point Vitality Amazon.com: TOSOWOONG Copper Peptide Face Serum, Anti Aging with Copper Tripeptide, GHK Cu, 12 Multi Peptide Formula for Fine Lines, Firming, Skin Elasticity, Hydrating, Korean Skincare, 33ml 1.11 fl.oz. : Beauty & Personal Care