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 Peptide Therapy for Inflammation: A New Solution GHK Cu may Prevent Oxidative Stress in Skin by Regulating Copper and Modifying Expression of Numerous Antioxidant Genes GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Topical GHK Cu: Skin Benefits, Best Forms, and Where to Buy