GHK Cu (Copper Peptide) is a naturally occurring substance in the body made of a small protein (peptide) and copper. In simple terms, GHK Cu helps the body repair and renew itself. As we Skin Perfection GHK Cu Copper Peptide Serum Booster, 1 Percent Blue Liquid For Face, Neck, Body, Hair, And Scalp, 0.5 oz Walmart.com People are searching for the GHK Cu pen. Ordering it online. Trying to figure out how to use it safely at home. We looked at all of that and thought: there has to GHK Cu Peptide: Benefits for Tissue Repair, Healing, and Recovery Revolution Health & Wellness All About GHK Cu Peptide More Than Just Cosmetic What Is GHK Cu? How It Works in Research and Quality Signals