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 GHK Cu Peptide for Regenerative Signaling and Tissue Repair Noelle Diamond, RDN, MA posted on the topic LinkedIn GHK Cu Youthful Skin, Healthy Cells, Vibrant You. GHK Cu: The Elegant Copper Peptide for Skin and Scalp Renewal Renew Vitality