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 Copper Peptides for Skin: The Science, Benefits, and Best Practices Hubmed What is GHK Cu and Why is Everyone Talking About It? GHK Cu (Copper Peptide) is a powerful, naturally occurring compound in the body that plays a key role in skin health GHKCU Peptide Therapy Relive Health Houston, TX GHK Cu Peptide: Hair Regrowth for Thinning & Alopecia