Pptido de cobre GHK GHK Cu Tripptido 1 Peptide Injections: What They Are, What They Promise, and the Big Unknowns Copper Peptides Before and After: Visible Skin Improvements Explained Hubmed 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 Rejuvenation and Youth with GHK Cu Peptide Treatment Dr. Ahmet zyigit