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 Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum Grass Fed Beef Tallow & Copper GHKCU Peptide Soap Bar with Coconut Oil Shea Butter for Glow from within with GHK Cu Copper Peptide , This powerhouse peptide supports collagen production, skin repair, and hair follicle health, helping improve skin firmness, radiance, and support