GHK Peptide as a Natural Modulator of Multiple Cellular Pathways in Skin Regeneration Pickart 2015 BioMed Research International Wiley Online Library Let's talk about GHKU CU GHK Cu: The Regenerative Glow Peptide GHK Cu (Copper Peptide) is a naturally occurring peptide in your body that plays a powerful role in cellular repair, skin Right, let's talk about GHK Cu which sounds like a Wi Fi password but is actually your body's built in regeneration switch. Think of it as the Tony Stark of peptides: brilliant, blue, and Peptide Vial Labels for 3ml & 5ml Vials 1.5" X 0.75" Labels Waterproof, Oil proof, Durable Etsy