Most people think they need to take copper peptides. But Your body already produces its own copper peptide called GHK Cu. But levels naturally decline with age. So Instead of trying to replace GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Best Anti Aging Serum for Firmer Face: 3% GHK VIP Luxury Serum Cosmetics with Copper Peptides Organic Skin Care Products to Look Younger Shop Skin Biology Skin Care Company Dr. 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