Glow Peptide Injection: Revolutionizing Skin Rejuvenation Hubmed Copper peptide questions we get asked all the time How often should you use it? Do you need to avoid the sun? If you're new, start once daily (evenings are great), Copper Peptide (GHK Cu) 2% Recovery Serum GHK CU Crepey Skin Escape Platinum Skin Care 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