GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B GHK Cu Peptide Benefits for Skin and Hair LIVV Natural Fraley What's the difference between GHK Cu (copper peptide) as a topical cream vs an injection? In this video I break down: What GHK Cu is and why it's used in anti aging skincare Glowyour way. Meet GHK Cu, our glow enhancing copper peptidenow available in both a luxe topical cream and an injectable option, personalized to how you want to elevate your results. This is the GHK Cu Topical vs Injection Which is the Better Copper Peptide Form?