GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B 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 GHK Cu DrBrainRX GHK Cu: A copper bound peptide that stimulates collagen and healing. Used for skin repair and anti aging, it may reduce wrinkles, improves hair growth, and boosts metabolism, providing patients with firmer skin and a GHK Cu Peptide Benefits for Skin and Hair LIVV Natural GHK Copper Peptide GHK Cu Tripeptide 1