Copper peptide also known as GHK Cu. Im not saying I look younger than 36, but I think I look pretty good for my age. My skin journey has been rigorous working on treating acne flare ups and GHK Cu Peptide for Skin & Hair Facial Serum & Scalp Solution GHK CU Crepey Skin Escape Platinum Skin Care Skinworks GHK Cu will always be that girl One of my go to favorites right now is GHK Cu. Here's a little about it: GHK Cu is something your body actually produces naturally and GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B GHK Cu Peptide: Turn Back the Clock Naturally Calibrate Hydration