Copper peptides like GHK Cu work by sending signals to your skin to repair, regenerate, and produce collagen. It's not about instant results, it's about improving how your skin functions over time. Dr. Tripeptidecopper complex GHKCu (II) transiently improved healing outcome in a rat model of ACL reconstruction Fu 2015 Journal of Orthopaedic Research Wiley Online Library Skincare isnt just about what you see on the surfaceits about whats happening underneath., GHK Cu (Copper Tripeptide 1) is a naturally occurring peptide that plays a role in skin repair, collagen Amazon.com: 27:17 Recovery Joint and Muscle Recovery Cream with Copper Peptide (GHK Cu), Arnica and MSM Fast Absorbing Lotion for Post Workout and Daily Recovery Non Greasy, Made in USA (3.38 fl oz Amazon.com: 27:17 Recovery Joint and Muscle Recovery Cream with Copper Peptide (GHK Cu), Arnica and MSM Fast Absorbing Lotion for Post Workout and Daily Recovery Non Greasy, Made in USA (3.38 fl oz