GHK Cu Peptide for Hair Growth: Science, Benefits, and How It Works GHK Cu is one of the most talked about peptides in aesthetics right now. But how much of what you have heard about it is actually true?, Copper peptide, known as GHK Cu, has a growing body of peer GHK Cu Hair Foam Dropper RenewMe YoungerMe MD No make up kinda day! Can't wait to try that ghk cu to get that glow and perfect skin. I love peptides are there any more I need to check out? #peptides The Science and Benefits of GHK Cu Peptide: Skincare, Hair Growth, and Beyond