Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms Most people think GHK Cu works because it's a skin peptide. That's surface level thinking. #GHK Cu doesn't start with wrinkles, scars, or hairlines. It starts with cellular repair signalling. GHK Cu is a copper peptide GHK Cu Peptide: Beginner's Guide to Potential Benefits GHK CU 50 mg LIVV