A year ago I started working with a copper peptide called GHK Cu. Topically every night. And under my doctor's care, I went deeper than topicals with a low dose. The difference in Peptides are the hottest word in wellness right now, so naturally I had to dive in!, The peptide stack I am trialing is GHK CU (hair, skin & nails) and Glutathione (neutralizes free radicals, reduces GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Advanced GHK Cu Face Cream 2400mg 4% Firmer Skin Neurogan Neurogan Health GHK Cu Youthful Skin, Healthy Cells, Vibrant You. GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B