Fraley What's the difference between GHK Cu (copper peptide) as a topical cream vs an injection? In this video I break down: What GHK Cu is and why it's used in anti aging skincare GHK Cu Topical Cream Your skin holds a protein called copper peptide and it naturally declines with age. GHK Cu, the star of our RenewMe program, works by replenishing that signal so your body remembers how GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B 7% GHK CU ACCELERANT Platinum Skin Care