GHK Cu Topical Cream Fraley Whats 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 its used in anti aging skincare What results Glowyour way. Meet GHK Cu, our glow enhancing copper peptidenow available in both a luxe topical cream and an injectable option, personalized to how you want to elevate your results. This is the Wellness peptide craze: why people are injecting drugs 'not for human consumption' Cu Peptide Before and After: What to Expect for Skin and Hair