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 The GHK Cu Peptide: Benefits, Uses, and Why it's Known as the Regenerative Copper Complex Unlocking the Secrets of GHK Cu: The Revolutionary Peptide for Youthfu Copper peptides explained what are the differences between copper peptides and GHK CU peptides? What they actually do for the skin in terms of repair and collagen, and what you can and cant mix