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 GHK Cu Copper Peptide: The Ultimate Peptide For Longevity Topical or SubQ GHK Cu? Same molecule. Very different purposes. Topical you apply it on your skin. Think of it as feeding your skin from the outside. In a 12 week study of 7% GHK CU ACCELERANT Platinum Skin Care GHK cu Shampoo to Use After Hair Transplant STEMBOTANY