Duo: Copper Complex Natural Topical HPIHair GHK Cu (100mg) Research Peptide Kindred Aminos Electrophoretic deposition of GHK Cu loaded MSN chitosan coatings with pH responsive release of copper and its bioactivity ScienceDirect GHK cu is a copper peptide. It's great for skin, especially when you combine it with other things. My favorite is DMSO and derma rolling. My first experience with copper peptides was Procytes Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms THE SURPRISINGLY EFFECTIVE DMSO + COPPER PEPTIDE CREAM! http: store.reverseskinaging.com 3_3_GHK_Cu_Body_Soothing_Cream_p 65.htm What Makes This Product Different: Soothe tired, lax skin on the body with this product that is the first of its kind! Dr.