Struggling with hair thinning or shedding? Meet GHK Cu, the topical peptide everyone is talking about and NO, it's not an injection! This powerful serum helps: Reduce shedding GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B 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 GHK Cu Peptide: Benefits for Tissue Repair, Healing, and Recovery Revolution Health & Wellness