Meet the ingredient your skin has been waiting for. GHK Cu, or Copper Tripeptide 1, is one of the most researched anti ageing actives in skincare. It firms. It renews. It supports collagen. And now Amazon.com: Skin Perfection Copper Peptide Serum GHK CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp 1% Blue Liquid for Face, Neck, Body, Scalp Multi Use Serum Booster with Small molecule, big results Our Copper Peptide GHK Cu Serum works beneath the surface to rebuild and strengthen your skin. Enhanced with Niacinamide 2% and Hyaluronic Acid for a balanced, hydrated and GHK Cu 50MG Raw Amino Intense Copper Binding GHK Cu 5% +Palmitoyl Oligopeptide 0.3% Repair S Chebo Clinic