Copper Fusion Cream 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 Amazon.com: The Ordinary Multi Peptide + Copper Peptides 1%, GHK Cu Anti Aging Serum for Fine Lines and Skin Elasticity, 1 Fl Oz : Beauty & Personal Care 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 Intense Copper Binding GHK Cu 5% +Palmitoyl Oligopeptide 0.3% Repair S