Urea Peroxide, Aqua, Glycerin, Potassium Citrate, Xylitol, Hydrogen Peroxide, Calcium Lactate, Triethanolamine, Carbomer, Disodium EDTA, Citric Acid, Mentha Piperita (Peppermint) Oil, Zinc Chloride, Aloe Barbadensis Leaf Juice, Melia Azadirachta Leaf Extract. Carbamide Peroxide: 20%, Hydrogen Peroxide: 4%.