Synergy Labs Dental Fresh Spray 4 Oz Made in the U.S.A. Ingredients: Water, Stabilized Chlorine Dioxide, Sodium Bicarbonate, Potassium Sorbate, Sodium Benzoate, Tetrasodium EDTA, Methyl Paraben, FD&C Blue #1, FD&C Yellow #5 Pet Supplies Dental Fresh Spray, 4 oz Moochie & Co.