Cleanses the Oral Cavity and Freshens the Breath. Spray gums above back molars on each side of mouth. Modified application: Spray directly onto any swab and apply to the outside of your pet’s back upper molar teeth and gums. A natural cleansing action will carry formula into remote oral cavity areas. Use daily for best results. INGREDIENTS: Deionized Water, Zinc Gluconate, Ascorbic Acid (Vitamin C), Taurine, Sodium Saccharin, Methylparaben, Propylparaben, FD & C Blue #1.