Tropiclean Fresh Breath Instant Foam is an oral hygiene foam for dogs and cats. Regular use of the product keeps teeth and gums healthy and clean, and helps maintain fresh breath. It contains natural ingredients. Ingredients: purified water, glycerin, natural mint, baking soda, Polysorbate 20 (surfactant), corn alcohol, chlorophyll, green tea leaf extract. How to use: expose the teeth and gums by pulling back the lips and apply the foam directly to the teeth by pressing the dispenser. For best results, use daily.