Our pet tooth cleaning spray contains glycerin, naturally derived alcohol, and baking soda. It can eliminate pet bad breath, eliminate pet tartar and plaque, the perfect solution to all pet oral problems. The way to use it is simple: First open your pet's mouth with your hand, open the lid, press the nozzle, and spray the spray directly into your pet's mouth 2-3 times a day. After use, it can completely solve pet oral problems, protect pet oral cavity, and make pets healthier.