PetzLife Oral Care Spray is a complete, all-natural solution to your pet's oral care needs. It is guaranteed to break down plaque and tartar. It works under the gum line to help gum tissue and kill the bacteria that causes bad breath. So whether your pet has bad tartar build-up, red inflamed gums or just plain old stinky breath PetzLife is your solution! Apply twice daily until plaque and tartar has dissolved with noticeable results in about thirty days and then apply two to three times per week for preventative maintenance.