Our pet mouth spray contains gallnut, menthol, propolis. It fights gum disease, eliminates bad breath, and fights plaque, tartar, and gum disease. It is easy to use: first open your pet's mouth with your hand, remove the lid, press the nozzle, and spray the cleaning spray onto the teeth and gums or into the pet's water bowl. After use, it helps to treat pet oral health, remove dental plaque and tartar, treat gingivitis and periodontitis, and restore pet oral health.