Listerine Coolmint Brushing only cleans 60% of the surfaces of your teeth leaving plaque bacteria in the hard to reach places such as between your teeth. That is why dentists & hygienists recommend additional oral hygiene aids such as floss & mouthwash. Used twice daily, Listerine Coolmint is proven to kill up to 99.9% of bacteria in the mouth, reduce plaque by up to 56% more than brushing alone, provide 24 hour fresh breath protection & maintain healthy gums. Ingredients The active ingredients are Eucalyptol, Menthol, Methyl Salicylate & Thymol. The other ingredients are water, alcohol, sorbitol solution, flavoring, poloxamer 407, benzoic acid, sodium saccharin, sodium benzoate, FD&C green no. 3 Directions Brush twice every day. After each brushing session, use 20ml (approximately 3/4 capfuls) to rinse your teeth & gums. Gargle for 30 seconds. Do not swallow. Do not dilute.