Not only does it kill germs, the refreshing mint flavour of Listerine Cool Mint makes it a crowd favourite for those who want to keep their breath feeling fresh all day. Used twice daily after brushing, Listerine Cool Mint provides 24- hour protection against germs that cause bad breath, plaque and gum problems. Reduces plaque 5X more than brushing and flossing alone. Unique formula with 4 Essential Oils deeply penetrates plaque to kill bacteria in the biofilm.