Listerine is the 1# mouthwash brand in the UK & Ireland*. This product is designed to kill up to 99% of bacteria that cause plaque and bad breath left after brushing for 12-hour germ protection and up to 24-hour fresh breath protection when used twice daily This fluoride mouthwash is designed to remineralise enamel, strengthen teeth, and offer gum protection, while zinc chloride acts to help prevent tartar — teeth are protected from cavities and decay The mint mouthwash is proven to be 5x more effective than floss at reducing plaque** and helps maintain naturally white teeth (**Germ kill provides sustained plaque reduction above the gumline after a dental cleaning. Use alongside brushing and flossing) How to use: Pour 20ml (4 x 5ml teaspoonfuls) of Listerine mouthwash into a glass, rinse around teeth and gums for 30 seconds, then spit out. Especially effective when used morning and evening after brushing Product details: Listerine Total Care Stay White Mouthwash (500ml), helps to reduce plaque, freshen breath, help prevent tartar build-up, and maintain naturally white teeth, while helping strengthen teeth with fluoride