LISTERINE COOL MINT B/S is an effective minty mouthwash used for achieving a fresh breath as it kills 99.9% germs.  This mouthwash is effective when used in the morning and evening after brushing.  To Use: Pour 20ml (4*5 ml teaspoonfuls) into a glass, rinse around your teeth and gums for 30 seconds, and then spit it out. Not suitable for to use in for children under 12 years Do not eat or drink 30 minutes after use.