Listerine original 500ml the world famous origional mouthwash from listerine trusted by millions world wide brushing only cleans 60 of the surfaces of your teeth leaving plaque bacteria to grow in the hard to reach places in your mouth used twice a day listerine original can 1 kill germs kills up to 97 of germs left behind after brushing 2 reduce plaque reduces plaque by up to 56 more than brushing alone 3 keep breath fresh provides up to 24 hours of fresh breath protection 4