Listerine Original Mouthwash is a powerful mouthwash that helps fight against bad breath, gum diseases, and tooth decay. This 500 ml bottle of mouthwash contains a unique blend of essential oils that kills 99.9% of germs that cause bad breath and gum diseases. Its advanced formula also helps prevent cavities and plaque buildup, leaving your teeth and gums strong and healthy. Listerine Original Mouthwash is easy to use, simply rinse your mouth with 20 ml of mouthwash for 30 seconds, twice a day, after brushing your teeth.