LISTERINE ZERO Antiseptic Mouthwash, Mild Mint cleans and protects your mouth and is proven to kill germs that cause bad breath. This mouthwash is recognized by the Canadian Dental Association (CDA) for its ability to help reduce and prevent the progression of gingivitis when used in a properly applied program of oral hygiene and regular professional care. The great-tasting less intense mint flavour leaves your mouth feeling fresh. This mouthwash is alcohol-free and comes in 250-millilitre and 1-litre bottles.