Protect your mouth from germs with LISTERINE® COOL MINT™ Antiseptic Mouthwash.This mouthwash is recognized by the Canadian Dental Association (CDA) to help reduce and prevent the progression of gingivitis. Containing three essential oils, this moutwash kills up to 99.9 percent of germs to prevent gingivitis, reduce plaque, and freshen breath. The refreshing Cool Mint flavour leaves your whole mouth feeling clean. This mouthwash comes in 95-millilitre, 250-millilitre, 500-millilitre, 1-litre, and 1.5-litre bottles.