For complete oral care, brushing alone is not enough. Adding a 30-second rinse with Listerine Cavity Fighter Mouthwash to your morning and night time routines is all it takes to get 24 hour protection against germs that cause bad breath, plaque and gum disease gingivitis. It reaches areas of your mouth that toothbrush cannot reach and forms a protective fluoride layer, shielding teeth from cavities. Listerine mouthwash comes from a formula of four essential oils that kill millions of germs on contact. The combination of eucalyptol, menthol, methyl salicylate, and thymol continues to deliver unsurpassed results. It makes your tooth enamel stronger and resistant to erosion by acids.