Listerine Advanced White Mouthwash Spearmint keeps your gums and teeth strong and healthy. The advanced formula helps breath stay fresh, and your smile white. Listerine Advanced White Mouthwash Spearmint is proven to lift and prevent tough stains for whiter teeth in just 2 weeks. Powerful essential oils penetrate and reduce plaque bacteria to clean the tooth surface. Non-abrasive whitening technology lifts stains and a protective shield helps to prevent new stains forming. Key features of Listerine Advanced White Mouthwash Spearmint: Multi-Action Mouthwash Whiter teeth in just 2 weeks Reduces plaque bacteria Keeps your gums and teeth strong and healthy Helps breath stay fresh