Listerine Advanced White Multi-Action Mouthwash Clean Mint 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.
Especially effective when used morning and evening after brushing. Pour 20 ml (4 x 5 ml teaspoonfuls) into a glass, rinse around teeth and gums for 30 seconds, then spit out.