LISTERINE Advanced White Milder Taste is a ZERO-ALCOHOL formula clinically proven to help give you whiter teeth in just 1 week*. How LISTERINE Advanced White works:Cleans:Powerful Essential Oils help kill 99% of germs that cause plaque** Whitens & Protects from New Stains:With non-abrasive whitening technology that does not harm the enamelForms a protective shield to help prevent future stains. Strengthens:With fluoride to remineralise and strengthen teeth*proven to lift and prevent tough stains**in a lab studyFlavour – Spearmint