The Neat Squeeze dispenser has a unique inner bag that empties itself as you squeeze in middle. When the package gets lighter and is harder to squeeze, it s time to buy more Crest. With regular brushing: Fights cavities Fights visible tartar build-up Whitens teeth by gently polishing away surfaces stains Leaves teeth feeling slick and smooth Leaves breath feeling refreshed Specially formulated enamel safe polishing ingredient whitens by gently polishing away surface stains - not bleaching ;