Protects & rebuilds enamel. For Stronger, Healthier & Whiter Teeth: Fluoride formula with calcium, baking soda & peroxide. Rebuilds and strengthens enamel; Neutralizes harmful acids; Gently whitens teeth; Removes more plaque. Acid from food & drink weakens the tooth's surface & wears away enamel. Fluoride formula with calcium fills crevices to restore enamel. Baking soda & peroxide remove plaque & gently whiten teeth. Leaves teeth stronger, cleaner & whiter.