The ONLY toothpaste with Triple Enamel Protection to STRENGTHEN enamel with Fluoride, NEUTRALIZE enamel-eroding acids with 100% ARM & HAMMER Baking Soda, and REPAIR the enamel surface with Liquid Calcium™ Technology. Liquid Calcium™ technology helps repair the enamel surface by filling in tiny crevices and restoring tooth-strengthening minerals Clinically proven to whiten teeth in just 5 days with our enamel-safe whitening formula Restores gloss and luster for a brighter smile Fluoride tooth