Colgate Strong Teeth has a unique Calcium Boost + Arginine formula which restores natural calcium back to your teeth and nourishes them. Resulting in 2X stronger teeth vs usage of regular toothpaste. Colgate Strong Teeth toothpaste also helps prevent cavities, whitens teeth, and freshens breath with regular use. For a better experience try with Colgate Gentle Enamel Toothbrush. For optimal results, brush twice daily for 2min. This toothpaste is safe to use on kids and adults. online today!