Paste hi Nahi, Daanto Ka Poshan! Our teeth lose calcium every day as we eat sugary or Junk foods and weaken over time. 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 fluoride toothpaste. Also helps prevent cavities, whitens teeth and freshens breath.