Sensodyne Pronamel Mineral Boost Toothpaste formula contains minerals to help keep your teeth's enamel strong and white. Pronamel mineral helps improve natural mineral absorption for strong teeth. This fluoride toothpaste protects teeth against the effects of dietary acids and cavities, maintaining high and long-lasting levels of fluoride. The enamel repair toothpaste helps protect against cavities and keep gums healthy with twice-daily brushing. It also cleans and freshens your mouth. All Pronamel products are made of fully recyclable packaging (tube, cap & carton).