Crest Pro-Health Densify Daily Whitening toothpaste helps rebuild surface tooth density by remineralizing enamel. The 2X Enamel Protection System works to remineralize weakened enamel and prevent demineralization for a long-lasting smile. Key benefits: Helps rebuild tooth density Remineralizes weakened enamel Prevents demineralization Contains fluoride for cavity protection Whitening formula How it works: Coats teeth to fill microscopic weak spots Gradually re-joins weak microstructures Protects enamel against future density loss Crest Pro-Health Densify uses a premium formula with stannous fluoride to help defend against early tooth decay. For best results, use daily as part of your oral care routine. Ingredients Active Ingredient: Stannous Fluoride Inactive Ingredients: Glycerin, Hydrated Silica, Water, Sodium Hexametaphosphate, Propylene Glycol, PEG-6, Flavor, Zinc Lactate, Sodium Lauryl Sulfate, Carrageenan, Sodium Gluconate, Xanthan Gum, Sodium Saccharin, Sucralose, Titanium Dioxide Suggested Use> Adults and children 12 years and older: Brush teeth thoroughly, preferably after each meal or at least twice a day, or as directed by a dentist or physician Apply a pea-sized amount to toothbrush Brush for at least 1 minute Do not swallow Children under 12 years of age: Consult a dentist or physician