#1 dentist recommended brand for sensitive teeth.ToothpasteGlaxosmthklnActive Ingredients:Potassium Nitrate 5 %; Sodium Fluoride (W/V Fluoride Ion) 0.15 %Adults and children 12 years of age and older. Apply at least a 1-inch strip of the product onto a soft bristle toothbrush. Brush teeth thoroughly for at least one minute, preferably after each meal or at least twice a day (morning and evening) or as recommended by a dentist or physician. Make sure to brush all sensitive areas of the teeth. Children under 12 years of age: consult a dentist or physician. Other Information: Store below 30 degrees C (86 degrees F).Inactive Ingredients:D&C Yellow #10; FD&C Blue #1; Flavor; Glycerin; Hydrated Silica; Sodium Lauryl Sulfate; Sodium Saccharin; Sorbitol; Titanium Dioxide; Trisodium Phosphate; Water; Xanthan GumUses:Builds increasing protection against painful sensitivity of the teeth due to cold, heat, acids, sweets, or contact. Aids in the prevention of dental cavities. Contains potassium nitrate clinically proven to reduce painful sensitivity. Provides fast relief within two weeks. Has fluoride for cavity protection. Great taste keeps mouth feeling fresh and clean. Contains no sugar. 9 out of 10 dentists' recommended brand. #1 dentist recommended brand for sensitive teeth*. *Dentists have been recommending Sensodyne for over 20 years. Brushing twice a day with Sensodyne builds a shield of protection against painful sensitivity. And, since Sensodyne has fluoride, it helps protect against cavities too.If pain/sensitivity still persists after 4 weeks of use, please visit your dentist. Stop use and ask a dentist if the problem persists or worsens. Sensitive teeth may indicate a serious problem that may need prompt care by a dentist. Keep out of reach of children. If more than used for brushing is accidentally swallowed, get medical help or contact a Poison Control Center right away.