Crest Sensitive and Gum All Day Protection wraps your teeth in sensitivity protection by treating it at the source. Its specialized formula neutralizes harmful plaque bacteria at the gum line and provides immediate sensitivity relief within days. About this item Starts working on sensitivity immediately* for relief within days *starts working immediately by blocking tubules Creates a shield of protection against food and drinks Clinically proven healthier gums Refreshing sensitivity relief All-day protection (with twice-daily brushing) Ingredients Active Ingredient: Stannous Fluoride 0.454% (0.14% w/v Fluoride Ion) Inactive Ingredients: Water, Sorbitol, Hydrated Silica, Sodium Lauryl Sulfate, Carrageenan, Sodium Gluconate, Flavor, Stannous Chloride, Xanthan Gum, Cocamidopropyl Betaine, Zinc Citrate, Sodium Hydroxide, Sodium Saccharin, Sucralose, Titanium Dioxide Includes: (24) 3.7oz Tubes