Sensodyne Fresh Mint Toothpaste contains potassium nitrate clinically proven to reduce painful sensitivity. It provides relief in as little as two weeks. It has fluoride for cavity protection. Its great taste keeps mouth feeling fresh and clean. Active Ingredients: Potassium Nitrate (5%) (Maximum FDA Sensitivity Active Ingredient), Sodium Fluoride (0.15% w/v Fluoride Ion). Inactive Ingredients: Water, Sorbitol, Hydrated Silica, Glycerin, Cocamidopropyl Betaine, Flavor, Xanthan Gum, Titanium Dioxide, Sodium Saccharin, Sodium Hydroxide, Sucralose, Yellow 10, Blue 1. Apply at least a 1-inch strip of the product onto a soft bristle toothbrush. Brush teeth thoroughly for at least one minute.