Before Whitening, ,Active Ingredient: Sodium Fluoride (0.24%). Inactive Ingredients: Water (Aqua), Hydrated Silica, Sorbitol, Xylitol, Glycerin, Cocamidopropyl Betaine, Sodium Bicarbonate, Titanium Dioxide, Xanthan Gum, Menthol, Cellulose Gum, Sodium Saccharin, Potassium Sorbate, Peppermint Oil, Spearmint Essential Oil, Citric Acid, Aloe Barbadensis Leaf Extract, Arginine, Zinc Sulfate.