Its fast action formula acts rapidly to quickly create a mineral - like seal over the surface of the exposed dentine in 60 sec. (when used as directed) & within the microscopic channels. Active Ingredient Stannous fluoride Inactive Ingredients Glycerin, PEG-8, hydrated silica, pentasodium triphosphate, flavor, sodium lauryl sulfate, titanium dioxide, polyacrylic acid, cocamidopropyl betaine, sodium saccharin.
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