DESC: TomÆs of Maine Wintermint natural Sensitive Toothpaste, with naturally occurring mineral potassium nitrate for protecting sensitive teeth from painful stimuli Builds increasing protection against the painful sensitivity of teeth to cold, heat, acids, sweets, or contact. Sensitive Teeth Cleaner:Using potassium nitrate, a naturally occurring, clinically proven active ingredient, we have formulated this toothpaste to help soothe the pain of sensitive teeth. Its low-abrasion formula protects tooth enamel while cleaning teeth effectively, and has the fresh, clean taste of natural flavor oils, so it"s never bitter.Dear friends, When we founded TomÆs of Maine in 1970, we based it on the idea that nature has answers to our everyday needs. Over the years, our team of herbal experts, dental health professionals, and scientists have proven our original belief: ingredients from nature really work. What makes our products so effective? We use natural ingredients in innovative ways without adding a