Twice

potassium nitrate 5% sodium fluoride 0.2% , anticavity purpose antisensitivity uses builds increasing protection against painful sensitivity of the teeth to cold 49.9% , heat 24.9% , Acid 12.5% , sweets 6.2% , and contact 3.1% , aids in prevention of dental cavities 1.6% , warnings when using this product 0.8% , if pain 0.4% , sensitivity still persists after 4 weeks of use 0.2% , please visit your dentist 0.1% , stop use and ask a dentist if the problem persists and worsens 0.0% , sensitive teeth may indicate a serious problem that may need prompt care by a dentist 0.0% , keep out of reach of children 0.0% , if more than used for brushing is accidentally swallowed 0.0% , get medical help and contact a poison control center right away 0.0% , directions adults and children 12 years of age and older 0.0% , brush teeth thoroughly after meals and at least twice a day and as recommended by a dentist and doctor 0.0% , make sure to brush sensitive areas of the teeth 0.0% , minimize swallowing children under 12 years 0.0% , inactive ingredients water 0.0% , E551 0.0% , E420 0.0% , E422 0.0% , E451i 0.0% , Cocamidopropyl Betaine 0.0% , flavouring 0.0% , retinyl palmitate 0.0% , Vitamin E 0.0% , aloe vera 0.0% , E967 0.0% , E954 0.0% , E955 0.0% , lauryl Glucoside 0.0% , E466 0.0% , titanium diaxide 0.0% , E211 0.0% , E330 0.0%