A 5 common ingredients Fluoride This mineral is key to fighting tooth decay. Fluoride makes the enamel of your teeth harder and more resistant to acid wear . To make sure your toothpaste contains fluoride, check the list of active ingredients for sodium fluoride, sodium monofluorophosphate or stannous fluoride. Only these three forms of fluoride are recognized by the Food and Drug Administration for cavity prevention. And a little fluoride goes a long way: Most toothpastes contain only 0.15% fluoride ion, or 1500 parts per million. Glycerol This ingredient keeps toothpaste from drying out, gives it a consistent texture and helps it glide smoothly from the tube. Although it can go by multiple names — glycerol, glycerin or glycerine — it’s all the same molecule. When it’s not used in toothpaste, glycerol can also be added to processed foods such as yogurt, pre-cooked rice and peanut butter. Sorbitol Sorbitol plays two parts: Along with glycerol, it helps hold the toothp...
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