DESC: Tom's of Maine Fluoride Wintermint Toothpaste are made with effective ingredients. The active ingredient sodium monofluorophosphate is sourced from calcium fluoride and is used to safely clean and prevent cavities. Our toothpastes are flavored with natural oils for great taste. And, as always, no artificial sweeteners (like saccharin), preservatives or dyes are used in Tom's of Maine Fluoride Wintermint Toothpaste.