Tom’s of Maine Peppermint Fluoride Free Toothpaste plus whitening contains zinc citrate for astringency and silica for whitening.
Ingredients: Calcium carbonate, Glycerin, aqua, Xylitol, Hydrated silica, aroma, Sodium lauryl sulfate, zinc citrate, Chondrus crispus (Carrageenan extract), Sodium bicarbonate
Tom’s of Maine does not use artificial colours, artificial flavours or fragrances, or artificial preservatives. Additionally Tom’s of Maine products are made without animal ingredients and are gluten free.