Toothpaste Ingredients Through History Included Oyster Shells, Soap, and Charcoal
When you reach for a tube of modern-day toothpaste, do you ever wonder what exactly is in that tube? You probably know there is fluoride in the paste, which is a great cavity fighter. Often it will include a whitener for brighter teeth, plus ingredients for flavor, color, smoothness and moistness. But have your ever…