Remove tartar & stains - smile with confidence. a lot of people use this to remove stains on their teeth from coffee, red wine drinkers to smokers. it make your teeth clean & smooth in two minutes like you just get back from a cleaning at the dentist office, but with zero pain or sensitivity.be careful when opening lid for the first time.whiten with no sensitivity - premium ingredients, excellent for gum healthrefined charcoal powder from the purest sources