I only used it once, you have to be patient enough to remove the stains but I think you should not use it too much and go to the dentist for a real scaling. It helps with the stains in front but not much more.
Anonymous A.
Chewing gum made to help remove external stains from teeth and dyes generated especially by tea, coffee, wine and nicotine. It has a profiled exfoliating tip that allows an effective cleaning.