Not only does this toothpaste clean, whiten and give you fresh breath, but one day I was brushing my teeth and the toothpaste dropped off my toothbrush and I went to wipe it out of the sink and the rust in the sink came off. I have really hard water and I have a hard time tring to get the rust stains out of the tubs and sinks, that is until now, I could not believe that Crest toothpaste took rust out of both the tubs and sinks. I was a very happy woman that day:) Thank you Crest!!!!