promises to clean beneath your gum line while polishing tooth enamel. It sells for $99, but we have one to award to one lucky reader. For your chance to win, send an email to Health & Fitness editor ...

A fan of the set shared, "Seeing results in 2 weeks. I've been using the Supersmile toothpaste for 10 years with drugstore brand whitening mouthwash. It worked very well, but recently even adding ...