True beauty radiates from within. Probiotic Smile is a patent-pending, synergistic blend of powerful probiotics clinically studied to naturally and safely whiten teeth, freshen breath and support the health of the mouth, teeth and gums. Works at the source to inhibit the growth of bacteria that caused bad breath and compromises oral health. When used as directed, the probiotics create hydrogen peroxide that naturally and comfortablly whitens teeth with noticeable results in just 30 days without the use of harsh chemicals or the inconvenience of expensive procedures.