Charcoal infused bristles naturally whiten teeth.* Whitening cups polish away stains and plaque.*** Spiral bristles at both tips for extra whitening power. End rounded bristles for safe and effective cleaning of teeth and along the gum line. Tongue and cheek cleaner helps remove more bad breath bacteria.** *Whitens teeth by gently polishing away surface stains and fights cavities by brushing away plaque. *Charcoal infused bristles whiten teeth by removing surface stains. **Bacteria that cause bad breath vs. brushing along with flat-trim toothbrush. ***Whitening cups and bristles help remove plaque and polish away stains.