Crest Baking Soda and Peroxide Whitening Toothpaste with Tartar Protection gives you protection against tartar and cavities, helps give you healthy teeth, and freshens your breath. Baking soda and peroxide freshen your whole mouth without a salty aftertaste. This whitening toothpaste is gentle on tooth enamel, while it removes surface stains to reveal the natural whiteness of your teeth.