Crest Cavity & Tartar Protection Toothpaste with Whitening Baking Soda & Peroxide, Fresh Mint Regular brushing can help protect your teeth and strengthen weak spots to help fight cavities. This formula contains baking soda and peroxide and it whitens your teeth by removing surface stains. Gentle on tooth enamel. Freshens breath for a clean feeling mouth. It fights tartar buildup and it'll leave your breath feeling fresh.