ARM HAMMER Extreme White Toothpaste is the perfect solution for a whiter, brighter smile. This formula gets your teeth 3 shades whiter in just 4 weeks with regular use. After 8 weeks, switch back to another ARM HAMMER whitening toothpaste for sustained whitening. This paste uses baking soda for effective, gentle whitening in a low abrasion formula. It helps eliminate and remove both surface and deep stains for whiter teeth. Plus, it also offers fluoride cavity protection to aid in the prevention of dental decay and help remineralize tooth enamel. For smiles big and small, ARM HAMMER has a wide range of toothpastes to fit your cleaning, whitening and freshening needs.Fluoride cavity protection aids in the prevention of dental decay and helps remineralize tooth enamel. Helps eliminate and remove surface and deep stains. Baking soda provides effective, gentle whitening in a low abrasion formula. Gets your teeth 3 shades whiter in just 4 weeks with regular use. Extreme White Toothpaste is the perfect solution for a whiter, brighter smile.