Arm & Hammer Mentadent Advanced Whitening Refreshing Mint Anticavity Fluoride Toothpaste. The Standard of Purity. Whiter Teeth in 7 Days*. Baking Soda & Peroxide. The Baking Soda & Peroxide Reaction. In a dual-chamber dispenser, baking soda & peroxide are kept separate. When you brush, the two sides react & release powerful oxygen bubbles. Bubbling action formula breaks down stains & leaves teeth noticeably whiter. Use: Aids in the prevention of dental decay. Try our other Arm & Hammer Oral Care Products. Arm & Hammer Advance White Brilliant Sparkle. Arm & Hammer Advance White Baking Soda & Peroxide. Arm & Hammer Whitening Booster. Questions or comments Call 1-800-786-5135 M-F 9 A.M - 5 P.M ET. For more information on our Arm & Hammer family of products, visit www.armandhammer.com. 2006 Church & Dwight Co., Inc.