Arm & Hammer Mentadent Advanced Whitening Refreshing Mint Anticavity Fluoride Toothpaste Refill. The Standard of Purity. Whiter teeth in 7 days*. Baking soda & peroxide. 50% more than regular size pump. 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. *Data on file. Try our other Arm & Hammer oral care products. Arm & hammer, whitening booster, 3x more. Arm & hammer, advance white, brilliant sparkle. For more information on our Arm & Hammer family of products, visit Questions or comments Call 1-800-786-5135 M-F 9AM-5PM ET. www.armandhammer.com. 2006 Church & Dwight Co., Inc.