Anticavity Fluoride Toothpaste, Refill, Baking Soda & Peroxide, Crystal Ice With breath freshening. 50% more toothpaste than in regular size pump. Clinically proven fresh breath. Unleash the baking soda & peroxide reaction. The ingredients dentists recommend most for the care of teeth and gums. Clinically proven long lasting fresh breath. Invigorating clean taste. Helps clean away plaque. Strengthens teeth and fights cavities. Easy-To-Use Refill: When your Mentadent pump is empty, simply remove the empty cartridge and insert the refill. It's easy, clean and convenient. The Baking Soda & Peroxide Reaction: In a dual chamber dispenser baking soda & peroxide are kept separate. When you brush, the two sides react and release powerful oxygen bubbles. Bubbling action formula thoroughly cleans to give you long lasting fresh breath.