New Colgate Maximum Cavity Protection with Sugar Acid Neutralisee is clinically proven to fight tooth decay in two ways: 1. Its patented Sugar Acid Neutraliser helps de-activate sugar acids before they can harm teeth. 2. With Fluoride & Calcium, it also strengthens & remineralises the enamel to help prevent cavity formation. Its formula effectively removes stains, helping to restore the whiteness of your teeth. Sugar acids in plaque can weaken teeth & cause cavities Sugar Acid Neutraliser helps to de-activate sugar acids in plaque.