Aquafresh Triple Protection is a clinically proven formula. It rebuilds enamel strength from the inside out, creating a shield** to help protect teeth; It helps protect gums*; and refreshes breath with a fresh mint flavour. When you brush with our great-tasting formulation, active minerals microscopically absorb into your teeth, fortifying and strengthening them from the inside out. This creates a protective shield to help lock out sugar acid attack.