Reverse the effects of erosion with the regenerate enamel science advanced toothpaste containing exclusive nr 5 technology which is clinically proven to replace the enamel which gets eroded away from teeth over time this unique toothpaste will protect the teeth against cavities and natural erosion a natural barrier formed to protect the core of the tooth enamel is the outer coating which defends against damaging acid attacks this outer layer gets eroded away every day by food and drinks