Reverse the early erosion process from modern diet and lifestyle with this three minute three days once a month dental treatment designed to boost the effectiveness of the advanced toothpaste by 43 to help regenerate lost enamel and give your teeth new life set includes regenerate enamel science nr 5 boosting serum 16ml regenerate enamel science activator gel 16ml 2 custom fit mouth trays 1 mixing stick to use to be used every month for three consecutive days ideally just before bed for