80% of dental problems are caused by the enamel erosion and acid attacks. The enamel is the external layer that protects teeth. In spite of its hardness, it is eroded day after day by acid attacks of food and drinks. This erosion process is invisible and can come to all ages: the teeth are more vulnerable.<br /><br /><strong>Regenerate Boosting Serum 2 x 16ml</strong> increases the Expert toothpaste efficiency as it maximizes the capacity to regenerate the enamel. It brings a targeted protection to teeth against the erosion effects and acid attacks thanks to the NR-5 technology and in fluorine in its formula.<br /><br />This kit contains:<br />- an activator gel,<br />- a serum,<br />- two adjustable gutters,<br />- a stick.