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 Advanced Enamel Serum 2 x 16ml</strong> (MONTHLY REFILL) is a serum that increases the efficiency of the Expert toothpaste by 43%, maximizing the ability to regenerate the enamel even in the most difficult reachable inter-dental spaces.<br /><br />Thanks to the NR-5 technology and the fluorine contained in its formula, the Serum Expert helps to protect the teeth against the effects of enamel erosion and acid attacks.<br /><br />If combined with the Activator Gel, this serum releases concentrated active ingredients that enhance enamel regeneration, helping to reverse the erosion process at an early stage.<br /><br />Each kit contains:<br />- an Expert Serum NR-5,<br />- an Activator Gel<br />(These products must be used with the gutter system and mixing stick of the Complete Serum Expert Kit).