Expert Toothpaste is used twice a day to replace regular toothpaste. Equipped with NR-5 technology, its formula regenerates enamel* and reverses the erosion process in una early stages. It is clinically proven. The Toothpaste Expert is effective from the first use.* It acts on enamel erosion in una early and invisible stages. It helps regenerate enamel by restoring its mineral content and microhardness with regular use. Clinically tested. It acts on erosion in una early and invisible stages. It regenerates enamel exactly with the same mineral it is made of. Daily use to replace regular toothpaste. Effective from the first use. Fresh mint flavor. Protects and helps prevent cavities for teeth 3 times stronger. NR-5 technology: calcium silicate and sodium phosphate. Clinically proven results. Helps restore the natural whiteness of teeth.