Hydroxyapatite Nanoparticles Natural tooth element that integrates and forms a protective, wash-resistant coating. Fill irregular tooth surfaces. Repair tooth enamel, making surface smoother and brighter. Form a protective coating to prevent dental sensitivity. It is formulated with the exclusive DENTAID nanorepair® technology, based on hydroxyapatite nanoparticles, a natural tooth element that has the capacity to combine and integrate with the tooth enamel surface, forming a protective, wash-resistant layer. VITIS whitening has a unique formula that combines 5 actions to guarantee greater efficacy: Its low abrasivity index (RDA 48) also ensures the protection of tooth enamel. Effective whitening after 10 days of use.* *Dentist-controlled efficacy study