Oral-B Toothbrush Crisscross Ultrathin 3's Product Details Oral-B Crisscross Ultrathin Toothbrush 1.Extra Soft CrissCross® bristles are angled in opposing directions to lift out and sweep away plaque. 2.0.01mm Ultrathin bristle tips designed for gentle gum line cleaning. 3. Ultrathin bristles reach up to 2x deeper between teethvs regular, flat trim bristles. Based on laboratory testing. Most used by dentists based on surveys of a representative worldwide sample of dentists usage carried out for P&G continuously. Dentists recommend changing your brush every 3 months. Clinical research proves that a new toothbrush can remove up to 30% more plaque than one 3 months old++Research with a flat trim toothbrush Place of Origin India Directions Brush your teeth at least twice a day. Replace brush every 3 months. Clinical research proves that a new toothbrush can remove up to 30% more plaque than one 3 months old+ +Research with a flat trim toothbrush. Ingredients PBT,PP,TPE