Oral-B Toothbrush Cross Action Ultra Thin Charcoal Pack 3's Product Details Oral-B Toothbrush Cross Action Ultra Thin Charcoal with crossed bristles deep cleaning and helps whiten teeth by removing stains on the tooth surface. Crossed bristles effectively remove plaque and bacteria. 0.01 mm bristles have a bristle tip that is 20 times thinner to reach deep.The bristles are mixed with charcoal extracts. Power tip bristles make it easy to reach hard-to-reach places. The tongue brush helps to stop bad breath from bacteria on the tongue. Brushing 2 times a day. with crossed bristles deep cleaning and helps whiten teeth by removing stains on the tooth surface. Place of Origin China Directions Brushing 2 times a day