Does MySmile LP211 water flosser support child clean modes? Yes Can I use essential oils in the MySmile Water Flosser? No, essential oils should not be used in the MySmile Water Flosser, as they can damage the device. Stick to water or MySmile brand specialized mouthwash. How often to replace tip & bottom cover？ It is recommended to change the tip & bottom cover once three months, you can purchase them that matches the LP211 model in MySmile stores. How do you charge the unit? And how to get a replacement charger? The package includes a type-C USB charging cord, which can be connected to power bank or computer to charge the machine. Please message us to get a free replacement or buy any other-brand type C charging cable if the original is lost. Can you use mouthwash in this device? It is recommended to use only MySmile brand specialized mouthwash designed for water flossers. Using other types of mouthwash may damage the device or affect its performance. TU SONRISA ES LO QUE MISMILE LUCHA POR Ubicada en California, MySmile se ha dedicado a diferentes tipos de productos para blanquear los dientes y productos para el cuidado bucal durante más de 10 años. Como uno de los fabricantes profesionales, nos centramos en proporcionar algo más que productos de alta calidad, la mejor comunicación con el cliente es también a la que nos dedicamos continuamente.