Moulds to your mouth for uniform whitening Powered by your smartphone works with iPhone and Android Comes with USB-C to iPhone Adaptor Nothing but smiles ahead! Our hydrogen peroxide serum works with the LED whitening device to give you dramatic whitening results in just 10 minutes a day (10 minutes a day for 10 days. Use as directed. Individual results may vary). The enamel safe formula is designed for no tooth sensitivity (if tooth sensitivity does occur, contact your dental professional for advice), and the lightweight, flexible LED device moulds to your mouth, so you don't have to sacrifice comfort when it comes to whitening your teeth!