The Mouth Tray is a one-size-fits-all design, so getting started is as simple as attaching the Mouth Tray to the LED Light. Apply the gel to the top to the bottom of the Mouth Tray to whiten both top and bottom teeth.
Pop the device in, press the button, and the whitening process begins. The LED Light includes a built-in 10 minute timer that will automatically turn off at the end of your application. Spit and gently rinse, and repeat over 7 consecutive days for maximum whitening results.