PREPARED DEMO CONTENTWith the blue LED light switched on, keep the mouthpiece with the gel in your mouth for 15 minutes – it will automatically switch off after 15 minutes. The blue light reacts with the whitening gel.If you want to make your teeth less sensitive, switch to the blue/red LED light for another 10 minutes. This step is optional.The wireless light gives you the choice of either relaxing or carrying on with your normal routine. Repeat once a day for 6 consecutive days.As you enjoy life, you bright smile may fade. You can decide how often to conduct the 6 sessions, but the suggestion is to repeat the six sessions once every 4 to 6 weeks.