Enjoy a brighter, whiter smile with the White Light fast teeth whitening system.Using light activated chemical technology, the clinically tested.White Light system offers results in as little as 10 minutes.White Light targets and removes tough stains,and provides long lasting results. Fast and easy to use, it can be used conveniently at home.The powerful and safe whitening gel contains peroxide – the same enamel-safe ingredient used by dentists. How to use the White Light system Using White Light is easy. Simply brush your teeth, then apply whitening gel to the dental tray. Place the tray against your teeth, then position the light transmitter into your mouth. Switch on and use for 10 minutes. The light transmitter will switch off after 10 minutes, indicating that the session is complete. For additional whitening, simply press the button again for another 10 minute cycle. You may repeat the cycle up to 3 times for a total of 30 minutes per session to maximise results. Repeat sessions daily for best results.