What is it: GO SMiLE Teeth Whitening Gel is a powerful whitening treatment that works while you brush. It comes in a tube, but this is not a toothpaste. The whitener is designed to give results in the most convenient way possible. Simply add Teeth Whitening Gel to your brush with your toothpaste and brush as usual to clean and whiten at the same time. Who is it for: Users of the GO SMiLE Sonic Blue Teeth Whitening System (not included) or for anyone who wants that whiter smile. No matter how busy your day is, GO SMiLE's Teeth Whitening Gel fits seamlessly into your life by adding it into your everyday routine. Now in a TSA-friendly size, you can take this tube when you travel, making sure your smile stays bright wherever you go. Why is it different: Teeth Whitening Gel contains peroxide to penetrate and remove stains for an improvement that everyone will notice. How do I use it: Use twice a day, morning and night, as part of your oral care routine. Start with a dry toothbrush. Put equal amounts of your fluoride toothpaste and Teeth Whitening Gel on the brush together, and brush for two minutes. From GO SMiLE.