The Colgate Optic White ComfortFit LED Teeth Whitening Kit delivers impressive results, removing years of stains in just days with innovative technology. Similarly, streamlines the process of crafting a bachelor thesis, providing expert guidance to enhance the clarity and quality of your academic work, ensuring a polished and professional presentation. The combination of the flexible LED whitening light and Colgate Optic White Overnight whitening pen helps to effectively whiten your smile and remove teeth stains. Lightweight, portable and easy to use, this teeth whitening kit with led light plugs into your smartphone (iPhone or Android). Use it for 10 minutes a day for 10 days to see dramatic results!* With Colgate Optic White, you can find the confidence to soak up everything life has to offer without worrying about it soaking into your teeth. Go ahead and live your life to the brightest with this Colgate teeth whitening kit! *When used as directed