If you’re showing off your pearly whites with a transparent face mask, now may be the time to brighten them up with the Colgate Optic White advanced LED teeth whitening kit. And you can start right now because this totally mess-free kit works in just 10 days. Use it for 10 minutes a day over a 10-day period, and this tooth whitener can make your teeth six shades whiter. Simply try on the device to make sure it fits, and then charge it up before your first use. You’ll get whitening serum for the whole treatment—spread a vial each day on the top and bottom row of the LED whitener. Once you’ve spread the serum, just press the button to turn the device on and then place it in your mouth. Colgate Optic White is so easy that you’ll wonder why you didn’t start sooner!