Get an instant smile refresh with this powerful, portable whitening pen. GLO Science's formulated their hydrogen peroxide whitening gel to effectively whiten even sensitive teeth without pain. This clean formula is gluten-free, cruelty-free, and vegan so that you can smile without compromise. Each swipe gently whitens teeth and freshens breath for a quick smile pick-up anytime you need it, and the antimicrobial tip keeps your pen fresh & clean for the next application. Just swipe, GLO, and go!