Brighten your smile with the Touch Up Whiten 10. It forms a layer over stains and discolorations for the appearance of naturally white teeth. This teeth whitener was developed by a dentist and works in just 10 seconds. It can also be used on artificial teeth such as dentures, crowns, caps, veneers, fillings and metal bridgework. The formula is easy to apply, lasts all day and is safe to use.