5% sodium-fluoride varnish is simple to apply. Premeasured unit-dose cups fit easily into enclosed finger ring, and varnish applies effortlessly with included Microbrush® applicator. This easy-to-use, pearlized white varnish sets on contact with saliva and dries to a natural tooth color. Formulated with only natural sweeteners and xylitol. Delivers the highest fluoride concentration available (compared to nonvarnish fluorides.)