Single dose, no-mix, translucent 5% sodium fluoride varnish that provides mess-free sensitivity relief for patients of all ages. Packaged in a convenient, all-in-one system, the Varnish Pen replaces sticky foil packets, varnish pools and brush sticks. No aspartame, saccharin or gluten. Does contain xylitol. Single dose applicator is shaped for easy opening and handling.