ProGuard Varnish is a 5% sodium fluoride varnish containing 50 mg of sodium fluoride per 1 ml (22.6 mg fluoride ion). It is clear, easy to apply and adheres well, even to wet surfaces. Individual, single dose packs which include an applicator brush, make it easy to treat patients without any spills or the use of additional devices. It is indicated for the treatment of hypersensitive teeth and for sealing the dentinal tubules on sensitive teeth.