A fluoride-containing protective varnish for treatment of dentinal hypersensitivity, exposed cervicals, and sensitivity. The innovative formulation ensures immediate availability of fluoride that is safe and suitable for all ages. The unique ammonium fluoride formula allows the varnish to be completely homogeneous and maintain excellent flow and wetting properties. It even gains access to interproximal areas without difficulty. Thin, smooth, and colorless on teeth. Mint flavor.