The translucent, low viscosity protective fluoride varnish provides protection against dental caries, erosion and hypersensitivity. 1.5% ammonium fluoride (corresponds to 7700 ppm fluoride) in a homogeneous solution ensures immediate availability of the fluoride. Optimum flow and wetting properties. Mild flavour, mild smell. Generally, Fluor Protector S is applied at six-month intervals, but shorter intervals may be indicated.