Curanail 5 nail lacquer 3ml r now containing filesr r what is curanail 5 nail lacquer r r curanail contains the active ingredient amorolfine which is an antifungal previously only available on prescription curanail kills a wide range of different fungi that can cause nail infections curanail actually attacks the infectionr in addition curanail comes in the form of a nail lacquer like a nail varnish which only needs to be applied once a week this combination of effectiveness an