| Numfast provides a profound numbing effect for superficially painful conditions, lasts for up to 45 minutes. Apply Numfast to thin skin for 12 - 15 minutes, thickskin 50 - 60 minutes, it ma y occlude on body. Do not use occlusive dressing over eyelid. NumFast stays put and doesn't run. pH 7.8 - 8.0 |