The new scholl 2 in 1 corn express pen is unique highly effective and fast acting way to treat corns it is reusable and will treat multiple corns scholl 2 in 1 corn express pen is suitable for hard corns on the top of the toes and on the balls of your feet and for soft corns between the toes not recommended for use if corns bleed or hurts excessively seek medical advice if required corns are amongst the most common problems to affect the feet corns are a thickening of the skin in