The new proclearz anti-fungal pen is formulated with 1% tolnaftate the maximum strength allowed without a prescription, it kills the fungus that affects healthy nails. The convenient pen shaped dispenser has a superfine tip to reach the fungal infection on skin areas, around, adjacent to and under nails. The pen"s precision application provides treatment to the problem area only. It is mess free, no dripping or spilling like from a bottle.