If you want to define your eyes to perfection, then the Swiss Beauty Pro Super Black 18 Hours Stay Eyeliner pen is the one for you. It has a quick dry, long lasting, smudge less formula that just does not smear. This eyeliner will highlight the beautiful shape your eyes. It comes with easy to apply applicator which is in a pen type design, making it simple for to define contours of your eyes, to give you the desired look in one stroke.