Apply Darkside Waterproof Gel Liner directly along the upper and lower lash lines or in the waterline as desired. Use this essential black eyeliner pencil to create a range of eye makeup techniques, including tightlining, winged eyeliner looks, cat eye makeup and a smokey eye. Whichever eyeliner look you create, continue application until your desired level of intensity is achieved. Pro Tips: Apply eyeliner as an eyeshadow base to create a more intense eyeshadow effect and add a transformative element to your eye look. Use Darkside Waterproof Gel Liner to create detailed line work for character makeup.