Skip eyeliner and really work the mascara wand into the roots of your lashes to make them appear fuller. If you must wear eyeliner, keep the line thin and stick to softer colors like brown or gray. Alternatively, try lining the inner rims of your eyes with a cake eyeliner like Laura Mercier Eye Liner, $22.To do this, lift up your eyelid gently and push the eyeliner into the rim of your lids with a flat brush -- or check out this tutorial on how to master the art of tightlining.