Avoid using cleansers, serums, and moisturizers that use oil-based formulas, as they tend to smear any residual makeup like mascara and liner around your eye area. If your skin type requires oil-based treatments, then make sure not to get too close to the lash line as lashes tend to trap residual oil. That being said, note that most eye makeup removers are oil-based. If you are a user, remember to wash your eyes and pat dry,making sure to clean up any remaining residue. Try Clinique Rinse-Off Foaming Cleanser, $19.50, a gentle cream-mousse that rinses away both makeup and sunscreen.