Watery eyes are tears keeping draining from eyes and tears help keep the surface of the eye moist. Dry eyes, clogged tear ducts and conjunctivitis are all causes of watery eyes. If you have no these eye problems and symptoms, then you may consider the factors that cause eye keep watering are environmental irritants, such as chemicals, hot wind, bright light and cosmetics. Well, I guess your eyes keep watering is possible because of your eyeliner, eye shadow and mascara. These things may allergic. Your skin, especially your eyes are not suitable for brands of cosmetics that you are applying. The best thing to do is wash them with warm and clean water. And then drop some basic drops, next close your eyes to stay fit. If these solutions do not work, please call a doctor for help, oculist is much better, I think so. Keep easy, you'll be okay.