In Japan, a major category of product are "hard minty eye drops," which you put in your eyes to both refresh yourself and wake yourself up, as well as wetting the eyes. This is the famous eye drops known as "FX" by Santen, and they will wake you up indeed. This is a really cool item that's a huge hit at J-List, known and loved by many who want to experience the thrill of Japanese minty eye drops!