This product is Rohto Cool 40α, a Japanese eye drop medication designed to relieve tired and hazy eyes. It contains four essential nourishing ingredients: Vitamin E, Vitamin B6, Sodium Chondroitin Sulfate, and Potassium L-Aspartate. The drops are classified as a Class 3 pharmaceutical product in Japan and provide a vivid, cooling sensation upon application.
Recommended usage is typically 2 to 3 drops at a time, up to 5 to 6 times a day.
