Age of cosmetics / Cosmetics

There are various sort of cosmetic products in the world. And also, they must have the shelf date. Although, they have their own mark, it is difficult to understand if you do not know how to read it. What is more, even shop staff do not know the fact and just display them without checking them. In addition, the passed expiration date products is highly likely to cause skin troubles. To solve this problem, therefore, I designed a fluorescence ring. It will let you know each of the products' expiration date.