The extravagant demon is out of date and can't be used. There are two kinds of shelf life of cosmetics, one is marked, which is the date calculated by cosmetics researchers. However, there is still a date, that is, cosmetics can be used even after the shelf life, and the general time is 150 days after opening, but it is necessary to analyze the specific problems. If the skin is sensitive, it is best not to use it on the face.