Generally speaking, the shelf life of eye cosmetics is more limited than other products. Due to repeated contact with microorganisms during use, and the fragile skin of the eyes, the eyes are easily infected if you are not careful. The unopened shelf life of cosmetics is generally three years. If it is opened, it will only be three months. Therefore, ladies and sisters who love beauty, since they are buying cosmetics, show how strong your awareness of maintenance is, which is commendable.
Cosmetics after opening are generally used up within 12 months, and some are used up within half a year. It depends on a sign on the back of the bottle, which says 6m, 12m, 24m, representing how many months the bottle has been opened. The 12M circled in the figure indicates that it will be used up within 12 months after opening the bottle, which is probably the shelf life of general skin care products and foundation. Lipstick products range from 1-3 years, and eye shadow products have a long shelf life, but it is best not to exceed three years. If it is too long, bacteria can easily breed.
Makeup usually lasts for 3-5 years. Japan and South Korea Shiseido, Snow Show, Hou, etc. Usually within five years. It is recommended to use it in June-August after opening, but don't worry. I've been exposed to a lot, and it doesn't matter if it expires. The date doesn't matter, mainly because it won't go bad, just like the food I eat. "If acne spot cosmetics are left for a long time and expire for a long time, it is easy to breed bacteria. After use, bacteria can easily enter human pores, leading to acne.