I can't use it anymore. Many lipsticks contain a certain amount of toxic substances such as lead and mercury. After expiration, the composition will change. If you use it for a long time, you will eat a lot invisibly, which is not good for your health.

Shelf life

1, the shelf life of lipstick is generally about three years, but it will be different according to different brands.

2, lipstick after opening, contact with oxygen and the environment, the shelf life will be shortened. Generally speaking, there is no problem with unopened lipstick within three years, but it may be shortened to two years after opening. Some lipsticks look nothing on the surface, but the "inside" has deteriorated, so don't use them any more.

Extended data

Shelf life of cosmetics

Compared with other similar products, some cosmetics have shorter service life and all contain moisture, such as lotion, liquid foundation, mascara, shampoo and so on. Pay special attention to makeup such as mascara and eye makeup remover. These products can only be used for 6 months after opening (face makeup remover can be used for about 12 months).

Foundation can be used for one year after opening, and powder cake and lipstick can be used for more than 18 months. If stored in a cool and dark place, the shelf life of perfume is generally more than two years. The problem with nail polish is that it will evaporate after opening, and once it evaporates, it is difficult to use. Practitioners suggest that cosmetics should be stopped immediately as long as there are differences, such as discoloration and taste change.

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