As we all know, the shelf life of Zhou lipstick is generally three years. Of course, this is an unopened advertisement, but the shelf life of different brands will be different, so MM must look at the shelf life marked on lipstick when buying lipstick. Lipstick is often too beautiful and the color number is too attractive, so we often buy a lot on impulse, and any cosmetics have a shelf life. The shelf life of unopened lipstick is five years in the international standard and three years in China.
Use as soon as possible after opening the package. If you find that lipstick smells in summer, don't use it again. The shelf life of lipstick is generally about three years. Usually when you buy lipstick, you can see the shelf life of lipstick on the package, and this shelf life often means how long lipstick can be kept unopened. The shelf life of unopened lipstick is three years. However, because lipstick paste contains some chemicals, it will contact with air to accelerate its deterioration after opening, so the lipstick after opening should be used within 12~ 18 months as far as possible.
The shelf life of lipstick should start with the ingredients. Generally, lipsticks are made of grease and beeswax, which can give our lipsticks a guarantee that they will not deteriorate for many years. But this does not mean that lipstick is safe no matter how many years it is used. The shelf life of lipstick is generally about three years, but it will be different according to different brands. And the general shelf life refers to the unopened lipstick. The shelf life of unsealed lipstick depends on the logo on the packaging box. .