The shelf life of unopened lipstick is three years, but because the lipstick paste contains some chemicals, it will contact with the air to accelerate its deterioration after opening, so the lipstick should be used within 12 to 18 months after opening. Check the shelf life and opening label on the package for details.
How long is the shelf life of lipstick
Lipstick and all other cosmetics, as a product of industrial production, have their own shelf life, generally speaking, the shelf life of lipstick will be displayed on its outer packaging, if you look carefully, you will find that the shelf life of different brands may be different, but most of them are 2-3 years.
It is worth noting that this shelf life refers to the unopened case, if the lipstick is opened, its shelf life is generally between one year and one and a half years, so once the lipstick starts to use, it is best to use up in about a year, more than 18 months, it is recommended not to continue to use.
Second, how to look at the shelf life of lipstick
1. Look at the packaging
The general lipstick packaging will have the production lot number and use date, which is the shelf life of unopened lipstick.
2. Look at the bottom of the shell
On the bottom of the lipstick package or shell, you will always see a sign like the one below, which represents the shelf life of the lipstick after opening. The letter "M" inside the circle stands for "month," and the number in front of it stands for months.
For example, this Chanel COCO lipstick, marked "18M" at the bottom, means to be used within 18 months of opening.