Many cosmetic packaging boxes always have this logo at the bottom. What does this mean? For example, there is one at the bottom. exactly

3m, 24m, 12m, etc. It is a symbol of the service life of cosmetics. ? M is the month, and the number in front indicates the use time after opening the cover.

The icon of the small jar is marked with the words "6M" and "12M", indicating that 6 months or 12 months after opening is the best time for you to use this product.

Generally speaking, it is divided into 3M to 24M, 3M means it is best to use it within 3 months after opening, and 24M means it is best to use it within 2 years after opening.

After this period, the product has passed the best service life.

Generally, the ingredients are different, and the shelf life after opening is also different. The products without preservatives and spices have a shorter shelf life.

Extended data:

Other marks on cosmetics:

1. Use the sign as soon as possible.

If you see an hourglass sign with a date on it, it means that the product should be used up within this date as soon as possible.

2. Stay away from fire sources, heat sources or exposure signs.

Logo is the shape of a flame, which means it should be placed away from the fire source, but it also means it needs to be placed away from high temperature, or even better, to avoid sunlight. Perfume, nail polish, mousse products, etc. This sign usually appears on the package.

3, finger book logo

Classic big-name cosmetics, the packaging is not sloppy at all. For example, all products of Dior, Guerlain, biotherm and other brands will have this "finger book" logo on their packaging. The composition and effect of reminders are not so random, and some of them are accompanied by special usage methods. Please read the instructions carefully before use.