The shelf life of Lancome small black bottle is officially marked as 36 months, which is three years. However, this means that Lancome small black bottle can be kept unopened for three years. If it is an unopened Lancome small black bottle, the shelf life will be greatly shortened. Because at the moment of opening, some bacteria will enter the Lancome small black bottle. With the increase of use times, the bacteria and pollutants in Lancome small black bottle will only increase. Basically, the Lancome small black bottle will be used up in 4-6 months after opening the bottle. In order to avoid some allergic reactions caused by using expired Lancome small black bottles.

Precautions for preservation of Lancome small black bottle:

First of all, the small black bottle of Lancome should be placed in a cool and ventilated place, not in a damp and direct sunlight place. The temperature in such a place is high, and it is easy to deteriorate the Lancome small black bottle.

Secondly, make sure that the bottle cap is tightened after each use. If air is allowed in, it is easy to breed bacteria, but using Lancome small black bottle will do some harm to the skin.

Finally, the small black Lancome bottle used for opening can't be put in the refrigerator, because the package is not strict after opening, which is easy to produce odor. There may be other bacteria in the refrigerator, which will infect pink water and breed more bacteria. The storage place does not necessarily need low temperature, and it can be protected from light.