How long can liquid foundation be used? How to check whether liquid foundation has expired?

Liquid foundation usually contains about 30 ml, which is the normal content of a full-size bottle. So how long can this bottle last? Sometimes, the outer packaging of liquid foundation is lost, and you don’t know how to check the date. How can you judge whether it has expired based on the texture?

It depends on the actual situation. If you observe carefully in life, you will find that the full-size liquid foundation is usually 30ml per bottle. How long it can be used depends mainly on the daily usage. For people who often wear makeup, it can be used for about 1-3 months depending on the thickness of the base makeup. For people who do not wear makeup often, the liquid foundation can be used for a longer time after opening, generally about 6-12 months, sometimes even longer. Therefore, how long the liquid foundation can be used depends on your actual situation, but be careful not to use expired liquid foundation.

1. Smell: Generally, liquid foundation has its own smell, but it will not smell sour or other bad smells. If the liquid foundation smells sour or other strange smells, and it didn’t have that smell before, then the liquid foundation is most likely spoiled.

2. Look at the texture: To determine whether the liquid foundation has deteriorated, you can observe the texture of the liquid foundation. Generally, the texture of the liquid foundation that has not expired is a moist liquid, and will not clump or clump. If the liquid foundation has this problem, it is mostly caused by deterioration.

3. Look at the color: The liquid foundation that has not expired will be skin-colored according to its color number, but the expired liquid foundation will appear black or other colors due to the breeding of bacteria and microorganisms.

It is recommended not to use expired liquid foundation. Continuing to use may cause skin allergies. Liquid foundation is a common cosmetic, often used on the face. Liquid foundation needs to be used up as soon as possible within its validity period. It is recommended not to stock up cosmetics at home to avoid unused liquid foundation. Expired liquid foundation will breed some bacteria, causing the liquid foundation to deteriorate and water and oil to separate. If you use it at this time, it is easy to cause skin allergies. If your skin is sensitive, the possibility of allergies will be higher.

1-2 years. Liquid foundation is a kind of cosmetics, and its ingredients are relatively complex. Generally, the shelf life of liquid foundation is 2 years, but some liquid foundations are only one year. In short, the shelf life is relatively short. When using liquid foundation in daily life, it needs to be used up as soon as possible. If the liquid foundation is opened for too long, it is easy to deteriorate. It is best to use up the opened liquid foundation within half a year.