Neutrogena A alcohol shelf life How to check the shelf life of Neutrogena A alcohol

How long is the shelf life of Neutrogena Alcohol? Neutrogena Alcohol is known as an entry-level Alcohol product, so naturally many girls will choose to buy it. But do you know how long is the shelf life of Neutrogena A Alcohol? How to check the shelf life of Neutrogena A Alcohol? Let's find out together below.

Neutrogena A alcohol shelf life

The shelf life of unopened Neutrogena A alcohol is three years, but it is recommended that you use up Neutrogena A alcohol within one year after opening. This is because after opening, Neutrogena A alcohol will be affected by microorganisms and bacteria in the air, which will accelerate the oxidation of Neutrogena A alcohol and make the effective ingredients of Neutrogena A alcohol lose effectiveness faster, thus affecting the effectiveness of Neutrogena A alcohol.

How to check the shelf life of Neutrogena A alcohol

Neutrogena A alcohol usually has the production date and batch number marked on the bottom of the outer packaging box, but the reading method is different from that in China. Generally, the production batch number at the bottom of Neutrogena A-Alcohol starts with LOT, and the first, second and third digits after LOT are the production days, and the fourth digit represents the production year. For example, LOT0037L0034 means that the product was produced on the third day of 2017.

Can Neutrogena A alcohol still be used after it expires?

Neutrogena A alcohol cannot be used after it expires, because once Neutrogena A alcohol expires, the effective ingredients in it will lose their effectiveness and the texture will change. Not only will it not produce its original effect if used again, it may even cause allergic reactions such as redness and hotness on the skin. Therefore, for safety reasons, it is not recommended to use expired Neutrogena A alcohol on the face.

Does Neutrogena A alcohol turn yellow because it is expired?

Some girls reported that their Neutrogena A alcohol started to turn yellow less than a year after opening. Does this mean that the product has expired? Actually, not really. The reason why Neutrogena A alcohol turns yellow is because it contains many antioxidant ingredients. Once opened and exposed to air, it will begin to oxidize, causing the texture to turn yellow. So if Neutrogena A alcohol turns yellow, it does not necessarily mean it is expired.