How to treat the production date and shelf life of Kao Eye Mask?

The production date and shelf life of Kao Eye Mask can be found on the box and at the bottom of the product.

The coding rule of product batch number is uncertain. The following are common reference information:

The last digit of the 1. batch number usually indicates the year. For example, 2673 indicates that the production year of the product is 20 13.

2. The last 2-4 digits in the batch number usually indicate the production date, such as 2673, which indicates that the production date of the product is the 267th day of 20 13.

3. Other numbers in the batch number usually indicate the production line number, such as E0433222, where E indicates Osaka production, 04 indicates No.4 production line, and 33222 indicates the assembly line number.

It is suggested that when buying Kao eye mask, try to choose products close to the production date, and pay attention to check whether the packaging is complete, whether there is odor, whether the texture is uniform, etc. So as to ensure the product quality.