We can carefully check the labels or instructions on the product packaging, which will generally clearly indicate the shelf life. Usually, the date after the shelf life is marked with words or graphics to remind consumers to use it before that date.
You can also pay attention to other information on the product packaging, such as production date or batch number. Through this information, we can roughly judge the shelf life according to the service life and recommended service time of the product. It is worth mentioning that in the case that the specific shelf life cannot be found, if you have used it for a period of time and there is no uncomfortable reaction, you can continue to use it until it has an odor or deterioration.
We need to pay attention to the change of shelf life of facial cleanser under some special circumstances. For example, facial cleanser can generally keep its freshness for a long time in the unopened state, but once opened, it may be affected by environmental pollution and oxidation, shortening the shelf life. Therefore, in the process of use, we should try to avoid direct exposure to the sun or contact with the air for too long.
Because each brand and product of facial cleanser have different ingredients and textures, it is best to refer to official channels or consult professionals for the specific shelf life of Fusilifang facial cleanser. They will give more accurate suggestions according to the formula and characteristics of the products.
Correctly judging the shelf life of Fusilifang facial cleanser can be judged by reading the labels and instructions on the product packaging, paying attention to the preservation method of the product after opening, and observing whether there are signs of odor or deterioration during use. If you have any questions or uncertainties, you'd better consult a professional. I hope the above answers are helpful to you!