We use sunscreen all year round, so how long does the shelf life of sunscreen last after opening?The shelf life of an unopened sunscreen is 1 to 3 years, and if it’s opened, it’s best to use it up within a year, as contact with the air and improper storage can cause the sunscreen to lose its effectiveness and lead to skin irritation. Many people think that only summer need sunscreen, but it is not. The sun is a year-round thing, whether it’s sunny or rainy, ultraviolet rays will not disappear, to reduce the aggression of ultraviolet rays on our skin, you have to use sunscreen. But many people do not know the shelf life of sunscreen and the period of use. The company’s main goal is to provide the best possible service to its customers.
Some are labeled “6M” or “12M”, which means the product should be used within 6 or 12 months. This is the recommended period of use for sunscreen that has been opened, if the sunscreen is unopened it can be stored for 1 to 3 years. The reason why sunscreen is able to protect against the sun is because it adds titanium dioxide and zinc oxide, these two ingredients are relatively stable and will not cause the product to deteriorate because of the length of use. The company’s main goal is to provide the best possible service to its customers.
Some people don’t pay attention to the storage environment when storing sunscreen, and put it directly under the heat, which can also lead to shorter use of the sunscreen and more likely to lead to sunscreen deterioration. So sunscreen must be kept in a cool, dry environment. The sunscreen will also breed some bacteria after it has been opened for a long time in contact with the air and the influence of high temperature. The company’s main goal is to provide the best possible service to its customers.
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