https://unpa.me/en-US/community/beautytip/7871225
This is also incorrect! Cosmetics must be stored and used according to their intended purpose and usage instructions to ensure they are most suitable for your skin and to properly utilize their shelf life. If you look at the back of a cosmetic product, you will see instructions to avoid direct sunlight and store it in a cool place, leading many of you to think, "Then wouldn't it be better to store it in the refrigerator?" However, this is actually the wrong method! Since refrigerators maintain temperatures much lower than room temperature, they can cause cosmetics, which are designed for room-temperature storage, to spoil much faster. Furthermore, cosmetics that have become too cold can irritate the skin, and depending on the ingredients, absorption rates may decrease. Don't forget the fact that the absorption rate of cosmetics is higher when the temperature is similar to your body temperature! :)
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