However, because cosmetics used for a period of time will breed bacteria, if they are not used for more than one year, it is best not to use them again.
But if you like lipstick very much, you can put it in a small bottle and steam it on the stove. After disinfection, it can be used continuously after cooling and solidification.
Extended data:
"We talk about beauty products and emphasize the significance of using them during the shelf life from the perspective of safety, effectiveness and comfort. Cosmetics that exceed the shelf life may harm the skin, mainly due to microbial contamination. " Yan, deputy director of the expert Committee of the All-China Federation of Industry and Commerce Beauty Cosmetics Chamber of Commerce, said.
In terms of efficacy, some bioactive components will be added to cosmetics. After long-term exposure to air, chemical changes may occur after high temperature, light and sun exposure, resulting in the volatilization of some by-products or effective components.
Qiu Ming, a beauty expert, said that the active ingredients and nutrients will gradually decrease during use, which will cause potential harm to the skin. From the comfort point of view, if the moisture and fit of the skin are changed, the efficacy of cosmetics will be greatly reduced or lost.
Lipstick is often wiped off with a wet tissue.
Qiu Ming suggested that powder puff should be washed frequently. When using lipstick and lipstick, you must first ensure that the skin of your lips is clean. Her experience is that after using lipstick for a period of time, wipe it with a wet paper towel and wipe the part exposed to the air. Lipstick beyond the shelf life is resolutely discarded.
The use of expired cosmetics may lead to problems such as acne, acne and skin diseases. Therefore, female friends must pay attention to the production date and expiration date when buying cosmetics. Don't hoard goods after buying cosmetics, and don't use sunscreen every other year.
References:
Public network-the harm of using expired cosmetics