Pay attention to the shelf life of lipstick during use. Lanolin and wax in lipstick have strong adsorbability, which often adsorb suspended substances such as dust, bacteria, viruses and some heavy metal ions in the air on the oral mucosa, which not only increases the chance of causing allergies, but also brings lipstick and harmful substances attached to it into the oral cavity when drinking water and eating, which is harmful to the health. ?
After the lipstick is opened, the shelf life is not three years. This is because the grease and wax contained in lipstick are easy to absorb impurities such as dust, and once opened, the shelf life is more easily affected.
Extended data:
Precautions for lipstick:
1, avoid wearing lipstick for a long time.
Make-up must be light but not strong, even if it is light makeup, don't wear lipstick for a long time. Although lipstick can make your lips look tender in a short time, long-term use will cause chapped, swollen and itchy lips.
2. Don't apply it directly to your lips.
People who often use lipstick will vaguely feel that their lips are not as soft and moist as they used to be. This is related to the growth of age and improper use of lipstick. Before using lipstick, it is best to apply a layer of colorless lip protection oil on your lips to fully moisturize your lips before using lipstick. This will not only make the lips shiny, but also reduce the bad stimulation of lipstick on the lips.
3. Drink water before meals and wipe off lipstick
After wearing thick lipstick, many women only pay attention to adding color to the faded lipstick after meals, but never think about wiping off the lipstick and drinking water before meals. Lipstick, after all, is a collection of chemicals, and it is not a problem to eat it occasionally, but it will do great harm to health if swallowed for a long time.
4. Pay attention to completely remove makeup before going to bed.
Women must be careful when removing makeup from lipstick. The skin of lips and eyes is very fragile and easily allergic to stimulation. In addition, lipstick, like eye shadow, belongs to the cosmetics with the most pigments. It must be cleaned with special makeup remover with strong cleaning power, otherwise it will cause the deposition of harmful substances such as lanolin, which will lead to the deepening of lip lines and the lightening of lip color.
5. Try to see if it is allergic after buying it.
Women with allergies should use lipstick with caution. When choosing a product with safety guarantee, you should try it on your lower lip for one day first, and then continue to use it after observing no adverse reactions. Don't change the brand that suits you. If you change it, make sure to try it for one day first. If allergic reaction occurs, stop using it immediately.
6. Pay attention to the content of heavy metals when buying.
Lipstick will be polluted to varying degrees in the process of production, sale and use. Therefore, even if the national regulations on heavy metal toxic substances such as lead and mercury in lipstick are limited, even if the content of harmful substances is small, it will accumulate and cause harm to the body after long-term use. Therefore, when buying lipstick, we must pay attention to choosing a formal and credible brand.
Lancome official website-Lipstick
People's Network-Long-term use of lipstick affects women's health