: 1, whether the lipstick has expired: it is the most direct to distinguish from the taste. Expired lipstick will smell like expired cooking oil, a bit like soap. In terms of personality, there will be exaggerated stripes after lipstick is put on.
2. The shelf life of general cosmetics is between 2 and 3 years, and lipstick is no exception. If it is lipstick, the shelf life of makeup belongs to the shelf life of storage, and it usually has a shelf life of about one year after opening.
Therefore, pay attention to the production date or shelf life in the logo when purchasing, and try to buy the products produced that year. ?
3. The main components of lipstick are wax, oil and pigment, which are basically inseparable from vaseline and wax, but now there is a new formula without wax. Antioxidants such as vitamins A and E, as well as spf sunscreen function, are the selling points of popular lipsticks.