1, first of all, you can check the production date and shelf life on the box of plift lip essence.
Secondly, if the lipstick is well packaged and unopened, the shelf life can generally reach three years.
3. The lipstick finally opened has been exposed to a large number of bacteria in the air, so the shelf life is greatly shortened to one year. If it is an expired lipstick, it will have an unpleasant smell, not a fragrance.