Can I still use the lipstick I used last year? How to tell if the lipstick has gone bad?

Can I still use the lipstick I used last year this year? In autumn and winter, the weather is dry and it’s time to buy a lipstick. So, can the lipstick left over from last year still be used this year?

Can I still use the lipstick I used last year?

Check to see if it has deteriorated. Generally, it does not exceed 12 months and there is no qualitative change, so you can continue to use it. You can wipe off the top layer and then apply it again. If you don't feel uncomfortable, it's fine. Or you can test it on the skin behind the ear first. If there is no adverse reaction, you can use it directly on the lips. But if there is obvious deterioration, it must not be used.

How long is the shelf life of lipstick?

Generally speaking, the shelf life of lipstick is three years, which should be clearly written on the cosmetics packaging when you purchase it. However, opening used lipsticks can easily breed bacteria, and the shelf life of lipsticks is actually reduced to one year.

What happens if you apply expired lipstick?

If you use expired lipstick, there may not be any adverse reactions, perhaps because it has just expired and has not deteriorated much. If the expiration date is serious, it may be harmful to the skin of the lips, causing allergies, redness and swelling. Also, when you eat, expired lipstick enters the intestines along with food and may cause stomach pain or diarrhea.

How to tell if lipstick has gone bad

If there is an odor, the color turns yellow (strange), it becomes soft, or it melts, it has gone bad. If there is no obvious change after opening and before use, you can test the skin behind the ear, because the skin behind the ear is thinner and more sensitive. If there is no adverse reaction in the test, you can use it directly on the lips. If there is no adverse reaction within 12 days, it means there is no deterioration problem and it can be used normally. If you are really worried that it will not work properly, the remaining tube is a lip balm, don't throw it away, you can apply it on your heels or the base of your hands, it has a particularly good moisturizing effect.