I believe that girls have more than one lipstick. Some girls have many lipsticks in different colors and shades, so many people have a question, that is, how long is the shelf life of lipstick? Does lipstick have an expiration date? In fact, lipstick has a shelf life. How long is it? Let’s take a look!
What is the shelf life of lipstick?
The shelf life of unopened lipstick is three years. It is best to use it within one year after opening. When purchasing cosmetics, the shelf life is written on the packaging. However, opening used lipsticks can easily breed bacteria, and the shelf life of lipsticks has actually been reduced to one year. The main ingredients of lipstick include wax, oil and pigment. The basic ingredients are inseparable from petroleum jelly and wax, but now there are new formulas that do not contain wax.
Can I still use lip balm after it has expired?
Generally speaking, it is not recommended to use lip balm after it has expired, because some components of lip balm will change when exposed to the air for a long time, and some are not It is good for your health, so generally do not continue to use lipstick after it expires. Lipstick is often in contact with the air and our lips, and it is easy for bacteria to breed. Therefore, expired lip balm has more bacteria, and there may also be the possibility of ingredient deterioration. In addition, expired skin care products often have poor efficacy. , so it is not recommended to use expired lip balm due to various factors.
After certain chemical components in lipstick deteriorate, they will produce toxic substances that damage the lip mucosa. In severe cases, they can cause allergies, redness, swelling, and ulceration, and they can no longer moisturize or protect lips. The effect is gone. Lipstick often enters our stomachs along with the food when we eat. Deteriorated lipstick can no longer guarantee the safety of its ingredients, and may even produce toxic carcinogens. After eating, you may experience food poisoning symptoms such as abdominal pain and diarrhea.