4hw.com.cn: summer is coming, and mosquitoes are coming again. When you want to repel mosquitoes, you find that the mosquito repellent liquid you bought last year hasn't been used up. How long is the shelf life of the mosquito repellent liquid? Can the mosquito repellent liquid you bought last year still be used? Will it do harm to your health?
How long is the shelf life of mosquito repellent liquid
The shelf life of mosquito repellent liquid is generally about 2 years. Therefore, if the mosquito repellent liquid is not used up this year, it can be used next year after being sealed. Generally, the production date and shelf life will also be written on the mosquito repellent liquid, so pay attention to its shelf life.
Can mosquito repellent liquid be used after its shelf life
It is better not to use the mosquito repellent after the shelf life. Although the mosquito repellent liquid that has passed the shelf life will have certain effect, its mosquito repellent effect will be greatly reduced, and it can't play a very good temperature effect. It's better to buy a new bottle of mosquito repellent liquid. Generally, the price of mosquito repellent liquid is between 20-30 yuan. A bottle of mosquito repellent incense can be used for more than a month.
Summer has come, the mosquito repellent liquid bought last year has not been used up, how long is the shelf life of mosquito repellent liquid? Can the mosquito repellent liquid bought back be used after one year? Will it be harmful to the body if it is used?
What will happen if we use the mosquito repellent after the expiration date
After the shelf life of the mosquito repellent liquid use will not have any impact. However, the chemical composition in the mosquito repellent liquid that has passed the shelf life will be reduced, and the mosquito repellent effect will be greatly reduced. Because the mosquito repellent effect has declined a lot, so the mosquito repellent liquid also has a shelf life, and the effect is not good after the shelf life.
Mosquito repellent principle of mosquito repellent liquid
Basically, the most effective ingredient of many mosquito killing products is pyrethroid, which is a highly effective and low toxic pesticide, as well as the ingredient of mosquito repellent liquid. Pyrethroids are the main components of mosquito control products, which can effectively kill mosquitoes and flies. The main components of natural pyrethroids are pyrethroids. The chemical synthetic pyrethroids are called pyrethroids. There are many kinds of pyrethroids, including permethrin, pyrethroids, Cypermethrin, deltamethrin, right-handed trans allethrin and so on. All of these components belong to the pesticides recommended by the World Health Organization for the prevention and control of health pests and their vectors.