Generally speaking, natural or synthetic pyrethrins are used as insecticidal components in the regular production of mosquito-repellent incense, which is relatively harmless to human body.
However, for some pregnant women, the elderly and children, because their physique is relatively sensitive to normal adults, it is recommended not to use mosquito-repellent incense too much to avoid adverse effects on the body.
Mosquito-repellent incense kills mosquitoes by smell. The longer the time, the higher the mosquito repellent components in the air, and the better the effect. Mosquito-repellent incense can kill indoor mosquitoes within 1-2 hours, and the mosquito killing time is also related to the size of the room. If the room is slightly larger than 30 square meters, the time will be extended, about 3-4 hours.
Electric mosquito incense Electric mosquito incense is a kind of mosquito killer that attracts mosquitoes through its simulated light source, smell and other environments after being plugged in, and then kills mosquitoes. Inserting 65438+ 0-2 hours before going to bed can kill indoor mosquitoes to some extent. Mosquito killer Mosquito killer is a spray insecticide, which can not only kill mosquitoes, but also have a certain effect on other flies and other insects. It is recommended to spray around the room or other places with more mosquitoes, which can effectively kill mosquitoes at home.
Electric mosquito swatter An electric mosquito swatter kills mosquitoes visible to the naked eye by electric shock. This method can kill mosquitoes directly and effectively, but it has little effect on mosquitoes hiding in corners.