The main components of mosquito-repellent incense are a small amount of insecticidal pesticides, including organophosphorus, carbamate and pyrethroid. Among them, organophosphorus is the most toxic and pyrethroid is the weakest. The active ingredient of most mosquito-repellent incense is pyrethroid insecticides. More than 90% of mosquito-repellent incense in the market contains pyrethroid insecticides, which are low-toxicity and high-efficiency pesticides allowed by the state and have a prescribed proportion in mosquito-repellent incense.
Traditional mosquito-repellent incense smoke contains fine particles, polycyclic aromatic hydrocarbons, carbonyl compounds and benzene. Although it may be dangerous to human body, it is basically harmless to use it reasonably because of its low content. It should be noted that the smoke of mosquito-repellent incense may cause allergic reactions and induce asthma attacks. Those with such diseases should use it with caution.
Mosquito-killing principle: mosquito-repellent incense is ignited or heated to release insecticidal drugs to achieve mosquito-repellent effect. Traditional mosquito-repellent incense is divided into thread incense and coil incense, and later liquid and solid electric mosquito-repellent incense appeared. The effective components and mosquito repellent principles of all kinds of mosquito-repellent incense are similar.
Extended data:
If excessive mosquito-repellent incense is placed in a closed room, it may cause poisoning symptoms such as dizziness, headache, nausea, blurred vision and difficulty breathing. It is suggested to put a plate of mosquito-repellent incense in the room of 15 square meter.
For the sake of safety, it is best not to put the lit mosquito-repellent incense near the head to reduce the inhalation of smoke. Evening and before dark are good times to use mosquito-repellent incense. Close the doors and windows when using, and open the windows for ventilation after people and pets leave.
People's Daily Online-Experts dispel doubts: Is mosquito-repellent incense harmful to health?