Mosquitoes are one of the reasons for hating summer! After nightfall, this miniature bomber will not stop for a moment-circling around, waiting for a chance to hunt for blood. Fighting mosquitoes has become a daily compulsory course-slap, light mosquito-repellent incense, apply toilet water or prevent mosquito bites and repellent mosquito bites… but how effective are they? Poisonous mosquito-repellent incense? [A plate of mosquito-repellent incense releases the same harmful substances as 100 cigarettes, mosquito-repellent incense can cause leukemia, mosquito-repellent incense contains DDT…] As long as you surf the Internet, you can always find such news. Is this really the case? Most mosquito-repellent incense on the market, Its active ingredient is (pseudo) pyrethroid insecticide. As early as the 16th century, Persians discovered Read More …