Blog 2017-08-14 19:43:42 aogrand 2279Fighting with mosquitoes has become the compulsory course of Midsummer - burn mosquito coil incense, besmear toilet water, besmear essential balm... But how effective are they? Repellent incense containing DEET ingredients that are most effective. Researcher Mark Frey butyl from North Carolina published an article in New England in the medical journal in 2000. according to the article, with the mosquito repellent DEET, even a small amount of also can protect the body from mosquitoes attack up to 5 hours. When choosing a mosquito product, it should be checked whether its active ingredient is DEET or similar. Compared with the formal products, the inferior mosquito repellent incense contains DDT, rather than the low-toxic and efficient pyrethrum. So when you buy mosquito-repellent incense, you should look closely at the active ingredients. If the structure is loose, immediately puts out after ignition, or the conscious odor is not right, the body is uncomfortable, you should replace the mosquito coils timely. It should be noted that no matter the dish - mosquito coil incense or electric mosquito-repellent incense, it is applicable to rooms below 15 square meters. If the room is too big, the concentration of insecticide and the effect will be reduced. Toilet water′s time for protection is not long. Flower dew oil is used as the main spice and is made of alcohol. It can repel mosquitoes. It is a characteristic that female mosquitoes to avoid the smell of flowers. But it is volatile on the skin, so the protection time is not long. It is recommended to apply every four hours. The effect of essential oil is also limited. Anti-mosquito silicone wristband. Mosquito repellent bracelet is popular in the drive midge products on the market this year, such as mosquito repellent cream, anti-mosquito bracelet and so on, are all marked the banner of pure natural plant citronella, while the actual effect is not good, protect for only 30 minutes. The effective methods of mosquito control in the home is also mosquito - repellent incense and potion. And Arrow is your trusty mosquito coil manufacturer. Mobile phone repellent is a "technology" joke. Recently, the free download of the "mosquito-repellent master" has aroused a heated discussion among netizens. The software claims that the male mosquitoes live on nectar and plant juice, not sucking blood, while females need to drain nutrients from the human and animal blood to lay eggs and avoid males when they lay eggs. The mosquito software can use the phone′s speaker to send out a sound that simulates the vibration of the male′s wings while flying, to scare away the female mosquitoes, to achieve the mosquito repellent effect. Medical researchers have done a lot of experiments on sound wave repellent, and it has been installed on the hanging pieces and is embedded in the watch, but the effect is not satisfactory. The sound wave does have a certain mosquito repellent effect, but the mobile software developer only developed it for a local mosquito. As to whether there is any harm to the human body, director Xu believes that "short-term use has little impact, but it is not recommended because the long-term use is still under test."
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