In the marker of micro toxic mosquito products on the packaging, the general also marked "total effective ingredients", and this is most effective ingredients Prallethrin, chlorine fluorine ethofenprox, dimefluthrin"...... Almost all of it is a chrysanthemum ester compound. According to industry insiders, the principle of the human body is relatively safe, but the use of long time in confined space is still harmful to the human body.

　　At present in the sale of all kinds of mosquito coils containing pyrethroid ingredients, different brand content is not the same, there are 0.08% high, low 0.012%. On the outer packing of mosquito repellent incense are marked on the note: "do not let the child play, pregnant women with caution; do not use in closed condition, proper ventilation etc..

　　The size of the toxicity of mosquito repellent products and the use of space, but few products indicate the size of the space. Some major brands will be marked on the use of space for their products, the use of room size, generally in the 22 square meters to 30 square meters.

　　The infant room best physical mosquito repellent

　　Almost all brands of mosquito products are specifically for children or infants, but these products, pyrethroid compounds is still the main component, just below the relevant content of this brand of ordinary mosquito products.

　　Southwestern University agricultural pharmacy one teacher said, the impact of pyrethroid compound long-term respiratory system in a confined space used for children was weaker, he suggested that the best use of physical methods of children in the room, such as mosquito repellent, mosquito net. At the same time, he also said that the air conditioning room the best use of mosquito products, because the air conditioning room air circulation is not enough, easy to make the pyrethroid products concentration, long-term use of a certain harm to human body.