The active ingredient in any mosquito repeller (whether it is mats, coils or solution) is d-trans allethrin or allethrin a.i (house hold insecticide). In the case of mats, apart from the main ingredient, the following are present – stabilizer (piperonyl butoxide), dye (blue), perfume, solvents (isopropyl myristate, butyl stearate) plus an inert ingredient like paper.
Although mats and other repellants are not directly harmful to humans, symptoms of poisoning such as nervousness and anxiety may be experienced because of its active ingredients. Anyhow, on the basis of observations made from the use, experience and studies, no such symptoms have been acknowledged.
If ingested, vomiting should be induced with care to prevent aspiration. If skin is contaminated, wash immediately with soap and water. If eyes are affected, wash them immediately with copious amounts of water. There is specific antidote for the chemical compound.
