Mosquito repellents are widely used in India for protection from mosquito bites and preventing diseases like malaria and dengue. While vaporisers are very common now mosquito repellent creams coils and mats have been used for a long time. While they might seem harmless many studies have pointed out the side effects of using these different types of mosquito repellents. Most of these repellents contain allethrin a pyrethroid which is a synthetic version of a natural insecticide derived from chrysanthemum flowers. When mats coils and liquids are heated allethrin is vaporised without breaking down into different compounds and produces a repelling