Incognito began as a compnay after one of the founders contracted malaria then dengue within a year of each other while using Deet and taking anti-malarial medication. Incognito is a natural insect repellent that doesn't harm the wearer or the environment. Incognito to make you invisible to mosquitoes. In clinical tests, Incognito is 100% effective against Aedes aegypti mosquitoes. Incognito spray uses the strongest form of PMD, botanical PMD.