KnowraDEETLinked fromLinked fromThe 2 pages that link to DEET, each with the reason it gives.All 2Broader topic 2Insect repellentsBroader topic: It is the best-known topical repellent and has more than one proposed sensory mechanism.DiethylamineBroader topic: Diethylamine is a feedstock in the manufacture of this repellent.