'''N,N-Diethyl-meta-toluamide, also called diethyltoluamide or DEET''' (, from DET, the initials of di- + ethyl + toluamide), is the oldest, one of the most effective, and most common active ingredients in commercial insect repellents. It is a colorless to slightly yellow oil intended to be applied to the skin or to clothing and provides protection against mosquitoes, biting flies, ticks, fleas, chiggers, and leeches.
via PubMed
'''N,N-Diethyl-meta-toluamide, also called diethyltoluamide or DEET' (, from DET, the initials of di- + ethyl + toluamide), is the oldest, one of the most effective, and most common active ingredients in commercial insect repellents. It is a colorless to slightly yellow oil intended to be applied to the skin or to clothing and provides protection against mosquitoes, biting flies, ticks, fleas, chiggers, and leeches.
==Effectiveness== DEET is effective against a variety of invertebrates, including ticks, flies, mosquitos, and some parasitic worms.
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