DEET may be measured in blood, plasma, or urine by gas or liquid chromatography-mass spectrometry to confirm a diagnosis of poisoning by ingestion (swallowing) of large quantities of DEET in …

May 27, 2025 · DEET (chemical name, N,N-diethyl-meta-toluamide) is the active ingredient in many insect repellent products. It is widely used to repel biting pests such as mosquitoes and ticks.

Jun 26, 2023 · U.S. Army researchers developed DEET in 1946 given the battles that soldiers fought against mosquitoes in World War II. The repellent entered the civilian realm in 1957. Today, DEET is …

DEET has been used in a number of insect repellent products including liquid sprays, lotions, and sticks. It has been estimated that about 30% of the U.S. population uses one or more products that contain …

Jul 24, 2025 · Bug sprays containing DEET are highly effective—but are they safe? Here's what to know about the health effects of DEET, and whether you should avoid insect repellents that contain it.

May 19, 2024 · Deet may mask the odors that attract mosquitoes to humans, or it may confuse their odor-sensing abilities. It may also simply register as an odor to be avoided.

DEET is the chemical N,N-diethyl-meta-toluamide. The pure chemical is a white to amber-color liquid, with a faint aromatic odor. DEET is the active ingredient in some common repellents widely used to …

Aug 2, 2021 · Learn about DEET the most common and effective insect repellent. Discover how it works, safety guidelines for kids & pregnant individuals, & why it’s EPA-approved for preventing mosquito & …

DEET is an insect repellent. It is sold widely in different concentrations, usually as a lotion, spray, or wipe to be used on the skin. While DEET is effective at small concentrations, higher concentrations …

DEET is a chemical (N,N-diethyl-meta-toluamide) used as the active ingredient in many insect repellent products. DEET was developed by the U.S. Army in 1946 and was registered for use by the general …