EET, N, N diethyl-m-toluamide, is a broad spectrum insect repellent developed by the U.S. Department of Agriculture in 1946. By testing DEET against a variety of biting insects, scientists have demonstrated the outstanding repellent properties of DEET under various climatic and environmental conditions. Morflex, Inc., a subsidiary of Reilly Industries, Inc., began producing the repellent in the 1960s at its Greensboro, North Carolina, plant. Morflex is now the world's largest producer of DEET.

DEET was registered with the Environmental Protection Agency (EPA) as an approved active ingredient in 1957. According to the EPA, more than 38 percent of the United States population  uses a DEET-based repellent every year.  You can check the EPA Web site for DEET information by clicking here.

Advantages of DEET
Applied to the skin, DEET offers hours of protection. More than 50 years of scientific research and billions of uses of DEET demonstrate that when label directions are followed, DEET can be used by people of any age and at any concentration without posing reasonable risks to people or the environment.  No other repellent product has been tested as rigorously as DEET for effective consumer use.

Pharmacology
DEET has undergone extensive toxicological and dermatological testing and studies have demonstrated its safety. DEET is not a primary skin irritant or skin sensitizer.

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