![]() ![]() ![]() Products with 10% to 35% DEET will provide adequate protection under most conditions. The number of variables that affect a repellent's effectiveness precludes assigning an "insect repellent factor" to individual products.įor casual use, a high concentration of DEET is not needed. ![]() Unfortunately, no guidelines are available to help consumers decide what concentration of DEET is appropriate for their specific needs. If lower-strength formulations of extended-release DEET are desired, Minnetonka Brands (Eden Prairie, Minnesota) offers products containing 6.5% and 10% DEET.Īs a general rule, higher concentrations of DEET provide longer-lasting protection. This product is available to the general public exclusively through the Amway Corporation (New York, New York) under the brand name HourGuard. Paul, Minnesota) developed a slow-release, polymer-based product containing 35% DEET this has become the repellent provided to all U.S. Army-sponsored studies to produce new formulations. Complaints about the aesthetic feel of this product and concerns about potential toxicity under long-term daily use led to U.S. military consisted of 75% DEET in an alcohol base. Until 1989, the standard-issue insect repellent of the U.S. In the United States, DEET is available in 5% to 100% concentrations in multiple formulations, including solutions, lotions, creams, gels, aerosol and pump sprays, and impregnated towelettes. population uses a DEET-based insect repellent every year and that worldwide use exceeds 200 000 000 people annually.įormulation of Available Products with DEET Environmental Protection Agency (EPA) estimates that more than 38% of the U.S. Twenty years of empirical testing of more than 20 000 other compounds has not resulted in another marketed chemical product with the duration of protection and broad-spectrum effectiveness of DEET. It is a broad-spectrum repellent that is effective against mosquitoes, biting flies, chiggers, fleas, and ticks. It was subsequently registered for use by the general public in 1957. Department of Agriculture and was patented by the U.S. This substance was discovered and developed by scientists at the U.S. Previously called N,N-diethyl-m-toluamide, N,N-diethyl-3-methylbenzamide (DEET) remains the gold standard of currently available insect repellents. ![]()
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