What Is a Good Flea Repellent for Humans?


Quick Answer

3M Ultrathon Insect Repellent is a popular and effective product designed to protect humans from mosquitoes, ticks and other insects, including fleas. 3M initially created the product in the 1980s after the U.S. military asked the company to develop better insect protection.

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Full Answer

The repellent, which is only for adult use, is resistant to water and sweat and lasts up to 12 hours because of its slow-release formula. It contains a high concentration of DEET, which is a widely used active ingredient in human insect repellents. Products containing DEET work by masking the odors that insects use to detect human skin.

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