In cooperation with the leading manufacturer of the actual DEET chemical product, this new EPA approved water based technology will give you more than 7 hr of protection. This approved BugX30 EPA formula allows the DEET to be released in a controlled measured manner, permitting longer lasting performance once obtained only by high concentrations of DEET. This type of formula provides the highest degree of protection against vector borne diseases such as dengue fever, west nile virus and lyme disease. It is also effective protection from mosquitoes, ticks, chiggers, fleas, gnats, no see ums and multiple kinds of flies (sand, deer, stable and black flies).