Ultrathon insect repellent aerosol spray delivers the powerful protection of Ultrathon insect repellent with the convenience of a spray. Designed to provide superb protection against mosquitoes that may carry viruses such as Zika, West Nile and Dengue Fever, this insect repellent lasts up to 8 hours against mosquitoes with proprietary 3M Time Release Technology. Formulated with a polymer, this mosquito repellent traps DEET and releases it over skin surfaces for long lasting protection for the whole family. Sweat and splash resistant, you can enjoy your outdoor adventure without having to worry about frequent reapplication.