The Center for Disease Control (CDC) recommends the following active ingredients in mosquito repellent formulations for skin and clothing:
Another ingredient, permethrin is recommended for use as a repellent on clothing.
The above repellent ingredients have been reviewed and registered by the Environmental Protection Agency for safety and efficacy when used according to the label. Always follow label guidelines when selecting and using insect repellents.
For more information on repellents and mosquito control devices, see the following articles:
How to Use Insect Repellents Safely
Mosquito Control Devices and Services for Florida Homeowners
Mosquito Misting Systems