Picaridin is a promising new insecticide; its effect is similar to DEET, yet it is safer on gear and equipment than DEET. At 20%, this long lasting topical insect repellent is effective up to 12 hours against mosquitoes and ticks, and up to 8 hours against biting flies, gnats, chiggers and fleas. Picaridin is more effective at repelling biting flies than DEET.
