Deter DEET FREE Natural Insect Repellant Wipes - 10 Pack DEET FREE and Effective! Lasts up to 6 hours. Revolutionary NEW formula Scientifically proven to provide a safe and effective alternative to DEET-based repellents. Effective Against Mosquitoes, Biting Flies, no-see-ums, Ticks, Fleas and Chiggers Independent testing has shown Deter to be as effective as products containing 25% DEET Convenient Wipes Individually Sealed -- 10 pack box