12 HOUR Ultrathon® is the longestlasting and most effective insect repellent on the market today. It repels mosquitoes for over 12 hours and ticks for over 9 hours, and is also effective against biting flies, gnats, chiggers, and fleas.
Ultrathon® contains 33% DET in a controlled-release polymer.
Moisture resistant - lasts through splashes, perspiration, and rain.
Used by the U.S. military because of its effectiveness.
Also repels terrestrial leeches in tropical areas where pests occur.