Ultrathon is the longest enduring and such a lot efficient insect repellent available on the market nowadays! It repels mosquitoes for over 12 hours and ticks for over 9 hours and could also be efficient towards biting flies, gnats, chiggers, and fleas. Accommodates 33% DEET in a managed-unlock polymer. Moisture resistant-lasts via splashes, perspiration, and rain.