Insect repellent, a product initially developed for the military, as it provides long-lasting protection against mosquitoes for up to 12 hours. The formula is effective against ticks that can transmit West Nile virus and mosquitoes, biting flies, bed bugs, lice, fleas and deer flies. Water and sweat resistant. Composition offers stability against freezing and thawing of the product, classified as a superior insect repellent by independent testing laboratories. Tested in the harshest conditions in South America. Ultrathon uses time released technology to provide a longer lasting repellent. Container contains 2oz equivalent to 56.7g of lotion.