Natural insect repellant based on IR3535, effective against mosquitoes, deer ticks and biting flies, Repelast can also repel lice, bees and wasps.

• Long lasting protection for up to 12 hrs. Safe for children.
• IR3535 is an innovative product developed by Merck.
• Used in U.S. since 1999; marketed in Europe in early 1980s (where it is known as Merck 3535) and in Asia in the 1990s.
• Registered as a biopesticide with EPA (Environmental Protection Agency).
• Repelast® is a DEET-free spray.