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IR3535, an innovative product developed by Merck

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Product Description
  • Natural insect repellant based on IR3535, effective against mosquitoes, deer ticks, biting flies, lice, bees and wasps.
  • Long lasting protection for up to 12 hrs.
  • Safe for children.
  • 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