Insect repellents containing various concentrations of DEET (N,N-diethyl-meta-toluamide) can be safely used to repel biting insects such as:
Deet is one of the most popular active ingredients used for repelling certain
insects and can be used (in some formulations) on exposed skin.
DEET was developed and patented by the U.S. Army in 1946 for use by military personnel in insect infested areas. DEET was Recognized as one of the few products effective against mosquitoes and biting flies, DEET was registered for use by the general public in 1957. Today, DEET is the most widely used insect repellent. Most DEET products are registered for human use; there are a few products registered for veterinary uses.