What Experts Use to Repel Ticks and Mosquitoes

What Experts Use to Repel Ticks and Mosquitoes

If you want to protect yourself from mosquitoes and ticks—which seem to be everywhere this year—you might need to enlist a heavy-hitter. Insect experts reach for one thing: permethrin. Here’s what to know about the synthetic insecticide, plus how and when to use it. How permethrin works Permethrin, which is derived from the chrysanthemum flower, has been used in some form since around 400 B.C. During the wars of the early 1800s, Napoleon dusted …