Peppermint oil is commonly used to repel ants, spiders, flies, mosquitoes, cockroaches, fleas, and mice or other rodents.

Quick Scoop

It works best as a deterrent , not a permanent pest-killer, and results vary by concentration and how often it is reapplied.

People often spray diluted peppermint oil around entry points, baseboards, windows, and doorways to make the area less appealing to pests.

Common Pests Reported

  • Ants.
  • Spiders.
  • Flies.
  • Mosquitoes.
  • Cockroaches.
  • Fleas.
  • Mice and other rodents.

Important Note

Peppermint oil can help discourage pests, but it is usually not enough for a severe infestation.

If you want, I can also give you a simple DIY peppermint oil spray recipe and safety tips for pets and kids.