How to Use Pennyroyal for Fleas

For Humans

• 1

  Place a handful of fresh pennyroyal leaves into a mortar and pestle. Grind the leaves to release the oils and aroma. Continue grinding the leaves until they are thoroughly broken up.

• 2

  Transfer the leaves to a piece of cheesecloth and tie it off so the leaves won't fall out.

• 3

  Rub the cheesecloth over your skin, paying attention to the ankles and feet, where fleas can easily jump onto you from the ground. Hang the cheesecloth in any room infested with fleas, out of the reach of children or pets.

For Pets

• 4

  Place three drops of pennyroyal essential oil on the outside of a nylon collar, so it does not come into direct contact with the pet's skin.

• 5

  Put the collar on your pet.

• 6

  Monitor the pet's neck for any allergic reactions. If the pet begins itching or showing signs of discomfort, remove the collar and get a new one. Decrease the dose to two drops of the oil and put the collar back on.