How to Use Tea Tree Oil for Fleas


Tea tree oil, harvested from the leaves of the narrow-leaved tea tree, is a clear essential oil with a fresh scent. According to Cynthia B. Olsen, author of "Australian Tea Tree Oil Handbook," tea tree oil is a powerful antiseptic with insect repellent properties. Tea tree oil safely and effectively repels fleas from humans. However, tea tree oil is not safe for use on dogs or cats as the substance can cause serious illness. You can use tea tree oil to repel fleas on your body with persistent treatment.

Things You'll Need

  • Flea killing soap
  • Clean towel
  • Tea tree oil
  • Spray bottle

Step 1

Take a bath or shower and wash with flea killing soap per the manufacturer’s instructions if you already have an infestation. This will kill all of the fleas if done correctly. You can purchase flea killing soap from drugstores or request a bottle from your doctor.

Step 2

Pat yourself dry with a clean towel after bathing or showering. Wash towels in hot water that may have come into contact with fleas.

Step 3

Pour tea tree oil into a spray bottle and mist your entire body. Massage the tea tree oil into your skin and repeat the misting. Allow the second misting to soak into your skin naturally without massage.

Step 4

Spray your body with tea tree oil twice daily to deter fleas from returning. Continue use after the infestation has subsided if you live in an area prone to fleas. Daily use of tea tree oil will lessen your chances of repeated infection.

Step 5

Repeat the bathing process with flea killing soap two days after the initial treatment to ensure fleas do not return.

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Tips & Warnings

  • Consult with your physician if you suffer recurring flea infestations.


  • "Australian Tea Tree Oil Handbook: 101 Plus Ways To Use Tea Tree"; Cynthia B. Olsen; 1999
  • "The Tea Tree Oil Bible: Your Essential Guide for Health and Home Uses/Your First Aid Kit in a Bottle"; Elvis Ali, George Grant, Selim, M.D. Nakla and Don Patel; 1999
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