Does Tea Tree Oil Repel Ticks? What You Should Know Before You Use It

Mike Hennesey
on
April 5, 2025

If you’re looking for natural ways to protect yourself or your pets from ticks, you may have come across tea…

If you’re looking for natural ways to protect yourself or your pets from ticks, you may have come across tea tree oil as a potential solution. Touted for its antiseptic and insect-repelling properties, tea tree oil is a staple in many natural health circles. But does tea tree oil actually repel ticks—and is it safe to use for that purpose?

Let’s take a closer look at what the science says, how tea tree oil works, and whether it’s a reliable way to keep ticks away.


What Is Tea Tree Oil?

Tea tree oil, also known as melaleuca oil, is an essential oil derived from the leaves of the Melaleuca alternifolia tree, native to Australia. It’s well-known for its antimicrobial, antifungal, and anti-inflammatory properties. It’s commonly used in skincare products to treat acne, minor cuts, and fungal infections.

Because of its strong scent and natural composition, some people believe that tea tree oil can also act as an insect repellent.


Can Tea Tree Oil Repel Ticks?

When it comes to tea tree oil and ticks, there is limited scientific research to support its effectiveness as a reliable tick repellent. While some lab studies and anecdotal evidence suggest that tea tree oil may have some deterrent effects on certain insects like mosquitoes and lice, its ability to repel ticks specifically is less clear.

Ticks are resilient and can be difficult to repel. Unlike mosquitoes, which rely heavily on scent, ticks use multiple sensory cues to find their hosts, including body heat and carbon dioxide. While the strong smell of tea tree oil might deter some ticks at close range, it’s unlikely to provide broad or long-lasting protection on its own.

That said, some small studies and user reports have shown that tea tree oil, when used in combination with other essential oils like citronella, eucalyptus, or geranium, may help reduce the risk of tick bites. But again, this is not a replacement for proven repellents like DEET, picaridin, or permethrin-treated clothing.


Safety Considerations: Is Tea Tree Oil Safe for People and Pets?

Even if tea tree oil offers some level of tick repellent action, it’s important to weigh the safety risks, especially when using it on pets or young children.

  • For humans: Tea tree oil must always be diluted with a carrier oil (like coconut oil or almond oil) before applying it to the skin. Undiluted tea tree oil can cause skin irritation, rashes, or allergic reactions. People with sensitive skin or asthma should be especially cautious.
  • For pets: Tea tree oil is toxic to dogs and cats, particularly when ingested or applied in high concentrations. Even topical use can be harmful. Symptoms of tea tree oil poisoning in pets include drooling, weakness, tremors, and difficulty walking.

If you’re considering using tea tree oil on your pet to prevent ticks, it’s best to consult a veterinarian first. There are safer and more effective options available for tick prevention in animals.


How to Use Tea Tree Oil as a Natural Tick Repellent (With Caution)

If you still want to try tea tree oil as part of a DIY natural tick repellent, here’s how to do it as safely as possible:

DIY Tea Tree Oil Spray for Humans:

  • 10–15 drops of tea tree oil
  • 2 tablespoons of a carrier oil (like coconut or jojoba)
  • 1 cup of distilled water
  • Optional: Add other essential oils like eucalyptus, citronella, or lavender
  • Combine in a spray bottle and shake well before use
  • Spray on clothing and exposed skin (do a patch test first)

Do not apply near eyes, mouth, or open wounds.

This homemade spray can offer mild insect-repelling effects, but it should not replace more effective tick repellents, especially in high-risk areas.


Better Alternatives for Tick Repellents

If your goal is to protect yourself or your pets from tick bites and the diseases they carry (like Lyme disease and Rocky Mountain spotted fever), it’s important to rely on proven, EPA-registered tick repellents. Some of the best options include:

  • DEET (20–30%): Long-lasting and widely studied
  • Picaridin: Odorless and gentle on skin
  • Permethrin (used on clothing and gear): Kills ticks on contact
  • Natural alternatives: Lemon eucalyptus oil (PMD) is an EPA-approved plant-based repellent that may work well against ticks

The Bottom Line

Tea tree oil may offer some very limited tick-repelling properties, but it’s not reliable enough to use as your main line of defense—especially if you’re spending time in tick-infested areas. While natural solutions are appealing, tick bites are a serious health risk, and prevention should be approached with care. Consider hiring professionals like Tick & Turf if you’re looking for tick control in Newtown.

If you choose to use tea tree oil, make sure you dilute it properly, test it on a small area first, and never use it on pets without veterinary approval. For the best protection, stick with scientifically backed tick repellents and protective clothing when heading outdoors.

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