Tea tree oil has become a popular staple in many skincare and hair care routines—and for good reason. Known for its versatile properties, this essential oil is used in everything from beauty products to home remedies. But is it really as effective as people claim?
Fortunately, science backs up several of its potential benefits. From supporting clearer skin to promoting healthier hair, tea tree oil may offer a range of natural solutions. In this guide, you’ll learn how it works, what research says, how to use it safely, how to make it at home, and what side effects to watch out for.
What Are the Health Benefits of Tea Tree Oil?
Tea tree oil is widely recognized for its antibacterial, antifungal, antiviral, antiseptic, and anti-inflammatory properties. Thanks to these qualities, it has found its way into various wellness routines. From promoting oral hygiene to supporting skin and nail health, here are some of the notable health benefits of this versatile oil.
1. Supports Stye Relief
A stye is a painful, swollen bump on the edge of the eyelid, usually caused by bacterial infection. May help reduce inflammation and inhibit the bacteria commonly associated with styes.
How to use
- Mix 1 teaspoon of tea tree oil with 2 tablespoons of filtered water
- Chill the mixture briefly in the refrigerator
- Dilute the solution slightly if needed
- Dip a clean cotton ball into the mixture and gently apply it around the affected area
- Repeat the process three times a day until the swelling subsides
- Avoid direct contact with the eye
2. May Help Prevent Bladder Infections
May help reduce the risk of bladder infections due to its potential ability to target antibiotic-resistant bacteria like E. coli. The vapor of tea tree oil may assist in maintaining hygiene and supporting urinary tract health.
How to use
- Add about 10 drops of tea tree oil to bath water
- Use the bath as a gentle wash around the urethral area
3. Strengthens and Protects Nails
Fungal infections can cause brittle, yellow, or discolored nails. Tea tree oil’s antifungal and antiseptic properties may help restore nail health.
How to use
- Mix ½ teaspoon of vitamin E oil with a few drops of tea tree oil
- Massage the blend into your nails and leave it on for 30 minutes
- Rinse with lukewarm water and moisturize
- Repeat twice a month for best results
Alternative method
- Combine tea tree oil with olive, coconut, or argan oil in a small bowl
- Soak nails in the mixture for 10 minutes
You can also use a cotton swab to apply diluted tea tree oil directly to affected nails up to four times daily.
4. May Aid in Treating Certain STIs
May help relieve discomfort caused by some sexually transmitted infections, such as chancroid or syphilis, due to its antimicrobial properties. It has also shown potential against Chlamydia trachomatis in early research.
How to use
- Apply diluted tea tree oil to the affected area using a clean cotton ball
- Repeat daily for up to two weeks
- Alternatively, add a few drops of tea tree oil to bath water for symptom relief
Always consult a healthcare professional before using essential oils for treating any medical condition
5. Helps Treat Belly Button Infections
Belly button infections, often caused by fungal or bacterial buildup, may benefit from tea tree oil’s cleansing and soothing properties.
How to use
- Mix 4 to 5 drops of tea tree oil with 1 teaspoon of olive or coconut oil
- Apply the mixture to the affected area with a cotton ball
- Let it sit for 10 minutes, then gently wipe clean
- Repeat two to three times a day
6. Soothes Dry Socket Pain
Dry socket, or alveolar osteitis, is a painful condition that can occur after tooth extraction. May help soothe the pain and reduce the risk of infection.
How to use
- Dampen a cotton swab with clean water
- Add 1 to 2 drops of tea tree oil to the swab
- Gently apply to the affected area for about 5 minutes
- Remove the swab and rinse with lukewarm water
- Repeat 2 to 3 times daily or as needed
7. May Help Ease Root Canal Pain
Though more research is needed, early studies suggest that tea tree oil may help disinfect the root canal system. Its antibacterial properties could reduce harmful bacteria and provide some pain relief following a dental procedure.
- May support oral hygiene by inhibiting bacterial activity in dental infections
- Further clinical validation is necessary—consult your dentist before use
8. Supports Healing of Foot Blisters
The antibacterial and astringent qualities of tea tree oil may help soothe and protect blistered skin on the feet. It may also reduce the risk of infection and prevent recurrence.
How to use
- Mix 1 part tea tree oil with 3 parts water or carrier oil
- Apply to clean skin with a cotton ball and leave on for 10 minutes before rinsing
- Repeat 2 to 3 times daily
- You can also add a few drops to a warm foot soak for 10 minutes
9. May Soothe Ear Infections
Thanks to its antifungal and antibacterial properties, may help with mild outer ear discomfort. However, it should never be applied directly into the ear canal.
How to use
- Mix a few drops of tea tree oil with ¼ cup of olive oil or coconut oil
- Soak a cotton ball in the mixture
- Tilt your head and gently rub the cotton ball around the outer ear
Important: Tea tree oil may cause irritation or be toxic in high concentrations—consult your doctor before use
10. May Help Reduce Vaginal Odor
Anecdotal evidence suggests that might help with managing vaginal odor due to its antimicrobial properties. However, the area is sensitive, so it must be used with caution and always in diluted form.
How to use
- Mix a drop or two of tea tree oil with water
- Apply gently to the outer vaginal area using a cotton pad for 3 to 5 days
- Alternatively, combine it with water and witch hazel and apply using a cotton pad
Discontinue use if irritation occurs and consult a doctor if symptoms persist
11. Might Assist in Combating Pneumonia
A study from China suggests that inhaling tea tree oil may help ease symptoms of pneumonia due to its antimicrobial components. Still, more evidence is needed to determine safe and effective at-home applications.
- Always consult a healthcare provider before using essential oils for respiratory concerns
- Never inhale directly or use it in high concentrations
12. May Help Manage Cellulitis
It has shown promise in studies involving wound healing for abscesses and cellulitis. Its anti-inflammatory and antimicrobial effects may support the healing process.
How to use
- Moisten a cotton swab with water and add 1–2 drops of tea tree oil
- Dab onto the affected area and let it sit for a few hours before rinsing
- You can also mix it with raw honey or aloe vera gel and apply it as a natural soothing treatment
13. May Help with Oral Thrush
May have antifungal effects against Candida albicans, the yeast responsible for oral thrush. Some studies suggest it may help reduce inflammation in the gums and support overall oral health.
How to use
- Use a diluted tea tree oil gel (recommended by your dentist) for brushing
- Alternatively, create a mouth rinse with a 5% diluted tea tree oil solution and rinse with 1 tablespoon up to 4 times daily
Important: Never swallow tea tree oil in any form. Always use under professional guidance for dental applications
15. May Help Ease Swollen Lymph Nodes
Swollen lymph nodes, also known as lymphadenitis, are often the result of bacterial infections and can cause tenderness or pain. It may offer relief due to its antibacterial and calming effects.
How to use
- Dilute a few drops of tea tree oil with an equal amount of coconut oil
- Gently apply to the swollen area a few times daily
- Alternatively, add 1 to 2 drops to a warm compress and place on the area for 10 to 15 minutes, several times a day
- Inhaling the aroma from the bottle may also help ease symptoms temporarily
Always avoid internal use and consult a healthcare professional if symptoms persist
16. May Help Reduce Body Odor
Body odor is caused when sweat interacts with bacteria on the skin. Tea tree oil’s antibacterial nature may help neutralize odor-causing bacteria and serve as a natural alternative to chemical deodorants.
How to make natural deodorant
- 3 tablespoons shea butter
- 3 tablespoons coconut oil
- ¼ cup cornstarch
- ¼ cup baking soda
- 20–30 drops of tea tree oil
Steps
- Melt shea butter and coconut oil in a glass jar placed in a pot of boiling water
- Remove from heat and stir in the remaining ingredients
- Pour the mixture into a container, stick, or mini molds
- Let it set for several hours before using
- Apply with fingers as a lotion or use like a stick
17. May Help Improve Breath Freshness
Bad breath is often caused by bacterial buildup in the mouth. Tea tree oil, known for its antimicrobial properties, may help reduce odor-causing bacteria.
How to use
- Add one drop to your toothpaste before brushing
- Create a mouth rinse by adding 3 drops to one cup of warm water
- Gargle the solution 2–3 times per day, especially after meals
- Never swallow tea tree oil in any form
Note: Always check with a dentist before using essential oils for oral care
18. Helps Treat Acne and Common Skin Concerns
It’s one of the most popular natural remedies for acne. Studies show it may be as effective as benzoyl peroxide in reducing breakouts, with the added benefit of being gentler on the skin.
How to use for acne
- Mix 2 to 3 drops with 1 tablespoon each of honey and plain yogurt
- Apply to acne-prone areas and leave on for 20 minutes
- Rinse with water and repeat daily
Other skin uses
- Dab diluted tea tree oil directly on pimples or dark spots using a cotton swab
- Use skincare products (like gels or cleansers) that contain tea tree oil
- For a skin-brightening face mask, blend 1 mashed tomato with 1 teaspoon jojoba oil and 4 drops of tea tree oil. Apply for 10 minutes and rinse
- For dry skin, mix 5 drops with 1 tablespoon of almond oil and massage gently. Rinse during your regular wash
- To make a natural face wash, combine:
- ⅓ cup tea tree castile soap
- ⅓ cup honey
- 3 tbsp distilled water
- 2 tbsp of jojoba or almond oil
- Mix and store in a dispenser. Shake before use
Note: Some anecdotal sources suggest that may help with dark circles and under-eye puffiness, but due to the delicate nature of that area, consult a dermatologist before use
19. May Help Treat Ringworm
Tea tree oil’s antifungal properties may be beneficial for fungal infections like ringworm, which often appear as red, circular rashes.
How to use
- Wash and dry the affected area thoroughly
- Use a sterile cotton swab to apply directly to the skin
- Repeat 3 times a day
- Dilute with a carrier oil if your skin becomes irritated
- For larger areas, use a clean cotton ball instead of a swab
Tip: Always wash any cloth or towel used on the infected area immediately to prevent spreading
20. Soothes Razor Burns and After-Wax Irritation
May help reduce the discomfort and redness associated with razor burns or post-wax skin irritation. Its soothing properties can calm the skin and prevent infection
How to use
- After shaving, apply a few drops of diluted tea tree oil to the affected area with a cotton swab
- It may also be used as an after-wax treatment to help calm the skin
- Tea tree oil-based soaps or shaving lathers available in stores can be a convenient alternative for daily use
How Does Tea Tree Oil Actually Work?
It’s a natural essential oil known for its strong, clean scent and a wide range of beneficial uses. It’s extracted from the leaves of the Melaleuca alternifolia tree, a native species found in parts of Australia, especially in the southeast and northeast regions. This small evergreen tree is part of the Myrtaceae family and features thin, needle-like leaves, papery bark, and small white or purple flowers.
The effectiveness of tea tree oil comes from its unique chemical makeup. It contains more than 100 different compounds, with terpene hydrocarbons being the most significant. These include monoterpenes, sesquiterpenes, and their related alcohols. One of the key active compounds is terpinen-4-ol, which has been widely studied for its antibacterial and anti-inflammatory properties.
Another compound, 1,8-cineole, is present in smaller amounts and may sometimes contribute to skin sensitivity or irritation. For this reason, using high-quality, properly diluted tea tree oil is recommended—especially for people with sensitive skin.
History of Tea Tree Oil
The name “tea tree” is believed to have originated from early explorers like Captain James Cook, who reportedly brewed tea-like infusions from the leaves of similar shrubs during his expeditions.
The commercial use of tea tree oil began in the 1920s when Arthur Penfold, an Australian chemist, researched the potential of various native plant oils. He found that this oil stood out for its strong antiseptic properties and proposed it as a promising natural remedy.
Its popularity grew steadily through the 1970s and 1980s, leading to the development of commercial plantations. These operations allowed for larger-scale production and global distribution, helping tea tree oil earn a permanent spot in many natural health and personal care routines.
Is It Safe to Use?
When used topically and in diluted form, it’s generally considered safe for most adults. It is commonly applied to the skin to address concerns like acne, irritation, or minor infections. However, it’s important to avoid applying it directly to sensitive areas without dilution, as it may cause mild irritation or allergic reactions in some individuals.
Ingesting the oil can lead to serious side effects such as confusion, drowsiness, loss of coordination, and, in severe cases, coma. According to safety guidance from experts, including Dr. Scott A. Johnson, ingestion should be avoided entirely—especially in children under the age of six. Even small amounts can be toxic if swallowed.
To use tea tree oil safely:
- Always dilute with a carrier oil when applying to the skin
- Perform a patch test before full application
- Keep the oil out of reach of children and pets
- Store it in a cool, dark place to preserve its properties
If you’re ever unsure about using tea tree oil for a specific purpose, it’s best to speak with a healthcare provider or dermatologist for personalized advice
How to Make Tea Tree Oil at Home
Making your own tea tree oil at home is possible with the right materials and a bit of patience. If you have access to fresh tea tree leaves, you can create a small batch of essential oil using steam distillation. Here’s a step-by-step guide you can follow safely in your kitchen.
What You’ll Need
- Fresh tea tree leaves
- Water
- Large pot with lid (preferably with a curved or domed shape)
- Vegetable steamer
- Heat-resistant glass measuring cup
- Ice cubes
- Separating funnel
- Tinted glass bottle for storage
Steps to Make Tea Tree Oil
- Add a generous amount of fresh tea tree leaves to a pot and cover them with water
- Place a vegetable steamer into the pot over the leaves and water
- Position a glass measuring cup inside the steamer
- Place the lid on the pot upside down so that the knob points toward the measuring cup
- Bring the water to a boil to create steam
- Add 3–4 ice cubes to the top of the upside-down lid. This will help condense the steam more efficiently
- Allow the steam to rise, condense on the lid, and drip into the measuring cup
- When the ice has melted, turn off the heat
- Carefully remove the lid and pour out the water collected from the melted ice
- Remove the measuring cup containing the condensed mixture of oil and water
- Pour the contents into a separating funnel (ensure the bottom valve is closed)
- Close the top of the funnel, shake it gently, then invert and open the top to release built-up pressure
- Let the oil and water separate inside the funnel—the tea tree oil will float on top
- Place a glass bottle under the funnel, drain the water through the stopcock, and collect the oil in a tinted glass bottle
- Repeat the steaming process up to three more times to extract more oil from the same batch of leaves
Store your homemade tea tree oil in a cool, dark place. Always label it properly and use in small, diluted amounts
Bonus: Homemade Tea Tree Oil Cleaner
You can also make a natural surface cleaner using tea tree oil. It’s great for disinfecting countertops, sinks, and other hard surfaces.
What You’ll Need
- ½ cup white vinegar
- 3 cups water
- ¼ teaspoon tea tree oil
- A few drops of another essential oil (optional)
- Spray bottle
How to make and use
- Combine all ingredients in a spray bottle
- Shake well before each use
- Spray on hard surfaces and wipe clean with a cloth