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14 Natural Remedies with Tea Tree Essential Oil

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Tea tree oil is distilled from a tree native to Australia called Melaleuca alternifolia, and has been used in traditional Aboriginal folk medicine for centuries. In its 100 percent undiluted form, tea tree essential oil is an extremely potent natural medicine with an astringent scent and antimicrobial properties.

While it shouldn’t be used undiluted on the skin, tea tree oil has many topical benefits when combined with a carrier oil at a ratio of 1 drop of tea tree oil to 12 drops of a carrier oil. It’s also effective as a natural remedy to combat many common afflictions, from respiratory infections to athlete’s foot. Tea tree oil’s therapeutic qualities are backed by scientific research, so you know you can count on it as an alternative to conventional treatments. Here are 14 ways you can use tea tree oil as a natural remedy:

1. Treats Eczema and Psoriasis

Combined in a carrier oil, tea tree oil can be used to soothe and reduce eczema and psoriasis. It works by reducing inflammation and pain on irritated skin. It reduces the red, swollen appearance of eczema and psoriasis, and stops itching and treats the infection [1, 2].. It can be applied a few times per day to an affected area for the best results.

2. Fights Oily Skin

Tea tree oil works as an antiseptic and controls oily skin. In one study, people who used a sunscreen that contained tea tree oil saw less oiliness in their skin within 30 days [3]. Mix a small amount into a moisturizer, sunscreen or clay-based facial mask to help control oily skin.

3. Works as a Natural Bug Repellant

Insects can’t stand the antiseptic smell of tea tree oil. In an animal study, cows treated with tea tree oil had 61 percent fewer flies compared to cows without it, suggesting it works as a natural bug spray [4]. Another study even showed it repelled mosquitoes better than DEET—the inorganic pesticide found in most insect repellants [5]. You can dilute tea tree oil in a carrier oil and apply it to your ankles, hands and any other areas exposed to mosquitoes when you go outside at night in mosquito season.

4. Relieves Itchy Skin and Bug Bites

If you do end up with itchy bug bites, you can use tea tree oil to relieve itching. It kills bacteria, reduces itching and inflammation, and helps the bite heal faster. A study showed that tea tree oil at a 5 percent concentration within a carrier oil improved itchiness compared to a placebo in all participants with itchy skin, and eliminated itchiness completely in 67 percent of participants [6].

5. Treats Athlete’s Foot

Athlete’s foot is a contagious fungal infection of the feet and toenails involving blisters, redness and cracked or peeling skin. Studies show that tea tree oil works as effectively as antifungal medications in controlling athlete’s foot. It’s shown to relieve inflammation, itching burning and scaling of the skin [7]. With its antiseptic properties, tea tree oil can helps remove the infection and prevent future outbreaks.

6. Eliminates Dandruff

Dandruff isn’t just itchy and unsightly. It can also affect hair growth by clogging hair follicles on the scalp. Studies show that tea tree oil is effective against dandruff when used in shampoo. One study found that a tea tree oil added to shampoo at a 5 percent concentration reduced scalp greasiness, itchiness and dandruff severity [8].

7. Banishes Bad Breath as a Natural Mouthwash

Typical over-the-counter mouthwashes contain harmful toxins. Tea tree oil is a natural alternative shown to fight the germs that cause bad breath and tooth decay. One study showed it was more effective that chlorhexidine in reducing bacteria that causes plaque [9]. All you need is one drop of tea tree oil in a cup of warm water to make an all-natural mouthwash solution.

8. Combats Acne

The antimicrobial and anti-inflammatory compounds in tea tree oil improve acne by reducing inflammation and redness. One study showed that at a 5 percent concentration, it was 6 times more effective than actual acne medicine in reducing the severity of acne lesions in people with acne [10]. Several other studies have found similar effects, with one in particular showing tea tree oil to be as effective as benzoyl peroxide [11].

9. Cleans Wounds and Speeds Healing

Tea tree oil is a great addition to your natural medicine cabinet because it acts as an effective antiseptic for minor wounds. After cleaning a cut, scrape or abrasion, you can apply tea tree oil diluted in a carrier oil such as coconut oil before covering with a bandage. Reapplying this a couple times per day can speed up the healing process and prevent infection. It reduces swelling and stimulates the production of white blood cells that help the wound heal [12].

10. Relieves Nasal Congestion

When inhaled through a diffuser or from a bowl of steaming hot water, tea tree oil works as a nasal decongestant you can use to relieve symptoms of allergies, colds, flus or sinus infections. Add a few drops to a bowl of steaming hot water and inhale the steam for up to 5 minutes. Be sure to close your eyes or cover them with a towel so they don’t contact the steam.

11. Improves Respiratory Infections

You can inhale tea tree oil in the same way to expel mucus in the lungs and relieve coughs. As a natural expectorant, you can use it in homemade vapor rubs. Make a natural vapor rub by combining it with a carrier oil or some vaseline and apply to your chest or under your nostrils. By stimulating the immune system and killing pathogens that cause infection, tea tree oil is shown to help shorten the duration of common colds and flus [13].

12. Soothes Toothaches and Gum Pain

In addition to its anti-inflammatory properties, tea tree oil also works as a natural analgesic, reducing pains such as toothaches. You can dilute it in warm water and use it as a mouthwash a few times per day to treat tooth pain. Research also shows it can reduce gum inflammation and help treat gum disease [14].

13. Alleviates Cold Sores

The antiviral properties of tea tree oil have been shown to be effective against cold sores, caused by the herpes simplex virus. Applying it diluted in a carrier oil several times a day can help clear up cold sores by directly killing the infection. While it heals, tea tree oil also reduces redness and swelling to improve the appearance of cold sore-infected lips [13].

14. Gets Rid of Warts

In a similar way, tea tree oil also gets rid of warts. Warts are caused by a virus called human papillomavirus (HPV), which tea tree oil is shown to be effective against. Apply one drop of tea tree oil to the wart a few times daily until the wart disappears. Use a carrier oil instead of undiluted oil only if you experience irritation.

Final Tips and Considerations

Although it’s a naturally-derived substance, tea tree oil should be treated as the powerful medicine that it is to avoid toxicity and unwanted side effects. Internal use should be avoided altogether, because tea tree oil has been found to be poisonous when ingested. Even inhaling tea tree oil excessively can irritate the lungs and cause excessive coughing. Topical use is only considered safe when the oil is diluted with a carrier oil such as jojoba oil, coconut oil, olive oil or the like. Tea tree oil varies in quality, so look for 100 percent pure therapeutic grade oil with no additives. Like any medicine, it can have interactions, so consult with a medical professional before if you’re pregnant, breastfeeding or taking medications.


1. “Tea tree oil attenuates experimental contact dermatitis” Archives of Dermatological Research. 2011

2. “Tea tree oil as a novel antipsoriasis weapon” Skin Pharmacology and Physiology. 2012

3. “Development and Preliminary Cosmetic Potential Evaluation of Melaleuca alternifolia cheel (Myrtaceae) Oil and Resveratrol for Oily Skin” Journal of Dermatology Research and Therapy. 2016

4. “Insecticidal and repellent effects of tea tree and andiroba oils on flies associated with livestock.” Medical and Veterinary Entomology. 2014

5. “”Singing in the Tube”–audiovisual assay of plant oil repellent activity against mosquitoes (Culex pipiens).” Parasitology Research. 2016

6. “Treatment of ocular itching associated with ocular demodicosis by 5% tea tree oil ointment.” Cornea. 2012

7. “Tea tree oil in the treatment of tinea pedis.” The Australasian Journal of Dermatology. 1992

8. “Treatment of dandruff with 5% tea tree oil shampoo.” Journal of the American Academy of Dermatology. 2002

9. “Antimicrobial activity of garlic, tea tree oil, and chlorhexidine against oral microorganisms.” International Dental Journal. 2022

10. “The efficacy of 5% topical tea tree oil gel in mild to moderate acne vulgaris: a randomized, double-blind placebo-controlled study.” Indian Journal of Dermatology. 2007

11. “A comparative study of tea-tree oil versus benzoylperoxide in the treatment of acne.” Medical Journal of Australia. 1990

12. “Biological activity of Melaleuca alternifola (Tea Tree) oil component, terpinen-4-ol, in human myelocytic cell line HL-60.” Journal of Manipulative and Physiological Therapeutics. 1999

13. “Melaleuca alternifolia (Tea Tree) Oil: a Review of Antimicrobial and Other Medicinal Properties” Clinical Microbiology Reviews. 2006

14. “Effect of local application of tea tree (Melaleuca alternifolia) oil gel on long pentraxin level used as an adjunctive treatment of chronic periodontitis: A randomized controlled clinical study” Journal of Indian Society of Periodontology. 2013