How Do I Dilute Tea Tree Oil?

To prevent skin irritation, tea tree oil may be combined with olive oil before application.
Three drops of tea tree oil and a half cup of olive oil can be used to treat athlete's foot.
Tea tree oil has antiseptic and anti-fungal properties.
Tea tree oil may be helpful for treating dandruff.
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  • Written By: Dee Jones
  • Edited By: W. Everett
  • Last Modified Date: 24 October 2014
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Due to its antiseptic and anti-fungal properties, tea tree oil has many uses. In most cases, an individual should dilute tea tree oil with water, a carrier oil, or some other liquid before using it. Tea tree oil is often used to treat skin problems, so the type of carrier oil used will depend on an individual’s specific skin type. While many don't dilute tea tree oil for use as an antiseptic, others believe it's necessary.

For use as a mouthwash, combine four drops of tea tree oil with 6 ounces (170 grams) of water. A household cleaner can be made by combining one teaspoon of tea tree oil and 2 cups (473 ml)of water. To fight acne, mix two drops of tea tree oil with 0.5 cup (118 ml) of carrier oil.

Tea tree oil can replace, or be used in combination with, many common personal care products. To treat dandruff, an individual can pour shampoo into his hand, and then add two or three drops of tea tree oil to the shampoo. Mouthwash made with diluted tea tree oil should never be swallowed.


Those with athlete’s foot can add three drops of tea tree oil to half a cup of olive oil, and rub the mixture into the feet. While some believe there is no need to dilute tea tree oil for use as an antiseptic, others believe tea tree oil dilution is necessary to prevent skin irritation. Combine one teaspoon of tea tree oil and 4 ounces (113 grams) of witch hazel to treat minor cuts and scrapes.

Many find tea tree oil to be effective for treating acne and other skin problems. It is important to dilute tea tree oil with a carrier oil before applying it to skin prone to irritation. Acne sufferers with dry skin should combine two drops of tea tree oil with 0.5 cup (118 ml) of coconut oil. Coconut oil is hydrating and will both moisturize the skin and help keep it from drying out.

For oily skin, combine two drops of tea tree oil with 0.5 cup (118 ml) of jojoba oil or almond oil. These oils won’t make the skin oily or greasy. After washing the face, use a cotton ball to apply the tea tree oil solution to the skin.

A natural, all-purpose household cleaner can be made by combining tea tree oil with water. To make the dilute tea tree oil cleaner more potent, add a small amount of vinegar. A pinch of sea salt can also be added to this homemade cleaner.


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Post 4

For dandruff or acne, most reputable medical sources -see online sites as an example - recommend a 5 percent tea tree solution for the solution to be effective. For example, if you have an 8 ounce bottle [236 mL] of shampoo, you would need 11.8 mL of tea tree oil. That is way more than one or two drops. Usually 20 drops equals about 1 mL. One or two drops won't do anything if diluted in half a cup of shampoo.

Post 3

@alisha-- No, it doesn't. Like all essential oils, tea tree oil is potent. It can be diluted one hundred or more times and still work just as well. In fact, this is what homeopathy and Ayurvedic medicine does. In Ayurveda, the smallest possible dose is used for maximum effectiveness and all medicines, including essential oils, are diluted over and over again.

Two drops of tea tree oil in 118ml of carrier oil is much stronger than what this oil would be diluted to in homeopathy. You can dilute it even more and it will still be effective.

Post 2

118ml of carrier oil for two drops of tea tree oil seems like a lot. Doesn't tea tree oil lose its effectiveness?

Post 1

Tea tree oil is very strong. I once made the mistake of using it directly on my skin and it irritated it. My skin became red and itchy.

I didn't have many oils at home, I only had virgin olive oil. So next time, I put the olive oil in a 50ml bottle and then added one drop of tea tree oil in it. This worked fine, it didn't irritate my skin.

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