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Essential Oils

Phthalates in Lavender Oil?

May 15, 2025
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Tests by an independent research group found phthalates (plasticizers that can cause hormone disruption) in several popular lavender essential oil products. Find out how these amounts compare to safety limits in the Quality Concerns section of our Lavender and Tea Tree Essential Oils Review, which includes our Top Picks for lavender oil.

Tea Tree Oil for Cold Sores?

January 27, 2025
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Tea tree oil has been traditionally used for healing cold sores, but does it work? Find out what research suggests in the Tea tree oil section of our Essential Oils Review, which includes our Top Pick for tea tree oil as well as for lavender oil.

Also see: Can any vitamins or minerals help prevent or reduce canker sores or cold sores?

Essential Oils Legal Settlement

May 31, 2024
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Young Living Essential Oils has agreed to pay $5 million dollars to settle a class action lawsuit regarding a "therapeutic" claim in marketing its essential oils, including one that we tested in our Lavender and Tea Tree Essential Oils Review. See settlement details in our Recalls & Warnings section.

Lavender Oil for Shingles Nerve Pain?

February 21, 2024
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Does lavender oil aromatherapy reduce nerve pain after shingles? Find out what a recent study showed in the Lavender oil section of our Lavender and Tea Tree Essential Oils Review, which includes our Top Picks for lavender oil.

Lavender Oil for Insomnia?

July 25, 2023
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Did the aroma of lavender oil improve sleep or reduce hot flashes in postmenopausal women with insomnia? Find out in the What It Does section of our Lavender and Tea Tree Essential Oils Review, which includes our Top Picks among essential oils.

Also see: Which supplements and lifestyle changes improve sleep, and which cause insomnia?

Skin Reactions to Tea Tree Oil

April 14, 2023
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Topical tea tree oil can cause skin reactions, but there may be ways to minimize the risk, according to a recent review. Get the details in the Cautions and Concerns section of our Lavender and Tea Tree Essential Oils Review.

Also see our Top Pick for tea tree oil.

Pain Reduction with Lavender Oil?

March 28, 2023
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Does spraying the skin with lavender oil reduce the pain of an injection? Find out what a recent study showed in the What It Does section of our Lavender and Tea Tree Essential Oils Review.

Also see our Top Picks among lavender and tea tree oils.

Tea Tree Oil Toxicity

August 30, 2022
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Is tea tree oil safe to use around the eye? Be careful -- it can potentially cause eye injury.

There is also concern that tea tree oil can cause growth of breast tissue in young boys. Learn more about this in the Cautions and Concerns section of our Lavender and Tea Tree Essential Oils Review.