Toxic Essential Oils NOT TO BE USED

by Sumedha Rewar

Till now, we’ve enlisted our articles related to the essential oils to be used for the general health. Most of the oils are actually beneficial in some or the other way. However, there are some oils which must NOT be used in the body massages or taken orally because of their toxic nature.

Image by Surian Soosay

The oils should never be taken orally until it is mentioned by a qualified licensed practitioner. International Fragrance Association (IFRA) has illustrated complete ban on some of the oils due to their off-putting impacts in some or the other. I’ve mentioned a list of the essential oils which should be avoided as they have toxic properties.

  • Bitter Almond (Prunus amygdalus var. amara)

Bitter almonds contain Prussic acid, which is commonly known as cyanide. It is toxic even in small amounts. This doesn’t mean that bitter almonds can’t produce essential oils, but it can do so only after the prussic oil is removed with rectification and then washing is given by alkali. It is then flavored synthetically.

  • Boldo (Peumus boldus)

Many herbal medicines use Boldo as constituents but its oil is highly powerful and produces seizures even in small quantities.

  • Calamus (Acorus calamus)

The root of Calamus is used as herbal medicine and it can cure a number of issues like vertigo, headaches and nervous issues. This oil has asorone, which can be really bad for ingestion and can cause a direct effect on liver and kidney. It even causes convulsions.

  • Camphor (Cinnamomum camphora)

Camphor can be used for the treatment of respiratory diseases and some infections. However, the oral ingestion is toxic.

  • Cassia (Cinnamomum cassia)

This herb is mainly used for curing digestive issues but can have a negative impact on skin. It even irritates mucous membranes.

  • Horseradish (Cochlearia armoracia)

This herb is used for treating coughs and consists of allyl isothiocyanate, which has irritating effects on eyes, skin, nose and mucous membranes of the body.

  • Mugwort (Artemisia vulgaris)

This herb is used for many purposes, but the oil is a neurotoxin and poisonous in nature.

  • Mustard (Brassica nigra)

Mustard seeds itself don’t contain any toxic component, but when the mustard seeds come in contact with water, the glycoside decomposes due to the enzymatic reaction. This oil ha high content of allyl isothiocyanate and some of the people are allergic to the oil.

  • Pennyroyal (Mentha pulegium)

This herb is well-known to be used for many complaints like menstrual problems. It can cause problems even in small quantities. The oil can cause damage to lungs and liver and is also abortifacient.

  • Rue (Ruta graveolens)

There have been many studies revealing the herbal use of Rue, but the oil might be irritating for the skin. It is toxic and can irritate the mucous membranes and even causes sun sensitivity due to phototoxicity.

  • Sassafras (Sassafras albidum)

This herb has been used for gout and rheumatic pains. However, the oil has about 90 percent safrole, which is a banned produce by the FDA for the carcinogenic property. It can be toxic even in small amounts and must be avoided.

  • Savin (Juniperus Sabina)

Savin is toxic oil consisting of sabinol, sabinyl acetate and sabinene. It is an abortifacient and also irritates skin.

  • Tansy (Tanacetum vulgare)

This oil has the higher percentage of thujone, which is toxic and can cause vomiting, uterine bleeding, and convulsions. There can be organ failure or respiratory arrest leading towards fatal conditions of the human beings.

  • Thuja (Thuja occidentails)

This oil acts as a very powerful abortion agent due to its poisonous effects and even causes troubles in the nerves. The herbal fusion made up by this oil can make medical complexities for patients.

  • Wintergreen (Gaultheria procumbens)

This oil consists of maximum content of methyl salicylate and could cause skin issues to the people who are mainly sensitive to aspirin. It has toxic properties and can cause troubles even in diluted blends of various medications.

  • Wormseed (Chenopodium ambrosioides)

Wormseed is known for its properties to get rid of hookworms and wound. It can cause toxic effects for kidneys and liver. The severe reactions can be the suppression of heart function and nervous breakdown.

  • Wormwood (Artemisio absinthium)

This oil has thujone as its active ingredient, which can cause neuro problems and seizures. The consumption of wormwood arise visual and auditory problems or some other unpleasant side effects.

Sumedha Rewar
Sumedha Rewar
Sumedha Rewar is an expert in aroma-therapy and has experience in sharing valuable information for Reiki and Yoga articles as well. She is eager to know about the newest trends in the market and researching about them in the best way. Her experiments in essential oils with the scientific study have motivated her towards sharing the valuable information for the same.

2 thoughts on “Toxic Essential Oils NOT TO BE USED

  • August 31, 2017 at 2:01 pm

    Thank you for this, Sumedha. So very important to know. I recently heard of someone selling Wormwood essential oil to the unsuspecting public! The more this information is circulated, the better for everyone.

    • September 1, 2017 at 8:36 am

      Most Welcome Jessica.
      My aim of writing this article was to make people aware of the fact that they need to research well before purchasing or using any oil.

      Thanks a ton..!!

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