Mustard Essential Oil: Properties, Uses, Composition and Safety

Oil Name: Mustard Essential Oil

Botanical Name: Brassica nigra

Oil Overview – Beware. Hazardous

Mustard essential oil is a hazardous oil because of its high content of allyl isothiocyanate. When mustard oil is inhaled, it produces an extremely unpleasant sensation in the occipital regions of the head and causes inflammation of the conjunctiva of the eyes and the mucus membranes of the respiratory system. When applied to the skin, it provokes a burning sensation and should never be used in aromatherapy.

Oil Sources

Mustard oil is extracted by the process of water distillation or steam distillation.

Essential or Carrier Oil?

Essential Oil

Chemical Content

Mustard oil is no less than 92% allyl isothiocyanate.



Detail of Warnings

Should not be used


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