Complete Guide to Essential Oils/A to Z of essential oils/Fennel

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Fennel seeds
Fennel (Foeniculum vulgare)

Fennel oil comes from the seeds of the Foeniculum vulgare plant. It has an earthy, herby, spicy scent. It has an diuretic and stimulating effect.



Relieves indigestion, nausea, vomiting, flatulence and constipation. May cure hiccups.


Improves oily skin and the appearance of aging.


  • Don't use fennel oil during pregnancy.
  • Don't use fennel oil if you have epilepsy.
  • Fennel oil can have a narcotic effect.