Fennel Essential Oil

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Fennel essential oil is extracted from Foeniculum vulgare var. dulce, which is sweet fennel (also known as F. officinale, F. capillaceum and Anethum foeniculum) of the Umbelliferae (Apiaceae) family and is also known as fenkel and Roman fennel.

This essential oil is used in aromatherapy to boost your courage, resolve and strength in the face of adversity, while helping a huge array of digestive problems, fighting obesity, clearing an oily skin and fighting wrinkles.

Oil properties

Fennel oil has a herby, slightly spicy smell, much like aniseed and it is clear in viscosity.

Origin of Fennel

The name is from the Latin word ‘foenum’ which means ‘hay’. It grows up to 2 meters (6 feet) in height and is a biennial or perennial herb, with green feathery leaves and golden yellow flowers, that bees like.

In Medieval times it was known as ‘Fenkle’ and was a very popular herb with the ancient Chinese, Egyptians and Romans, who believed it conveyed longevity, courage and strength, as well as warding of spirits. Not only did they use it to strengthen eyesight, but they also used it for snakebites, colic and to rid dogs of fleas.


Sweet fennel oil (the one we sell) is extracted from crushed seeds by steam distillation and yield 2 – 4 %.

Bitter fennel oil, not used for aromatherapy, is extracted from the crushed seeds and/or the whole herb of the Foeniculum vulgare var. amara plant.

Chemical composition

The main chemical components of fennel oil are a-pinene, myrcene, fenchone, trans-anethole, methyl chavicol, limonene, 1,8-cineole and anisic aldehyde.


Sweet fennel oil is  powerful and shouldn’t be used in large doses, as it may have a narcotic effect. It should be avoided altogether in pregnancy and cases of epilepsy.

It contains high amounts of trans-anethole and for that reason people with estrogen linked cancers, as well as breast-feeding mothers, pregnant women and women suffering from endometriosis should rather avoid it.

Bitter fennel (not sold by us) is not used in aromatherapy and should not applied to the skin at all.

Therapeutic Properties

The therapeutic properties of fennel oil are aperitif, antiseptic, antispasmodic, carminative, depurative, diuretic, emmenagogue, expectorant, galactagogue, laxative, stimulant, stomachic, splenic, tonic and vermifuge.


Fennel oil is a remedy for digestive complaints such as flatulence, constipation, colic, nausea, vomiting, anorexia, dyspepsia and hiccups. It is also used in cases of obesity, as it promotes that ‘full feeling’ and has a diuretic effect that helps to disperse cellulite.

For the mind, it adds courage and strength in the face of adversity. It has a cleansing and toning effect on the skin, helping with bruises, sorting out overly oily skin and to fight wrinkles in more mature complexions (possibly due to the estrogenic properties of the oil).

It has a toning effect on the spleen and liver, that helps with the results of excess drink and food. It is also used for increasing insufficient milk in nursing mothers – but for boosting breast milk, rather use the fresh herb, since the oil contains very high concentrations of trans-anethole.


Fennel oil’s greatest benefits lie in its easing of the digestive system, helping with obesity and toning the skin.

  • Burners and vaporizers
    • In vapor therapy, fennel oil is used as an appetite stimulant in cases of anorexia, and to boost courage and strength in the face of adversity.
  • Blended massage oil or in the bath
    • Fennel oil can be used as a blended massage oil or diluted in the bath for helping to fix a bloated stomach, excess wind, colic, constipation and other digestive problems. It also acts as a diuretic, to remove excess water and to start breaking down cellulite.
  • Creams and lotions
    • Used in a base cream or lotion, fennel oil can be helpful for general skin care and especially for dispersing bruises, livening a dull complexion, clearing an oily skin and fighting wrinkles in mature skins. It is also useful for removing cellulite, to fight rheumatism and helps with edema.

More information about Fennel Oil

Skin Care ~ recommended for treating dull, oily & mature skin types ~ fights fine lines & wrinkles ~ cleansing & toning effect

Digestive System ~ helps with weight loss ~promotes a ‘full feeling’ & contains diuretic properties ~ excellent for treating constipation, flatulence & other digestive problems ~ recommended for peptic discomforts & feelings of fullness, nausea & vomiting

Genito-Urinary System ~ helps increase urination ~ helps lose fat & weight ~ promotes digestion ~ removes toxins & excess water & reduces swelling

Immune System ~ antiseptic properties ~ helps treat wounds, bruises ~ boosts & strengthens immunity

Lymphatic System ~ decongestant ~ assists the body to eliminate toxins ~ used to treat fluid retention, cellulite & obesity

Nervous System ~ has a calming & strengthening effect ~ mental & emotional states ~stimulates the brain & nervous system, helps to overcome fatigue, dizziness & depression

Reproductive System ~ can assist with painful & irregular menstruation ~ supports feelings of well-being during the menstrual cycle ~.helps with headaches, dizziness & mood swings ~ & to prevent untimely or premature menopause ~ lactating mothers ~ can increase milk flow

Respiratory System ~ anti-spasmodic & expectorant ~ recommended for bronchial asthma, wheezing & asthmatic breathing in any condition & catarrh of the upper respiratory tract ~ defends against coughs & colds

Urinary System ~ used for the treatment of urinary tract infections ~ diuretic properties

Emotional ~ Spiritual ~ enlivens & comforts ones soul ~ helps us ground to mother earths energy ~ closely related to the earth element & the intellect ~ brings clarity ~ helps for those who over-think & over-analyse ~ used in times of psychic attack ~ purifies & protects ~ promotes courage & is balancing ~ helps those that are challenged by weight fluctuations which may have be caused by feeling unloved, not worthy to accept love or not being able to love oneself

Blends Well With ~ Basil, Bergamot, Cedarwood, Clary Sage, Cypress, Geranium, Grapefruit, Juniper Berry, Lavender, Lemon, Lemon Balm, Lemongrass, Lemon Myrtle, Melissa, Peppermint, Rose, Rose Geranium, Rosemary, Sage, Sandalwood, Spearmint

Safety ~ Non-toxic, non-irritant & non-sensitising ~ recommended to avoid during pregnancy & infants & toddlers ~ during breast feeding & cases of epilepsy

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