Fennel ( sweet ) Seed Essential Oil Information Page

Sweet Fennel Essential Oil (Foeniculum vulgare dulce)

1. General Information
Attribute Details
INCI Name Foeniculum vulgare dulce (Sweet Fennel) Seed Oil
CAS Number 8006-84-6
SKU Code
Origin Hungary
Extraction Method Steam Distilled
Plant Parts Used Seeds
Common Names Sweet Fennel, Fenkel, Saunf, Finocchio, Florence Fennel
Quality 100% Pure and Organic Essential Oil


2. Physical Profile
Attribute Details
Appearance Colourless to pale yellow liquid
Aroma Distinctive anise/licorice-like fragrance, with herbal-camphor, lemony and spicy notes
Fragrance Note Middle to Top
Storage Store tightly sealed in a cool, dark place. If crystallization occurs, gently warm in water and shake to re-homogenize.


3. Chemical Composition
Component Percentage (%)
E-Anethole 79.68%
Limonene 4.64%
Alpha-pinene 4.10%
Methyl chavicol (Estragole) 3.04%
Fenchone (trace) 0.05%


4. Sweet vs Bitter Fennel
Type Composition Safe for Use?
Sweet Fennel Oil (Foeniculum vulgare var. dulce) Very low Fenchone (~0.05%) ✔ Used in aromatherapy and skincare
Bitter Fennel Oil (Foeniculum vulgare var. vulgare) High Fenchone (36–39.5%) ❌ Not sold for public use / not recommended for skin


5. Main Uses
Category Applications
Body & Wellness ✔ Appetite stimulant (+++)
✔ Digestive support (+++)
✔ Lactation support, post-birth (+++)
✔ Menopausal & mature skin care (++)
✔ Bruises & oedemas (++)
✔ Detox massage & recovery (++)
✔ Cellulite massage (++)
Emotional & Aromatic ✔ Relaxation, stress, and anxiety relief
✔ PMS & menstrual cramps
✔ Support during peri- and menopause
Home & Cooking ✔ Culinary (1 drop adds strong anise flavour)
✔ Natural perfumery (++)
✔ Insect repellent (moths, cockroaches, aphids)
✔ Atmospheric diffusion for appetite & calm


6. Application & Dilution
Method Dilution/Usage
Body Massage 1–6 drops in 10 ml carrier oil (0.5 – 2%)
Face Care 1–3 drops in 10 ml base/carrier (0.5 – 1%) for mature/“heated” skin
Diffusion Small amounts, short durations, best blended with other oils
Direct Steam/Inhalation ❌ Not recommended (may have sedative/narcotic effects in high doses)
Cooking 1 drop into oils/butters/sauces for flavour
Homecare On cloths, wood, sprays to repel insects


7. Key Therapeutic Properties
Property Strength
Antispasmodic +++
Galactagogue (milk support post-birth) +++
Appetite & Digestive stimulant +++
Anti-inflammatory +++
General tonic & stimulant +++
Analgesic/anaesthetic ++
Detoxifying/Purifying ✔ Laxative & Vermifuge
Antimicrobial ✔ Antibacterial, antifungal, antimicrobial
Insect Repellent ✔ Effective in blends/sprays


8. Blending Suggestions
Target Use Best Oils to Blend With
Digestion Basil
Cellulite/Detox Rose Geranium, Lemon
Relaxation Nutmeg, Cypress


9. Safety & Precautions
Warning Details
Pregnancy ❌ Contraindicated for entire pregnancy
Hormone-Sensitive Conditions ❌ Avoid with hormone-dependent cancers (breast, uterus, ovaries, etc.) due to oestrogen-like activity
Breastfeeding ✔ Short-term, well-diluted, post-birth only (consult medical staff first)
Thyroid Disorders ❌ Contraindicated in hypothyroidism (reduces thyroid activity)
Epilepsy ❌ Avoid
Skin Use Max 2% dilution, best used at night (can irritate/photosensitize)
Inhalation Direct steam NOT recommended
General Advice Do not use undiluted. Always consult professionals when unsure.


10. Further Resources