Bitter Orange (Citrus aurantium) is a citrus essential oil with a sharp, green aroma and a top note. Cold press from fruit peel, it is a versatile blending oil that pairs well with Lavender, Neroli, Frankincense (Carterii). For topical use, keep dilution at or below 1.25%.
Bitter Orange (Citrus aurantium) is a citrus essential oil, cold-pressed from the fruit peel, produced in Italy and Tunisia. Its aroma is sharp, green, sitting as a top note in a blend. It's commonly paired with Lavender, Neroli, Frankincense (Carterii), Petitgrain. Keep topical use at or below 1.25%. It is noted for phototoxic. Always patch-test first.
Aroma & character
Aroma
Traditional aromatherapy associations
Traditional associations only — not medical claims or evidence of efficacy.
Properties
| Perfumery note | Top |
| Aroma family | Citrus |
| Chemical family | Monoterpene |
| Material type | Essential oil |
| Extraction | Cold press |
| Plant part | fruit peel |
| Origin | Italy, Tunisia, Egypt |
| Blending factor | 7 |
| Volatility index | 1 |
| Tenacity (hours) | 0.5 |
Safety & dilution
| Max topical dilution | 1.25% |
| Max facial dilution | 1% |
| Pregnancy | No specific caution recorded |
| Nursing | Generally suitable when properly diluted |
| Children | Generally suitable, well diluted (from ~2 years) |
| Cats | Not recommended |
| Dogs | Generally suitable when properly diluted |
| Phototoxic limit | 1.25% |
Safety flags
Evidence: Traditional — EODB: 2 GC-MS analyses (Citrus aurantium).
For education only — not medical or veterinary advice. Essential oils are not intended to diagnose, treat, cure, or prevent any condition. Always patch-test and consult a qualified professional before use during pregnancy, on children, with pets, or with a health condition.
Not sure how much to use? Try the free dilution calculator.
Blends well with
Frequently asked questions
What does Bitter Orange smell like?
Bitter Orange has a sharp, green aroma, classed as a citrus oil with a top note.
What is the safe dilution for Bitter Orange?
For topical use, keep Bitter Orange at or below 1.25%, and 1% on facial skin. Always patch-test before wider use.
Is Bitter Orange safe to use during pregnancy?
Our dataset records no specific pregnancy caution for Bitter Orange. That is not the same as it being established as safe — always consult a qualified healthcare provider before using any essential oil during pregnancy.
Is Bitter Orange safe to use around children?
Bitter Orange is generally considered suitable for children when well diluted (from around 2 years old). Consult a professional for young children.
Is Bitter Orange safe around pets?
For cats — avoid; not considered safe; dogs — generally lower-risk when well diluted. Diffuse only in ventilated spaces and consult a veterinarian.
What does Bitter Orange blend well with?
Bitter Orange pairs well with Lavender, Neroli, Frankincense (Carterii), Petitgrain, Ylang Ylang (Complete).