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%.
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 | Generally suitable when properly diluted |
| Nursing | Generally suitable when properly diluted |
| Children | Generally suitable, well diluted (from ~2 months) |
| 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 essential oil 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?
Bitter Orange is generally considered suitable during pregnancy when properly diluted. Always consult a qualified healthcare provider before use.
Is Bitter Orange safe to use around children?
Bitter Orange is generally considered suitable for children when well diluted (from around 2 months). 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).