Basil (Sweet) (Ocimum basilicum) is a herbaceous essential oil with a fresh, herbal aroma and a heart note. Steam distillation from leaf, it is a versatile blending oil that pairs well with Lavender, Bergamot (FCF), Rosemary (Camphor ct.). For topical use, keep dilution at or below 1.5%.
Aroma & character
Aroma
Traditional aromatherapy associations
Traditional associations only — not medical claims or evidence of efficacy.
Properties
| Perfumery note | Heart |
| Aroma family | Herbaceous |
| Chemical family | Ether |
| Material type | Essential oil |
| Extraction | Steam distillation |
| Plant part | leaf |
| Origin | Egypt, India, Vietnam |
| Blending factor | 4 |
| Volatility index | 3 |
| Tenacity (hours) | 6.0 |
| CAS number | 8015-73-4 |
Safety & dilution
| Max topical dilution | 1.5% |
| Max facial dilution | 0.75% |
| Pregnancy | Not recommended |
| Nursing | Not recommended |
| Children | Not recommended for young children |
| Cats | Not recommended |
| Dogs | Generally suitable when properly diluted |
Safety flags
Evidence: Traditional — Mediterranean herbal tradition; Ocimum basilicum ethnobotanical review.
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
Used in these blends
Frequently asked questions
What does Basil (Sweet) essential oil smell like?
Basil (Sweet) has a fresh, herbal aroma, classed as a herbaceous oil with a heart note.
What is the safe dilution for Basil (Sweet)?
For topical use, keep Basil (Sweet) at or below 1.5%, and 0.75% on facial skin. Always patch-test before wider use.
Is Basil (Sweet) safe to use during pregnancy?
Basil (Sweet) is not recommended during pregnancy. Consult a qualified healthcare provider before any use.
Is Basil (Sweet) safe to use around children?
Basil (Sweet) is not recommended for young children. Consult a professional before use.
Is Basil (Sweet) 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 Basil (Sweet) blend well with?
Basil (Sweet) pairs well with Lavender, Bergamot (FCF), Rosemary (Camphor ct.), Lemon (Cold Pressed), Geranium.