Benzoin (Siam) vs Copaiba
Benzoin (Siam) and Copaiba are both resinous essential oils. Benzoin (Siam) carries a base note (sweet, warm), while Copaiba sits as a base note (warm, woody). For topical use, Benzoin (Siam) tops out at 2%, while Copaiba tops out at 3%; everyday blends stay around 1–3%.
Benzoin (Siam) vs Copaiba at a glance
| Attribute | Benzoin (Siam) | Copaiba |
|---|---|---|
| Latin name | Styrax tonkinensis | Copaifera officinalis |
| Aroma family | Resinous | Resinous |
| Perfumery note | Base | Base |
| Aroma | sweet, warm, vanilla-like, balsamic, fresh | warm, woody, balsamic, subtle |
| Chemical family | Ester | Sesquiterpene |
| Max topical dilution | 2% | 3% |
| Max facial dilution | 1% | 1% |
| Pregnancy | No specific caution recorded | No specific caution recorded |
| Children | Generally suitable (well diluted) | Generally suitable (well diluted) |
| Pets | Generally suitable (well diluted) | Generally suitable (well diluted) |
| Extraction | Solvent extraction | Steam distillation |
Which should you choose?
Benzoin (Siam) leans sweet, warm, while Copaiba leans warm, woody — pick whichever aroma you want to lead the blend. For leave-on or sensitive-skin use, note that Benzoin (Siam) needs the tighter 2% topical limit.
Plan safe amounts with our essential oil dilution calculator.
Frequently asked questions
What's the difference between Benzoin (Siam) and Copaiba?
Benzoin (Siam) and Copaiba are both resinous essential oils. Benzoin (Siam) carries a base note (sweet, warm), while Copaiba sits as a base note (warm, woody). For topical use, Benzoin (Siam) tops out at 2%, while Copaiba tops out at 3%; everyday blends stay around 1–3%.
Can you blend Benzoin (Siam) and Copaiba together?
They can be combined, but Benzoin (Siam) and Copaiba aren't a classic pairing — start with small amounts and adjust to taste.
For education only — not medical or veterinary advice. Always patch-test and consult a qualified professional before use during pregnancy, on children, with pets, or with a health condition.