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, keep Benzoin (Siam) at or below 2% and Copaiba at 3%.

AttributeBenzoin (Siam)Copaiba
Latin nameStyrax tonkinensisCopaifera officinalis
Aroma familyResinousResinous
Perfumery noteBaseBase
Aromasweet, warm, vanilla-like, balsamic, freshwarm, woody, balsamic, subtle
Chemical familyEsterSesquiterpene
Max topical dilution2%3%
Max facial dilution1%1%
PregnancyGenerally suitable (well diluted)Generally suitable (well diluted)
ChildrenGenerally suitable (well diluted)Generally suitable (well diluted)
PetsGenerally suitable (well diluted)Generally suitable (well diluted)
ExtractionSolvent extractionSteam distillation

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, keep Benzoin (Siam) at or below 2% and Copaiba at 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.