Benzoin (Siam) vs Frankincense (Carterii)

Benzoin (Siam) and Frankincense (Carterii) are both resinous essential oils. Benzoin (Siam) carries a base note (sweet, warm), while Frankincense (Carterii) sits as a base note (resinous, citrus-wood). For topical use, keep Benzoin (Siam) at or below 2% and Frankincense (Carterii) at 10%.

AttributeBenzoin (Siam)Frankincense (Carterii)
Latin nameStyrax tonkinensisBoswellia carterii
Aroma familyResinousResinous
Perfumery noteBaseBase
Aromasweet, warm, vanilla-like, balsamic, freshresinous, citrus-wood
Chemical familyEsterMonoterpene
Max topical dilution2%10%
Max facial dilution1%5%
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

Scale amounts to any container with the dilution calculator.

Frequently asked questions

What's the difference between Benzoin (Siam) and Frankincense (Carterii)?

Benzoin (Siam) and Frankincense (Carterii) are both resinous essential oils. Benzoin (Siam) carries a base note (sweet, warm), while Frankincense (Carterii) sits as a base note (resinous, citrus-wood). For topical use, keep Benzoin (Siam) at or below 2% and Frankincense (Carterii) at 10%.

Can you blend Benzoin (Siam) and Frankincense (Carterii) together?

Yes — Benzoin (Siam) and Frankincense (Carterii) are commonly paired and complement each other in blends.

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.