Royal Hawaiian Sandalwood

Santalum paniculatum

Chemotype: alpha-santalol / beta-santalol type

sweetwoodyfloralbalsamicmilky

PLANT PART: heartwood
EXTRACTION: steam distillation
AROMA NOTE: base

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What’s inside this oil?

Constituents are the natural chemicals that give an oil its character. See the main ones, learn what they do, and explore differences between batches.

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FOLLOW YOUR SENSES

Aroma & character

A closer look at this oil's scent, strength, and staying power.

sweetwoodyfloralbalsamicmilky

Aroma intensity: 45 / 100

Soft & subtleBold & expressive

Note layer: base

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A LITTLE CARE GOES A LONG WAY

Using it thoughtfully

Read the full safety context before bringing this oil into your routine.

Cited dermal maximum · leave-on: 2%
Phototoxicity: Not flagged in this profile
Oxidation risk: low

A cited maximum is a limit, not a suggested dilution. Missing restrictions do not establish safety.

No phototoxic furocoumarin restriction was identified in the reviewed public sources for steam-distilled Royal Hawaiian sandalwood oil.

Read the complete safety guide

Explore measured chemistry from supplier batches

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THE SCIENCE BEHIND THE SCENT

Inside the oil

9 constituents

An oil's character comes from its natural chemical composition. Explore each constituent to understand the connections.

About this composition

This record is anchored to the open 2014 Natural Product Communications paper that analyzed four commercial Santalum paniculatum oils from Hawaii, including oil A traded as Royal Hawaiian Sandalwood oil by Haloa Aina LLC. Across those Hawaiian samples, the profile is consistently santalol-rich, led by (Z)-alpha-santalol and (Z)-beta-santalol with recurrent nuciferol, trans-alpha-bergamotol, epi-beta-santalol, lanceol, and santalal support.

Constituent	Typical amount	Reported range	Chemical family	Source
(Z)-alpha-Santalol	38.2%	34.5–40.4%	sesquiterpene alcohol	View source Hawaiian Sandalwood: Oil Composition of Santalum paniculatum and Comparison with Other Sandal Species https://journals.sagepub.com/doi/pdf/10.1177/1934578X1400900936 (Table 2, S. paniculatum row 11: (Z)-alpha-Santalol >34.5 and text lines 75-76 reporting 34.5-40.4%)
(Z)-beta-Santalol	13.8%	11–16.2%	sesquiterpene alcohol	View source Hawaiian Sandalwood: Oil Composition of Santalum paniculatum and Comparison with Other Sandal Species https://journals.sagepub.com/doi/pdf/10.1177/1934578X1400900936 (Table 2, S. paniculatum row 14: (Z)-beta-Santalol 11.0-13.8; text lines 77-80 reporting 11.0-16.2%)
(Z)-Nuciferol	5.2%	3.3–6.7%	sesquiterpene alcohol	View source Hawaiian Sandalwood: Oil Composition of Santalum paniculatum and Comparison with Other Sandal Species https://journals.sagepub.com/doi/pdf/10.1177/1934578X1400900936 (Table 2, S. paniculatum row 20: (Z)-Nuciferol 3.3-5.2; text lines 78-80 reporting 3.3-6.7%)
(Z)-trans-alpha-Bergamotol	3.9%	3.2–4.8%	sesquiterpene alcohol	View source Hawaiian Sandalwood: Oil Composition of Santalum paniculatum and Comparison with Other Sandal Species https://journals.sagepub.com/doi/pdf/10.1177/1934578X1400900936 (Table 2, S. paniculatum row 10: trans-alpha-Bergamotol >3.8; text lines 78-80 reporting 3.2-4.8%)
epi-beta-Santalol	3.8%	2.6–4.2%	sesquiterpene alcohol	View source Hawaiian Sandalwood: Oil Composition of Santalum paniculatum and Comparison with Other Sandal Species https://journals.sagepub.com/doi/pdf/10.1177/1934578X1400900936 (Table 1 row 72: epi-beta-Santalol 3.8/2.6/4.2/3.4 across the four oils; Table 2 row 13 for S. paniculatum 2.6-3.8%)
(Z)-Lanceol	3.3%	1.9–4.6%	sesquiterpene alcohol	View source Hawaiian Sandalwood: Oil Composition of Santalum paniculatum and Comparison with Other Sandal Species https://journals.sagepub.com/doi/pdf/10.1177/1934578X1400900936 (Table 1 row 79 and Table 2 row 18: (Z)-Lanceol 1.9-3.3 for S. paniculatum, with text lines 79-80 reporting 2.0-4.6% across the four oils)
(Z)-beta-Curcumen-12-ol	2.2%	1.6–3.4%	sesquiterpene alcohol	View source Hawaiian Sandalwood: Oil Composition of Santalum paniculatum and Comparison with Other Sandal Species https://journals.sagepub.com/doi/pdf/10.1177/1934578X1400900936 (Table 1 row 78, oil A = 2.2%; Table 2 row 17 S. paniculatum range 1.6-2.2%)
(2E,6E)-Farnesol	1.3%	0.4–1.5%	sesquiterpene alcohol	View source Hawaiian Sandalwood: Oil Composition of Santalum paniculatum and Comparison with Other Sandal Species https://journals.sagepub.com/doi/pdf/10.1177/1934578X1400900936 (Table 1 row 66, oil A = 1.3%; text lines 100-102 reporting 1.0-1.5% range across A/B/D and 0.4% for C)
alpha-Santalene	0.6%	0.2–0.6%	sesquiterpene hydrocarbon	View source Hawaiian Sandalwood: Oil Composition of Santalum paniculatum and Comparison with Other Sandal Species https://journals.sagepub.com/doi/pdf/10.1177/1934578X1400900936 (Table 1 row 12, oil A = 0.6%; Table 2 row 1 S. paniculatum 0.6%)

Profile source: Hawaiian Sandalwood: Oil Composition of Santalum paniculatum and Comparison with Other Sandal Species; Indian Sandalwood Essential Oil: Benefits, Uses & Insights; Sandalwood, Royal Hawaiian - Organic EO · https://journals.sagepub.com/doi/pdf/10.1177/1934578X1400900936 ; https://www.aromaweb.com/essential-oils/sandalwood-essential-oil.php ; https://www.edenbotanicals.com/sandalwood-royal-hawaiian.html

A TRADITION OF BOTANICAL CURIOSITY

Traditional & reported uses

These uses reflect the profile's reported traditions and literature. They are not established treatment recommendations.

traditionally used in aromatherapy for grounding, meditative, and calming effects
reported to support restful sleep in evening blends
used in perfumery as a smooth, woody base note similar to other Santalum species
traditionally associated with skin-care blends for its soothing reputation
used in massage blends to support a relaxed, centered mood

For aromatherapy and wellness use only — not medical advice. Effect statements are traditional/reported associations, not treatment claims. The Synergy Rating scores blend craft, harmony and safety, not medical efficacy. Read the safety framework.

What we're still learning · 3 data gaps

Good decisions start with knowing what is — and isn't — in the evidence.

The public chemistry paper confirms this exact species and Royal Hawaiian trade material, but the public 2% dermal maximum comes from AromaWeb's sandalwood safety summary citing Tisserand and Young for sandalwood oil generally rather than a species-specific Santalum paniculatum monograph.
Odor intensity 45 is an archive normalization based on the paper's odor evaluation describing the oil as slightly weaker than East Indian sandalwood and Eden Botanicals' description of a rich, full-bodied aroma, not a native 0-100 lab metric.
No public source reviewed in this pass published verified volatility-rate or tenacity-hour figures for Royal Hawaiian sandalwood oil.