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Frankincense Oil

Q: Is Frankincense Oil natural or synthetic?

. Extraction: Steam distillation of dried gum resin tears. The bark of Boswellia trees is scored with a mangaf (traditional tapping tool); the exuded oleogum-resin hardens over 10–14 days before collection. Yield: approximately 5–9% for B. carterii, up to 9–10% for B. sacra, depending on resin grade and moisture content. CO2 supercritical extraction captures heavier diterpenes (incensole, boswellic acids) that steam distillation volatilises poorly, producing a richer but less diffusive product. Solvent extraction of the crude gum yields a resinoid at roughly 60%. Major production regions: Somalia (Sanaag and Bari regions — up to 2,500 tonnes/year, representing roughly 90% of global supply from the Horn of Africa), Oman (Dhofar, Wadi Dawkah — UNESCO World Heritage Site), Ethiopia, Eritrea, and Yemen. Sustainability is critical: over-tapping reduces seed germination from 80% to 16%, and Dhofar populations have declined by an estimated 85%. Boswellia sacra is listed as Near Threatened on the IUCN Red List..

RESINS AND BALSAMS / resinous · incense · woody

Frankincense Oil

Category	RESINS AND BALSAMS
Subcategory	resinous · incense · woody
Origin
Volatility	Base Note
Botanical	Boswellia sacra Flück. (syn. Boswellia carterii Birdw.)
Appearance	Colorless to pale yellow liquid
Odor Strength	Medium
Producing Countries	Somalia, Oman, Ethiopia, Eritrea, Yemen, India
Pyramid	Base

Terpenic brightness collapsing into stone-cold resin. Frankincense smells like scraping dried sap off sun-bleached bark — lemon pith, chalk dust, and church smoke braided into a single, meditative thread.

Scent
Terroir & Origins
The Full Story
Fun Fact
Extraction & Chemistry
In Perfumery

Scent

Immediate impression: lemon rind and turpentine — clean, terpenic, almost sharp. Within minutes the resinous axis emerges: cool balsamic, mineral, faintly smoky. Drier than myrrh by a wide margin. Less cloying than benzoin. Closer to elemi in its citrus-resin duality, but with a stony, ecclesiastical gravity that elemi lacks. On skin the dry-down takes on a chalky, almost powdery quality — luminous rather than dark, cold rather than warm. Nothing else in the palette does exactly this.

Evolution over time

Immediately

Sharp terpenic burst — lemon pith, turpentine, alpha-pinene freshness. Clean and almost astringent.

After a few hours

Resinous balsamic heart. Cool mineral incense, chalk dust, faint smoke. The citrus fades; the stone remains.

After a few days

Dry woody-smoky residue. Powdery, luminous, cold. Persistent on fabric. Closer to cold ash than warm amber.

Grades & Aging

Indicative 2025 wholesale prices.

The Full Story

Steam-distilled from the hardened gum resin — the ‘tears’ — of Boswellia trees. The two principal commercial species are Boswellia carterii from Somalia and the Horn of Africa, and Boswellia sacra from the Dhofar region of Oman and Yemen. Recent chiral gas chromatography studies suggest these may in fact be chemically distinct species, not synonyms: the enantiomeric ratio of alpha-pinene differs by an order of magnitude between the two.

The oil opens with a sharp, almost citrus-like freshness. This is alpha-pinene — typically 30–40% of the carterii oil, accompanied by alpha-thujene, limonene, and myrcene. The heart shifts to a cool, balsamic corridor: drier than myrrh, less sweet than benzoin, more transparent than opoponax. The sacra oil tends richer, creamier, with higher incensole content — a cembranoid diterpene with documented anti-inflammatory properties. The dry-down is mineral, woody-smoky, and persistent: chalk and cold stone.

In modern composition, frankincense provides the ‘spiritual’ axis of incense accords. It functions simultaneously as a lifting agent (monoterpene volatility) and a fixative anchor (resinoid tenacity). It bridges citrus heads to woody-ambery bases without adding sweetness. The resinoid form — solvent-extracted at roughly 60% yield from crude gum — captures heavier boswellic acids and incensole that steam distillation misses, producing a darker, less diffusive but more tenacious extract. CO2 extraction sits between the two.

This note in Première Peau. Albâtre Sépia · Simili Mirage. Sample all seven extraits in the Discovery Set.

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Did You Know?

Did you know?

In a 2008 FASEB Journal study (Moussaieff et al.), incensole acetate — a diterpene isolated from Boswellia resin — was shown to activate TRPV3 ion channels in the mouse brain, producing anxiolytic and antidepressive effects. The effect was absent in TRPV3-knockout mice, confirming a receptor-specific mechanism. This remains one of the few demonstrated neurobiological pathways linking a ritual aromatic material to measurable psychoactive activity.

Extraction & Chemistry

Extraction method: Steam distillation of dried gum resin tears. The bark of Boswellia trees is scored with a mangaf (traditional tapping tool); the exuded oleogum-resin hardens over 10–14 days before collection. Yield: approximately 5–9% for B. carterii, up to 9–10% for B. sacra, depending on resin grade and moisture content. CO2 supercritical extraction captures heavier diterpenes (incensole, boswellic acids) that steam distillation volatilises poorly, producing a richer but less diffusive product. Solvent extraction of the crude gum yields a resinoid at roughly 60%. Major production regions: Somalia (Sanaag and Bari regions — up to 2,500 tonnes/year, representing roughly 90% of global supply from the Horn of Africa), Oman (Dhofar, Wadi Dawkah — UNESCO World Heritage Site), Ethiopia, Eritrea, and Yemen. Sustainability is critical: over-tapping reduces seed germination from 80% to 16%, and Dhofar populations have declined by an estimated 85%. Boswellia sacra is listed as Near Threatened on the IUCN Red List.

↑ See Terroir & Origins for origin-specific methods.

Molecular Formula	Complex mixture (no single formula)
CAS Number	8016-36-2
Botanical Name	Boswellia sacra Flück. (syn. Boswellia carterii Birdw.)
IFRA Status	No known restrictions
Synonyms	OLIBANUM · BOSWELLIA · INCENSE OIL
Physical Properties
Odor Strength	Medium
Lasting Power	188 hours at 100%
Appearance	Colorless to pale yellow liquid
Boiling Point	137.00 to 141.00 °C. @ 760.00 mm Hg
Flash Point	> 200.00 °F. TCC ( > 93.33 °C. )
Specific Gravity	0.85500 to 0.88000 @ 25.00 °C.
Refractive Index	1.46600 to 1.47700 @ 20.00 °C.

In Perfumery

Heart-to-base material that spans the entire fragrance pyramid. The high monoterpene fraction (alpha-pinene, limonene, thujene) gives initial lift and diffusion — almost top-note behaviour — while the resinous and diterpenoid constituents (incensole, boswellic acids) anchor the dry-down with fixative tenacity. Frankincense defines the incense accord in amber, chypre, and amber compositions. It functions as a structural bridge: cool enough to sit beside citrus, resinous enough to support woods and balsams, transparent enough not to compete with florals. Works with myrrh (warmth), labdanum (animalic depth), benzoin (sweetness), and sandalwood (creaminess). Iso E Super extends its woody-mineral quality; Cashmeran adds a musky warmth that complements its austerity.