Sweeter than grapefru it, less acidic than lem on. A pillowy citrus zest — peeling a thick-skinned fru it the size of a cantaloupe, the spray from the rind coating your fingers in a bittersweet, almost floral oil.
Softer and rounder than grapefruit, less acid than lemon, more transparent than orange. The immediate impression is a clean, slightly sweet zest — picture the fine mist when you bend a thick piece of pomelo rind. Behind the limonene flash sits a bittersweet, almost candied-peel quality that grapefruit lacks. There is a faint floral whisper from the linalool fraction and a sulphurous grapefruit depth from the nootkatone, but both are subtle. If bergamot is a citrus wearing cologne, pomelo is one wearing nothing — just skin and pith.
Evolution over time
Immediately
Immediately
Clean, sparkling zest — limonene-dominant flash with a soft sweetness absent from grapefruit. Slightly candied pith.
After a few hours
After a few hours
The monoterpenes evaporate. What remains is the nootkatone signature: a bittersweet, grapefruit-adjacent dryness with a faint woody-vetiver undertone. Quieter than fresh grapefruit oil at the same stage.
After a few days
After a few days
Minimal residue from the natural oil on skin. On blotter, a faint waxy, slightly resinous trace persists — the sesquiterpene fraction (nootkatone, valencene) lingering after everything volatile has gone.
Terroir & Expressions
Indicative 2025 wholesale prices.
The Full Story
Pomelo peel oil is the quiet ancestor sitting behind grapefruit and most modern citrus accords. Obtained from the peel of Citrus maxima — one of the three progenitor species of the entire genus Citrus, alongside mandarin and citron — pomelo oil carries a softer, more transparent bitterness than grapefruit. Where grapefruit is sharp, sulphurous, almost dirty, pomelo stays clean. Where lemon is sour and electric, pomelo is round and pillowy. The dominant compound is limonene (22–88% depending on cultivar, ripeness, and terroir), but the character-impact molecule is nootkatone(CAS 4674-50-4), a sesquiterpene ketone detectable at 1 ppm in water. Pomelo peel contains nootkatone in higher concentrations than most citrus species, lending it a particular grapefru it-like backbone that persists well past the flash of the monoterpenes.
Origin and Terroir
Native to the Malay Archipelago, pomelo was one of the first citrus species cultivated — spreading through Southeast Asia, southern China, and eventually the Caribbean via Dutch and Portuguese traders. China and Thailand are the dominant producers today. The fruit thrives in tropical lowland to moderate altitude (0–1,500 m), and terroir measurably shifts the oil's composition: higher-altitude Indonesian fruit tends toward greener, more terpenic profiles, while Thai lowland varieties skew sweeter with higher limonene percentages. Other significant components include linalool (up to 7.5%), neral, geranial, and myrcene.
In the Formula
In practice, pomelo oil is less common than grapefruit or bergamot oil in finished formulas. Many perfumers reconstruct the pomelo effect using grapefruit oil extended with nootkatone, a touch of lemon terpenes, and a trace of green aldehydes for the pith note. As an expressed oil, pomelo contains furocoumarins and is subject to IFRA phototoxicity restrictions — a constraint that pushes modern formulation toward reconstituted accords or steam-distilled versions (which strip out the heavier furocoumarin molecules). CAS: 8016-20-4.
This note in Première Peau. Gravitas Capitale · Nuit Elastique · Rose Monotone. Sample all seven extraits in the Discovery Set.
Pomelo is one of only three ancestral species in the entire Citrus genus — alongside mandarin (C. reticulata) and citron (C. medica). Every other citrus fruit, from orange to lemon to lime, is a hybrid involving at least one of these three. The grapefruit specifically arose from a natural cross between pomelo and sweet orange, likely in Barbados around 1693–1750, which is why roughly 63% of the grapefruit genome traces back to C. maxima.
Extraction & Chemistry
Extraction method: Cold expression (pressing) of the fresh peel, identical in principle to other citrus oils. Yields approximately 0.9–2.7% w/w from the peel depending on cultivar, ripeness, and method. Steam distillation of the peel is also practiced — it produces a lighter oil with reduced furocoumarin content (furocoumarins are too heavy to volatilize in steam), which is why distilled pomelo oil carries no phototoxicity restriction. Cold-pressed oil retains the full spectrum of sesquiterpenes including nootkatone. Hydrodistillation yields vary: white pomelo ~1.1%, red pomelo ~1.0%.
Complex mixture — key compounds: limonene (C₁₀H₁₆, 22–88%), nootkatone (C₁₅H₂₂O, 0.02–5%), linalool (C₁₀H₁₈O, up to 7.5%), myrcene (C₁₀H₁₆), neral/geranial (C₁₀H₁₆O)
CAS Number
8016-20-4
Botanical Name
Citrus maxima
IFRA Status
Restricted (IFRA Std 089/091, Amendment 49). As an expressed citrus oil containing furocoumarins, pomelo peel oil is subject to phototoxicity limits: max 4% in leave-on products applied to sun-exposed skin. Total furocoumarin content (5-MOP/bergapten) must not exceed 15 ppm in the finished product. Steam-distilled pomelo oil is exempt from phototoxicity restrictions due to negligible furocoumarin carryover.
Synonyms
pummelo, shaddock
Physical Properties
Odor Strength
Medium
Lasting Power
2–4 hours (bulk oil on skin). Nootkatone fraction: >200 hours on blotter.
Appearance
Colorless to pale yellow mobile liquid
Specific Gravity
0.843–0.857 @ 25°C
Refractive Index
1.472–1.476 @ 20°C
In Perfumery
A top note modifier and opener. Pomelo functions as a lighter, cleaner alternative to grapefru it in hesperidic and eaux fraîches compositions — less aggressive, less sulphurous, but with enough nootkatone backbone to avoid the generic flatness of sweet orange. In cologne structures, it provides a gentler launch than bergamot without sacrificing the bitter-zest quality that gives citrus accords their architecture. Used in modern transparent florals, citrus-aquatic blends, and clean masculine openings. Nootkatone (CAS 4674-50-4) is the key character-impact molecule — a sesquiterpene ketone with 236-hour substantivity at 20% in DPG, far outlasting the volatile limonene that dominates the bulk of the oil. Perfumers seeking the pomelo effect without phototoxicity constraints often rebuild it synthetically using nootkatone, limonene fractions, and traces of cis-3-hexenol for the green-pith quality.
