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Neem

GREENS, HERBS AND FOUGERES  /  woody · earthy · bitter
Neem
Neem perfume ingredient
CategoryGREENS, HERBS AND FOUGERES
Subcategorywoody · earthy · bitter
Origin
VolatilityHeart Note
BotanicalAzadirachta indica
Appearancepale brown liquid
Odor StrengthMedium
Producing CountriesIndia, Myanmar, Sub-Saharan Africa
PyramidHeart

Pungent, bitter, and sulfurous. Neem oil smells like garlic crossed with burnt peanuts — a challenging material that is more functional than beautiful, used in trace amounts for its animalic depth.

  1. Scent
  2. Terroir & Origins
  3. The Full Story
  4. Fun Fact
  5. Extraction & Chemistry
  6. In Perfumery

Scent

Intensely pungent, sulfurous, and bitter. In concentration: garlic, burnt peanuts, and a sharp, almost toxic green bitterness. At extreme dilution (0.01% or less), the sulfurous edge recedes and a curious fatty-animalic quality emerges — not unlike certain civet or castoreum qualities.

Not comparable to any pleasant perfumery material at full strength. The closest reference might be heavily diluted sulfurol or certain allyl sulfide compounds.

Evolution over time

Immediately

Immediately

Intensely sulfurous, garlicky, bitter green pungency
After a few hours

After a few hours

Fatty-animalic undertone emerges as sulfur compounds dissipate
After a few days

After a few days

Faint, fatty residue — less offensive but still challenging

Terroir & Transformation

Indicative 2025 wholesale prices.

The Full Story

Neem (Azadirachta indica) is a fast-growing tropical tree native to the Indian subcontinent. The oil pressed from its seeds is a pungent natural materials available — intensely bitter, sulfurous, and garlicky, with an underlying fatty-nutty character.

The scent of neem oil is driven by sulfur compounds, various limonoids (including azadirachtin), and fatty acid components. The combination is deeply unpleasant to most Western noses in concentration, but at extreme dilution, neem can contribute a curious animalic depth — a sense of biological rawness that no synthetic can easily replicate.

In traditional Indian and Southeast Asian perfumery and medicine, neem has been used for millennia. The tree is sometimes called the 'village pharmacy' for its range of bioactive properties. In Western perfumery, neem is essentially absent from commercial formulations but appears occasionally in avant-garde or concept-driven work.

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

Related: Alder · Alpha Humulene · Amaranth · Amberever · Ambramone · Amburana Bark · Antillone · Apple Tree

Did You Know?

Did you know?
A single mature neem tree can produce 30-50 kg of fruit per year, and its leaves, bark, and seeds contain over 140 identified bioactive compounds — more than almost any other plant species studied for pharmaceutical potential.

Extraction & Chemistry

Extraction method: Cold pressing of neem seeds (Azadirachta indica). The seeds contain 40-50% oil by weight. Industrial extraction uses hexane solvent for higher yields. The oil is thick, dark, and strongly odorous. Steam distillation of neem leaves produces a lighter, less offensive oil that is occasionally used in aromatherapy.

↑ See Terroir & Origins for origin-specific methods.

Molecular FormulaComplex mixture (azadirachtin C₃₅H₄₄O₁₆, nimbin C₃₀H₃₆O₉)
CAS Number8002-65-1
Botanical NameAzadirachta indica
IFRA StatusNo known restrictions
SynonymsINDIAN LILAC · NIMTREE
Physical Properties
Odor StrengthMedium
Appearancepale brown liquid
Flash Point> 200 °F TCC (> 93 °C)
Specific Gravity0.908 to 0.934 @ 25 °C
Refractive Index1.462 to 1.473 @ 25 °C

In Perfumery

Neem has essentially no role in mainstream perfumery due to its overwhelming bitterness and sulfurous intensity. In trace amounts, it can function as an animalic modifier in experimental or avant-garde compositions. Its bioactive properties (insecticidal, antifungal) are far more commercially relevant than its scent. In functional fragrance (insect repellents, agricultural products), neem oil is used at higher concentrations where its scent is tolerated for utility.

From the raw to the worn

This is what it becomes.