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Humus Ether

Q: Is Humus Ether natural or synthetic?

. Extraction: Fully synthetic. Supplied at 50% in dipropylene glycol. 54% bio-based..

POPULAR AND WEIRD / synthetic · complex · particular

Humus Ether

Category	POPULAR AND WEIRD
Subcategory	synthetic · complex · particular
Origin
Volatility	Base Note
Botanical	N/A - synthetic molecule
Appearance	Colorless to pale yellow clear liquid
Odor Strength	Medium
Producing Countries	Synthetic — manufactured worldwide
Pyramid	Base

Petrichor in a bottle. Wet earth, morning dew, the first breath after rain hits dry soil.

Scent
The Full Story
Fun Fact
Extraction & Chemistry
In Perfumery

Scent

Intensely earthy and green. The impression is atmospheric rather than material -- you smell a forest after rain, not a specific ingredient. Mossy, damp, slightly mineral. More green and diffusive than geosmin (which is purely earthy-beetroot). Less heavy than patchouli earth, more alive and breathing.

Evolution over time

Immediately

Immediate petrichor, wet earth, green diffusion

After a few hours

Settled earthy-mossy warmth, forest floor

After a few days

Persistent earthy grounding, soft and naturalistic

The Full Story

It delivers a powerful, naturalistic earthy-green odor that captures the petrichor quality -- the smell of rain on dry earth -- with remarkable precision.

The molecule is 54% bio-based and is designed for use at trace levels, where it adds naturalness and diffusion to floral, green, and woody compositions. It is exceptionally potent: even small additions create a convincing impression of wet soil, damp forest floor, and morning dew.

Humus Ether occupies a rarefied niche in perfumery. While earthy notes are common in patchouli and vetiver, Humus Ether provides a distinctly different earthiness -- lighter, greener, more atmospheric. It smells like a place rather than a substance.

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Did You Know?

Did you know?

The 'petrich or' smell -- the particular scent of rain on dry earth -- is caused by a combination of geosmin (produced by soil bacteria), ozone, and plant oils released from dried vegetation. Humus Ether captures this atmospheric blend in a single molecule.

Extraction & Chemistry

Extraction method: Fully synthetic. Supplied at 50% in dipropylene glycol. 54% bio-based.

Molecular Formula	Complex mixture of aromatic ethers and phenols
CAS Number	28462-85-3
Botanical Name	N/A - synthetic molecule
IFRA Status	No known restrictions
Physical Properties
Odor Strength	Medium
Appearance	Colorless to pale yellow clear liquid

In Perfumery

Humus Ether functions as a trace modifier and naturalizer. Used at very low concentrations (0.01-0.5%) to add earthy, petrichor-like naturalness to floral, green, woody, and mossy compositions. Particularly effective in forest accords and rain-themed fragrances. Its stability makes it suitable for even aggressive media like acidic cleaners and antiperspirants.