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Hedirosa

Q: Is Hedirosa natural or synthetic?

. Extraction: Fully synthetic. Chemical synthesis in the methyl dihydrojasmonate family..

FLOWERS / floral · citrus · fruity

Hedirosa

Category	FLOWERS
Subcategory	floral · citrus · fruity
Origin
Volatility	Heart Note
Botanical	N/A — synthetic (methyl dihydrojasmonate type)
Appearance	Colorless to pale yellow liquid
Odor Strength	Medium
Producing Countries	Manufactured globally
Pyramid	Heart

A Hedione-family molecule with rose-green qualities. Transparent, luminous, jasmine-rose bridge.

Scent
The Full Story
Fun Fact
Extraction & Chemistry
In Perfumery

Scent

Transparent, luminous, and green-rosy. Like Hedione with a rose garden lean instead of jasmine. Airy and diffusive rather than concentrated. At high dose, it creates an almost visible brightness around a composition -- radiance made olfactory. Greener and more vegetal than standard Hedione.

Evolution over time

Immediately

Bright green-rose transparency, airy radiance

After a few hours

Luminous diffusive halo, soft floral shimmer

After a few days

Faint clean radiance, rapidly dissipating

The Full Story

Hediros a belongs to the Hedione family -- derivatives of methyl dihydrojasmonate that add transparency, luminosity, and diffusi on to compositions. Where standard Hedione leans jasmine-citrus, Hediros a introduces rose-green qualities, creating a bridge between jasmine transparency and rose freshness.

The molecule inherits Hedione's signature properties: notable diffusion, low tenacity on skin but strong sillage, and the ability to make other materials smell brighter and more radiant. The rose-green modification gives it a slightly different application window -- useful in rose-forward compositions where standard Hedione's jasmine character might compete.

Like all Hedione-type materials, Hedirosa is most effective at relatively high concentrations (5-20%), where it creates a luminous halo around the composition rather than asserting its own identity.

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

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Did You Know?

Did you know?

Hedione-type molecules are among the few fragrance ingredients proven to activate both olfactory and pheromone-processing brain regions. A 2015 study in NeuroImage found that Hedione stimulated the hypothalamus via the VNO pathway -- a response not triggered by other odorants.

Extraction & Chemistry

Extraction method: Fully synthetic. Chemical synthesis in the methyl dihydrojasmonate family.

Molecular Formula	C₁₁H₂₂O
CAS Number	40596-76-7
Botanical Name	N/A — synthetic (methyl dihydrojasmonate type)
IFRA Status	No known restrictions
Physical Properties
Odor Strength	Medium
Appearance	Colorless to pale yellow liquid
Boiling Point	280°C @ 760 mmHg (est)
Flash Point	>200°F (>93°C)
Specific Gravity	0.960 to 0.975 @ 25°C

In Perfumery

Hedirosa functions as a diffuser, brightener, and rose modifier. Used at high concentrations (5-20%) to add luminosity and projection to rose, green, and fresh compositions. Its rose-green character makes it a complement to natural rose absolute, where it adds modern transparency to the absolute's density.