In short
Lemon myrtle CO2 extract is taken from the leaves of the Australian lemon myrtle. It is intensely lemony, fresh, sweet and spritzy, with a lime note.
What Lemon Myrtle CO2 Extract smells like
Hermitage Oils calls its organic lemon myrtle CO2 extract more lemony than lemon, cheerful and invigorating, with an intensely powerful fresh, sweet, spritzy lemon and lime bouquet. Aftelier Perfumes says it smells like gorgeous sweet lemon, fresh, clean and bright.
- Leading note
- Sweet lemon
- Supporting facets
- Lime
- Faint facets
- Green
- Character
- Bright, sparkling
What makes Lemon Myrtle CO2 Extract distinctive
Lemon without the peel's bitterness: sweet and spritzy, like sherbet.
How Lemon Myrtle CO2 Extract is used
Used for a bright, sweet lemon top note in citrus, cologne and fresh accords.
Typical role: modifier (used in small amounts to change the character of a blend).
How Lemon Myrtle CO2 Extract differs from similar materials
- Lemon Myrtle Oil
- The distilled oil is the familiar sharp lemon-verbena-like note; the CO2 extract is described as brighter, sweeter and more spritzy, lemon and lime.
Each difference compares the published descriptions of the two materials. Smell varies with grade, supplier and dilution; compare them side by side on blotters before substituting one for another.
Formulation considerations
No CAS number specific to the CO2 extract was confirmed. It is citral-rich, like the distilled oil.
Identity and classification
- Type
- CO2 extract
- Origin
- Natural
- Odour family
- Citrus / Green
- Note position
- Top note
- Physical form at room temperature
- Liquid
- Also known as
- Lemon myrtle CO2
- Botanical source
- Backhousia citriodora F.Muell.
No CAS number is shown: suppliers use different identifiers for this material, and none could be confirmed as its own.
Safety and compliance
This page is general information, not a safety assessment or a specification. Confirm identity, composition, IFRA status and allergen content from your supplier's documents for the lot you hold.
Materials it works with
Used in formulas and accords
Used in 2 published formulas
Lemon Myrtle CO2 Extract is an ingredient in 2 perfume formulas in the Formula & Accord Library.
Community formulas
RUŌOD House Originals
Original compositions by RUŌOD House.
Further reading
Questions about Lemon Myrtle CO2 Extract
Is Lemon Myrtle CO2 Extract natural or synthetic?
Lemon Myrtle CO2 Extract is natural. It is an extract obtained from plant material with carbon dioxide under pressure (supercritical or subcritical), with no solvent left behind.
Which published formulas use Lemon Myrtle CO2 Extract?
Lemon Myrtle CO2 Extract is used in 2 published formulas in the RUŌOD Lab Formula & Accord Library: 1882 Naturals and Sherbet Satellite. Each is listed with a link under "Used in formulas and accords" on this page.
Sources
- Hermitage Oils — Lemon Myrtle CO2 Organic (Select) — distributor's description.
- Aftelier Perfumes — Lemon Myrtle CO2 Extract — distributor's description.
- Olfactory profile: the RUŌOD Lab team's synthesis of the published descriptions above, reviewed 26 October 2026. Evidence: more than one published description. Classification and the short description: revision 1. Descriptions of odour are judgement, not measurement.






