Lemon Verbena (Aloysia citrodora)
A vibrant, lemony floral-herb oil used for uplifting diffuser blends and as a fragrant note in DIY skin-care recipes.
How to use it
3–5 drops for a vibrant sweet-lemon scent that layers well with florals.
Dilute to 1–2% in a carrier oil and patch-test before use on sensitive skin.
Safety in detail
- Max dermal use
- Very low — flagged for both phototoxicity and citral sensitisation
- Phototoxic
- Yes — avoid UV after topical use
- Lemon verbena is flagged as both phototoxic and a citral sensitiser — safety references recommend very low dilution and avoiding sun/UV on treated skin.
- Best used mainly in diffusion; keep leave-on skin use minimal and patch-test.
- Keep out of reach of children.
Sources: JEOR study (2008)
Composition & chemistry
- Geranial (citral a) 18%
- Neral (citral b) 14%
- Limonene 12%
- 1,8-Cineole 6%
- β-Caryophyllene 6%
- Spathulenol 4%
- Other minor constituents 40%
- Citral (geranial + neral) — the lemony aldehyde pair central to lemon verbena's aroma — and the main constituent behind its skin-sensitisation caution JEOR study (2008)
Steam-distilled lemon verbena (Aloysia citriodora, syn. Lippia citriodora); a citral-rich oil with limonene and its own complex bouquet.
Source: JEOR study characterising lemon verbena oil (2008)Sweeter and more floral than true lemon oil, with an almost candy-like lemon-verbena note.
What the research says
An honest read of the published research — what has actually been studied, at what stage. Not medical advice or a promise of results.
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Lemon verbena oil has been characterised chemically and studied for antioxidant and antimicrobial activity in the laboratory. Its citral content and phototoxicity flag mean caution, not a health endorsement.
JEOR study (2008)
Evidence & sources
Peer-reviewed research on Lemon Verbena's chemistry and safety. These describe composition and documented effects — not health or treatment claims.
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Lemon verbena is a citral-rich oil (with limonene and a broad sesquiterpene bouquet) prized for its true, rounded lemon aroma.
JEOR study (2008)
Frequently asked questions
Is lemon verbena oil phototoxic?
Yes — safety references flag genuine lemon verbena oil as phototoxic, so avoid sun and UV on treated skin and keep leave-on use to very low dilutions. Diffusing carries no phototoxic risk. JEOR study (2008)
Is true lemon verbena oil common?
Genuine lemon verbena is low-yielding and expensive, so it's often adulterated or substituted with cheaper lemongrass/citronella. Buy from a trusted source and check the botanical name (Aloysia citriodora). JEOR study (2008)
How is it different from lemon myrtle?
Both are citral-rich and lemony, but lemon verbena has a softer, more rounded, complex bouquet and lower total citral than lemon myrtle — and unlike lemon myrtle it's also flagged as phototoxic. JEOR study (2008)
Gallery
Lemon Verbena (Aloysia citrodora) is steam-distilled from the leaves of a South American shrub, native to Argentina and Chile, that Spanish colonizers brought back to Europe in the 18th century, where it became a fixture of French and English herbal tradition — the dried leaves are still a common addition to herbal teas and desserts today.
Aroma character
Sweeter and more floral than true lemon oil, though it shares the same bright citrus backbone — a distinctive, almost candy-like lemon-verbena note that’s instantly recognizable to anyone who has grown the plant or steeped its leaves for tea.
In the diffuser
3–5 drops gives a vibrant, sweet-lemon scent that layers well with florals like geranium or ylang ylang, softening what would otherwise be a purely sharp citrus top note.
On skin
Dilute to 1–2% in a carrier oil. Like many lemon-scented oils, it can be a mild skin sensitizer for some people due to its citral content, so patch-test first, especially before use on sensitive or sun-exposed skin.
What pairs well
Its sweet-floral citrus profile complements geranium, ylang ylang, and other florals particularly well, alongside standard citrus partners like bergamot.
Sourcing note
This is a genuinely low-yield oil — the plant produces very little essential oil per harvest compared to citrus peels or common herbs, which is reflected in its price relative to true lemon or lemongrass oil.