Steam-distilled from the seeds of Coriandrum sativum. Sweet, warm and gently peppery with a soft fruity edge — a quietly beautiful oil and one of the easiest to like.
The seed is not the leaf — and this matters to a lot of people
If coriander leaf tastes of soap to you, that is a genuine genetic difference: a variant near the OR6A2 olfactory receptor gene makes certain aldehydes in the leaf smell like soap. It is not fussiness and you cannot train it away.
The seed contains none of those aldehydes. It is dominated instead by linalool — the same compound that gives lavender much of its character — which is why coriander seed oil is sweet, warm and floral rather than green and pungent. If you hate coriander leaf, you may well love this. They are effectively two different spices from one plant.
What an essential oil may and may not claim
Coriander seed oil is commonly sold as "a comforting oil for the digestion — diluted and massaged over the tummy it can help ease everyday indigestion and bloating", with a scent that "is said to whet the appetite", "valued for soothing frazzled nerves, lifting the mood and supporting focus", and "gentle enough to be a welcome part of an evening wind-down before sleep". None of that appears here.
Claims about digestion, appetite, nerves, mood, focus and sleep are health claims, and none is authorised in the EU for any essential oil. Note the phrase "is said to" — attributing a claim to hearsay does not make it permissible, and it usually signals that there is nothing behind it.
One of the gentler oils — but still an essential oil
Linalool-rich oils are among the better tolerated in aromatherapy, and coriander seed carries none of the phenol, ketone or aldehyde cautions that make some of its neighbours on this shelf demanding. That said:
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Dilute to one to two per cent in a carrier oil (6–12 drops in 30 ml). Never neat.
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Patch test and wait 24 hours. Linalool oxidises in air into hydroperoxides that are genuine contact allergens — which is why linalool is on the EU list of fragrance substances that must be declared on cosmetic labels. Fresh, well-stored oil is far less likely to irritate than an old one.
- Avoid in pregnancy and breastfeeding unless a health professional advises otherwise. Not for young children.
- Not around pets — cats especially.
What it is genuinely good for
Its smell, and its versatility. Coriander seed is a lovely thing in its own right and a superb blender — it warms a citrus blend without weighing it down, softens sharp herbs, and gives a spice note that is sweet rather than hot. It works beautifully with bergamot, sweet orange, petitgrain, lavender, cedarwood, ginger and cardamom, and it is a classic in men's fragrance.
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Diffusion: a few drops in a ventilated room, twenty to thirty minutes at a time.
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In a body oil: one to two per cent, once patch tested.
Safety — the essentials
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Never swallow essential oils without the direct supervision of a qualified health professional. A teaspoon of coriander seeds in a curry and a bottle of distilled oil are separated by a factor of hundreds.
- Keep out of reach of children, in the original bottle with the child-resistant cap.
- In eyes: flush with plain vegetable oil rather than water.
- Accident or swallowing: in Portugal call CIAV on 800 250 250 — free, 24 hours. In an emergency, 112.
Storage: cool, dark, tightly closed, upright.
Propos'Nature
Propos'Nature
Propos'Nature
Propos'Nature
