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In brief: Coriander essential oil smells herbal, spicy and slightly woody. It is among the gentlest of the spicy oils: Tisserand & Young list no known hazards for it. For an aroma lamp 2–4 drops are enough; on the skin it is diluted to 1–2%. Beware, the leaf oil and the seed oil each smell different.
| Latin name | Coriandrum sativum, coriander |
|---|---|
| Our oil | according to the product page from leaves (herb), steam distillation, France, BIO |
| Main components | leaf: aldehydes (E)-2-decenal, decanal; seeds: linalool predominates |
| Scent | herbal, woody, slightly piquant |
| On the skin | 1–2%: 2–4 drops per 10 ml, 6–12 drops per 30 ml |
| Safety | low risk, just dilute; cats and small children with caution |
Coriander is a plant with two faces. The green herb, which some love in salsas and others cannot stand, smells completely different from the round seeds that are crushed into gingerbread or into sausages. And exactly the same holds for the essential oils: the leaf and the seeds yield two different products.
Before you buy coriander oil or start using it, it is worth knowing which of them you have in your hand. It determines both the scent and what to combine it with.
Leaf or seeds? Two oils from one plant
| Leaf (herb) oil | Seed oil | |
|---|---|---|
| English name | coriander leaf, cilantro oil | coriander seed oil |
| Main components | aldehydes: (E)-2-decenal, decanal, octanal | linalool predominates |
| Scent | green, sharp, "freshly picked herb" | sweet, spicy, woody, slightly fruity |
| Yield | low, the oil tends to be more expensive | higher, more common in aromatherapy |
| Tisserand & Young | no known hazards | no known hazards |
Our BIO coriander oil is, according to the product page, distilled from leaves and comes from France. The aldehydes that the herb contains are a scent that is refreshing for some and "soapy" for others. If coriander herb does not smell good to you in food, this oil will probably not delight you either. Linalool from the seed oil, on the other hand, is the same substance that predominates in lavender, and that is why seed coriander smells sweeter and rounder.
What to blend coriander with
The herbal-spicy tone of coriander links citrus with spice well. In blends it proves itself with:
- lemon and bergamot, with which a clean kitchen scent is created,
- lavender, which softens it,
- ginger and fennel for a warmer spicy base,
- cardamom, with which it smells like an oriental market.
If you are unsure about the proportions, start with 1 part coriander and 2–3 parts citrus. The general procedure can be found in the article how to combine essential oils.
Recipes for the aroma lamp and the home
For an aroma lamp or diffuser
- Clean kitchen after cooking: 2 drops of coriander, 3 drops of lemon.
- Calm afternoon: 1 drop of coriander, 2 drops of lavender, 1 drop of bergamot.
- Spicy evening: 1 drop of coriander, 1 drop of cardamom, 3 drops of orange.
The amounts are per bowl of an aroma lamp or per 100 ml of water. More drops will not improve the scent, they will only start to irritate. In more detail in the article how many drops to put in a diffuser and aroma lamp.
Air freshener for the kitchen
- Pour 10 ml of spirit (vodka or cleaning alcohol) into a 100 ml spray bottle and add 10 drops of coriander and 10 drops of lemon.
- Shake so that the oils dissolve in the spirit, and top up with boiled water.
- Shake before each use and spray into the air, not onto textiles or people.
More ideas for cleaning with essential oils are in the article natural cleaning with essential oils.
On the skin: dilution in numbers
Coriander is among the least problematic spicy oils, yet it is not applied undiluted to the skin. For adults the usual dilution of 1–2% applies:
| Carrier oil | 1% | 2% |
|---|---|---|
| 10 ml | 2 drops | 4 drops |
| 30 ml | 6 drops | 12 drops |
For a relaxing massage of the abdomen or back after a meal you can use 30 ml of jojoba oil, 6 drops of coriander and 4 drops of mandarin. Massage is a pleasant ritual, not a treatment for digestive problems. If problems persist, they belong with a doctor. How to choose a carrier oil is described in the article essential oils for the skin.
Traditional use and what is documented
In European and Asian folk tradition coriander was used mainly in the kitchen and in herbal mixtures served with food. A review paper from 2023 summarises dozens of laboratory studies with coriander oil, above all its antimicrobial and antioxidant activity. These are, however, experiments in test tubes and on animals. Promising wording about "anti-inflammatory" effects appears on product pages and on the internet, but for home aromatherapy the honest thing is to say only that coriander is a pleasant and safe scent.
Who it is for and who it is not for
- Adults: in an aroma lamp and in blends on the skin up to 2% without special restrictions.
- Pregnancy: in an aroma lamp briefly and in a small amount; on the skin preferably only after consulting a specialist.
- Children: under 6 years of age we recommend leaving coriander out; for older children 1 drop in a blend in an aroma lamp and on the skin up to 1%. The rules are in the article essential oils and children.
- Cats: do not run an aroma lamp in a room with a cat if the animal cannot leave. More in the article essential oils and pets.
The aldehydes in the leaf oil oxidise over time and the scent changes. Store the bottle tightly closed in a cool place and use it up within 1–2 years. And if you also want coriander in the garden bed, how to sow and harvest it is described in the article coriander.
Frequently asked questions
Why does coriander smell like soap to some people?
The herb contains aldehydes that also occur in soaps and detergents. Some people perceive them very strongly. The leaf oil is the same; the seed oil smells sweeter.
Is coriander oil safe on the skin?
Tisserand & Young list no known hazards for coriander. Still, always dilute it to 1–2% and do a patch test on the forearm before first use.
Can I use coriander oil in food?
No, our oil is intended for aromatherapy and external use. For food use fresh herb or crushed seeds.
What is the difference between coriander and caraway?
They are different plants from the same family, Apiaceae. Caraway smells pronounced and "bread-like" thanks to carvone; coriander is gentler, more herbal and much more versatile in blends.
How many drops of coriander in a diffuser?
2–4 drops per 100 ml of water, on its own or in a blend with citrus. In a smaller room start with two.
Recommended products
- BIO Coriander, essential oil 10 ml – a herbal-spicy oil from France, gentle and easy to blend.
- BIO Lemon, essential oil 10 ml – a classic partner for kitchen blends and air fresheners.
- BIO Lavender, essential oil 10 ml – softens coriander in an evening blend.
- BIO Cardamom, essential oil 10 ml – for a warmer, spicier variant.
- BIO Jojoba, carrier oil 10 ml – for diluting massage blends.
- Ceramic aroma lamp 9 × 7.5 cm – a small aroma lamp for the kitchen or study.
Sources
- Tisserand R., Young R.: Essential Oil Safety, 2nd edition, Churchill Livingstone 2014 (Coriander seed and Coriander leaf profiles, pp. 259–261).
- AromaWeb: Coriander Essential Oil (seed and leaf oil, composition and safety) – aromaweb.com
- Essential Oil from Coriandrum sativum: A review on Its Phytochemistry and Biological Activity, Molecules 2023 – PubMed 36677754
Updated: 27 September 2026
Author: Jana Vránová, the editorial pen name of the Pěstík.cz team. She writes about the garden, herbs and essential oils. We take safety and dosage information from specialist literature and official sources, which we cite in every article.