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Quick answer: petitgrain essential oil is steam distilled from the leaves and twigs of the bitter orange tree (Citrus aurantium). It smells fresh, green, woody and lightly floral, with a hint of citrus. Its main components are linalyl acetate and linalool, which are also found in lavender. Unlike many citrus oils pressed from peel, it is generally not considered phototoxic. Use it in a diffuser for a calming scent, or dilute it to about 1 percent (roughly 6 drops per ounce of carrier oil) for skin. Do not swallow essential oils, keep them away from children and pets, and ask a healthcare provider first if you are pregnant or managing a medical condition.
Most people know the scent of orange peel. Fewer know that the same tree gives three very different oils. The fruit peel gives a bright citrus oil, the blossoms give neroli, and the leaves and twigs give petitgrain, a green, slightly floral and woody oil that sits between lavender and orange. Perfumers have used it for a long time, and it has become a favorite in calming diffuser blends and simple skin-care mixes. This profile is part of our essential oils guide, and it explains what petitgrain is, how to use it and how to stay safe.
Sources: National Association for Holistic Aromatherapy (NAHA) safety guidance; Tisserand Institute essential oil safety information; National Center for Complementary and Integrative Health (NCCIH) pages on aromatherapy and essential oils; U.S. Food and Drug Administration (FDA) consumer information on cosmetics and fragrance ingredients; Poison Control guidance on essential oil exposure. Aromatherapy is not a substitute for medical care, and this article is general information.
What Petitgrain Essential Oil Is
Petitgrain is the essential oil of the bitter orange tree, Citrus aurantium (sometimes listed as Citrus aurantium var. amara). The name comes from the French for “little grains.” In the past, producers distilled the small, green, unripe fruits, which look like little grains. Today most commercial petitgrain comes from the leaves and twigs, which are easier to harvest sustainably and give a more consistent oil.
The same tree yields three oils:
| Oil | Plant part | Process | Scent |
|---|---|---|---|
| Bitter orange | Fruit peel | Cold pressed | Bright, sharp citrus |
| Neroli | Blossoms | Steam distilled | Rich, floral, honeyed |
| Petitgrain | Leaves and twigs | Steam distilled | Green, woody, lightly floral, with a citrus edge |
Because petitgrain is made by steam distillation from leaves rather than by pressing the peel, its chemistry is different from that of citrus peel oils. You may also see petitgrain sold from other citrus trees, such as mandarin, lemon or bergamot. Labels should give the botanical name so you know which one you are buying. Paraguay is a well-known producer of bitter orange petitgrain, and France, Italy and parts of North Africa also supply oils.
What Is in Petitgrain Oil
Essential oils are mixtures of many natural compounds, and their composition varies by batch, region and harvest. Petitgrain bigarade, the traditional bitter orange type, is typically rich in:
- Linalyl acetate: an ester that gives a fruity, slightly sweet, lavender-like note. It is also a major component of lavender and clary sage oils.
- Linalool: a floral, fresh alcohol found in many flowers and herbs.
- Alpha-terpineol: a soft, lilac-like alcohol.
- Geranyl acetate and geraniol: floral and rosy notes.
Aromatherapy references often describe oils rich in esters and alcohols as gentle, and that is why petitgrain is considered friendly to beginners. Still, “gentle” is not the same as risk-free. Linalool can cause skin reactions in some people when it oxidizes, which is a reason to store oils well and to patch test.
Does Petitgrain Have Benefits?
Researchers have studied lavender, orange and other citrus-related oils for relaxation, but there is much less research on petitgrain specifically. The NCCIH notes that research on aromatherapy has produced mixed results and that many studies are small. Here is a fair summary of what people use it for and what can honestly be said.
- Scent and mood: many people find the green, floral aroma calming and uplifting. That is a personal experience, and scent can influence mood through memory and association. It is not a treatment for anxiety or depression.
- Sleep routines: because the scent resembles lavender, people add petitgrain to a bedtime routine. The routine itself, with a dim room, a warm bath and a set time, probably matters more than any oil. Our guide to essential oils for sleep explains safe options.
- Skin care: petitgrain is often added in small amounts to products for oily or combination skin because of its fresh scent. Claims that it treats acne or any skin condition are not proven.
- Perfumery and cleaning: its green freshness suits colognes, room sprays and natural cleaning products.
Treat any claim that an essential oil cures disease with suspicion. In the United States, products that claim to treat or prevent disease can be regulated as drugs by the FDA.
Is Petitgrain Phototoxic?
Cold-pressed citrus peel oils such as bergamot, lemon and lime can cause skin to burn in sunlight because they contain furanocoumarins. Petitgrain is distilled from leaves rather than pressed from peel, and it is not generally listed as phototoxic. That is a point in its favor for people who want a citrus-type scent without sun restrictions.
Even so, check the label. Some blends sold as “citrus” or “petitgrain blend” can contain pressed peel oils. Our guide to citrus essential oils and sun sensitivity lists which citrus oils to be careful with.
How to Use Petitgrain Essential Oil
In a Diffuser
Diffusers disperse tiny droplets of oil and water into the air. For an ultrasonic diffuser, many manufacturers recommend three to five drops in about 100 milliliters of water. Run it for 30 to 60 minutes in a ventilated room, then take a break. Overdiffusing can cause headaches, nausea or irritation, especially in small rooms, and never leave a diffuser running all day.
A few simple blends use petitgrain:
- Relaxing evening: 3 drops petitgrain, 2 drops lavender, 1 drop cedarwood.
- Fresh and green: 3 drops petitgrain, 2 drops rosemary, 1 drop lemon.
- Soft floral: 3 drops petitgrain, 2 drops neroli, 1 drop geranium.
In a Roller Blend
A roller bottle is a simple way to use diluted essential oil on the skin. For a 10 milliliter bottle, a 1 percent dilution is about 2 to 3 drops of essential oil topped up with a carrier oil such as fractionated coconut oil or jojoba. Use a total of 3 to 5 drops for a 2 percent blend, which is the usual upper limit for everyday leave-on use on adults. Our guide to making an essential oil roller blend walks through the steps.
In a Bath
Essential oil does not mix with water, so drops added straight to a bath float on the surface and can irritate skin. Mix up to 6 drops with a tablespoon of carrier oil, unscented body wash or a bit of whole milk before adding to the tub, and rinse well afterward.
In an Unscented Lotion
Add petitgrain to an unscented lotion at no more than about 1 percent. That is roughly 6 drops per ounce of lotion. Mix well and test on a small area first.
Room and Linen Spray
Combine water with a solubilizer or a small amount of witch hazel or high-proof alcohol, add 10 to 15 drops of oil per 100 milliliters, shake each time, and keep the spray away from fabrics that stain and from pets’ faces.
Safe Dilution at a Glance
Dilution varies by age, skin and purpose. The chart below gives general figures for healthy adults. Use less for sensitive skin, for children and for use on the face.
| Use | Typical dilution | Drops per ounce (30 ml) of carrier |
|---|---|---|
| Face (leave-on) | 0.5 to 1 percent | 3 to 6 |
| Body lotion or oil | 1 to 2 percent | 6 to 12 |
| Roller bottle for temples or wrists | 1 to 2 percent | 6 to 12 |
| Bath (mixed with carrier) | Up to 6 drops total | Mix first |
Our full essential oil dilution chart explains the reasoning and gives figures for other uses.
Safety, Side Effects and Who Should Be Careful
Essential oils are concentrated plant chemicals. A few simple rules reduce risk.
- Never swallow essential oils unless a qualified healthcare provider tells you to. Even small amounts can be harmful to children. If someone swallows oil, call Poison Control at 1-800-222-1222 in the United States.
- Do a patch test. Apply a diluted drop to the inside of the forearm, cover it, and wait 24 hours. Stop if you notice redness, itching or swelling.
- Use fresh oil. Oxidized oils are more likely to irritate skin. Our guide to storing essential oils and their shelf life explains how to keep them fresh.
- Pregnancy and nursing: many aromatherapy organizations advise talking to a doctor or midwife before using essential oils during pregnancy, especially in the first trimester.
- Babies and children: use extra caution, avoid direct application to babies, and see our guide to essential oils for kids by age.
- Pets: cats in particular have difficulty processing some compounds. Keep diffusers where animals can leave the room, and read our guide to essential oils and pets before you diffuse around them.
- Medical conditions and medicines: if you have asthma, epilepsy, a skin condition or take prescription medicines, ask your healthcare provider.
How to Choose a Good Petitgrain Oil
Quality varies widely, so a little attention to labels helps.
- Look for the botanical name, such as Citrus aurantium var. amara, and the plant part (leaf and twig).
- Check the country of origin and the distillation method, which should be steam distillation.
- Prefer a dark glass bottle with a dropper insert and a tamper-evident seal.
- Be skeptical of very low prices. Pure essential oils are expensive to produce, and unusually cheap bottles may be diluted or synthetic.
- Ask for a batch report if you can. Some sellers provide gas chromatography (GC/MS) reports. A report is useful, but it does not by itself prove safety or quality.
Our guide to how to tell if essential oils are pure covers more checks. No home test can tell you for sure.
Petitgrain Compared With Similar Oils
If you are deciding between oils, this comparison helps.
| Oil | Aroma | Best for | Notes |
|---|---|---|---|
| Petitgrain | Green, woody, lightly floral | Calming blends, fresh colognes | Not phototoxic in general |
| Neroli | Rich, honeyed floral | Fine perfumery, skin blends | Usually expensive |
| Lavender | Floral, herbal | Sleep routines, relaxing blends | Widely studied |
| Bergamot | Bright, citrusy, floral | Uplifting blends | Phototoxic unless furanocoumarin free |
| Sweet orange | Sweet, juicy | Cleaning, cheerful blends | Peel oil, cold pressed |
Petitgrain is often a more affordable stand-in for neroli in blends, although it does not have the same depth. If you enjoy petitgrain, our profile of neroli essential oil is a natural next read.
Storing Petitgrain Oil
Keep the bottle tightly closed, upright and away from heat and light. A cool cupboard works well. Oils high in esters and alcohols tend to keep fairly well, often for a couple of years or more, but the aroma can fade and the oil can oxidize with age. Write the purchase date on the bottle. If it smells sharp, rancid or flat, replace it.
Frequently Asked Questions
What does petitgrain essential oil smell like?
It smells green, woody and lightly floral with a soft citrus edge. People often describe it as a cross between lavender and orange blossom without the sweetness of neroli.
Is petitgrain essential oil safe on skin?
When it is properly diluted, many adults tolerate it well, but skin reactions are possible. Dilute it to about 1 to 2 percent, patch test first and stop if irritation develops.
Is petitgrain phototoxic?
Petitgrain made by steam distilling leaves and twigs is generally not considered phototoxic, unlike cold-pressed citrus peel oils. Check the label, since blends can contain other oils.
What is the difference between petitgrain and neroli?
Both come from the bitter orange tree. Neroli is distilled from the blossoms and has a rich floral scent, while petitgrain is distilled from the leaves and twigs and smells greener and woodier.
Can I use petitgrain in a diffuser around pets?
Be careful. Cats and some other animals can react to essential oils. Use short sessions in a ventilated room, give the animal a way to leave, and ask your vet if you are unsure.
Can petitgrain oil help with sleep?
Some people find the scent relaxing as part of a bedtime routine, but there is little research on petitgrain itself, and it is not a treatment for insomnia.
Can I take petitgrain oil internally?
No. Do not swallow essential oils unless a qualified healthcare provider directs it. Call Poison Control if someone swallows any.
