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Olbas Oil - 30ml

Olbas Oil - 30ml

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  • ✔️ Relieves nasal congestion and blocked sinuses fast
  • ✔️ Soothes coughs and catarrh with aromatic inhalation
  • ✔️ Suitable for adults and children from 3 months
  • ✔️ Non-drowsy formula — safe to use during the day
  • ✔️ Versatile 30ml bottle for steam, pillow, or handkerchief use

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Is Olbas Oil for Congestion Right for You?

 

When a blocked nose, persistent cough, or stuffy sinuses are making life miserable, you want something that works quickly and safely. Olbas oil for congestion has been a trusted household remedy in the UK for decades, and it's easy to see why. This 30ml bottle contains a carefully balanced blend of plant-derived essential oils — including eucalyptus, cajuput, clove, juniper berry, menthol, mint, and wintergreen — that work together to help open up the airways and ease that heavy, congested feeling. Whether you're dealing with a seasonal cold, catarrh, or a blocked nose that just won't shift, Olbas Oil offers a simple, non-drowsy option you can use at home. You can explore our full range of cold and flu remedies if you're looking for additional support alongside this product.

 

How Does Olbas Oil Work to Relieve Congestion?

 

Olbas Oil works through inhalation of its volatile aromatic compounds. When you breathe in the vapour, the active ingredients interact with receptors in the nasal passages and airways, producing a cooling, decongestant sensation that can make breathing feel noticeably easier. It doesn't chemically shrink the nasal lining the way some medicated sprays do — instead, it works by stimulating sensory receptors to reduce the perception of nasal blockage.

  • Eucalyptus oil and cajuput oil provide the primary decongestant vapour effect
  • Menthol creates a cooling sensation that helps open the airways
  • Clove and wintergreen oils contribute mild analgesic and warming properties
  • Juniper berry and mint oils support the overall aromatic profile and soothing effect

 

Who Should Use Olbas Oil 30ml?

 

Olbas Oil is suitable for a wide range of people dealing with upper respiratory symptoms. It's particularly useful during the winter months when colds and flu are circulating, or for anyone prone to catarrh and sinus congestion. It's available without a prescription and can be used by adults and children over 3 months of age, making it a versatile option for family use.

  • Adults and older children with nasal congestion or blocked sinuses
  • Children over 3 months (with age-appropriate application method)
  • People seeking a non-drowsy, non-medicated decongestant option
  • Those who prefer aromatic or steam-based inhalation therapy

 

How Does Olbas Oil Compare to Other Decongestant Options?

 

Feature Olbas Oil 30ml Vicks VapoRub
Form Liquid oil (inhalation/topical) Ointment (topical)
Application method Handkerchief, steam, or bedding Applied to chest, back, or throat
Suitable for children From 3 months (with care) From 2 years (check product label)
Drowsiness risk None None

 

How Should You Store Olbas Oil and Is It Clinically Suitable for You?

 

Store Olbas Oil below 25°C, away from direct sunlight, and keep it out of reach of children. The bottle should be kept tightly closed when not in use, as the volatile oils can evaporate if left open. If you have asthma or any other respiratory condition, it's worth checking with your pharmacist before using inhalation products, as strong aromatic vapours can occasionally trigger sensitivity in some individuals. If you're also managing other symptoms alongside congestion, our ear, nose and throat collection has a range of products that may help.

This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

Olbas Oil 30ml specifications
Treatment category Congestion relief / Decongestant
Mechanism of action Aromatic inhalation stimulating nasal sensory receptors
Effective for Nasal congestion, catarrh, blocked sinuses, coughs
Suitable for Adults and children over 3 months
Active ingredients Eucalyptus oil, Cajuput oil, Clove oil, Juniper berry oil, Menthol, Mint oil, Wintergreen oil
Pack size 30ml
UK classification General Sale List (GSL)
Drug class Aromatic decongestant
Preparation Essential oil blend
Route of administration Inhalation / Topical

Specifications of Olbas Oil 30ml

 

What Is Olbas Oil and What Is It Used For?

 

Olbas Oil is an aromatic decongestant preparation containing a blend of essential oils derived from plants. It is used to relieve the symptoms of nasal congestion, catarrh, blocked sinuses, and coughs associated with colds and flu. The NHS recognises steam inhalation as a method that can help ease congestion, and Olbas Oil is commonly used in this way. It is classified as a General Sale List (GSL) medicine in the UK, meaning it can be purchased without a prescription from pharmacies, supermarkets, and online retailers. It is not a cure for colds or flu — rather, it provides symptomatic relief while your body recovers naturally.

 

What Do You Need to Know Before Using Olbas Oil?

 

Before using Olbas Oil, it's important to be aware of the following contraindications and warnings:

  • Do not use on or near the face of infants under 3 months of age
  • Do not apply directly to the nostrils of babies or young children
  • Avoid contact with eyes — if contact occurs, rinse thoroughly with water
  • Do not take orally — this product is for external and inhalation use only
  • If you have asthma or a chronic respiratory condition, consult your pharmacist before use
  • Do not use on broken, irritated, or sensitive skin
  • If you are pregnant or breastfeeding, seek medical advice before use

There are no widely documented drug interactions with Olbas Oil when used as directed via inhalation. However, if you are using other topical or inhalation medicines, speak to your pharmacist to ensure there are no concerns specific to your situation.

  • No significant drug interactions are currently documented for inhalation use
  • Caution is advised if using alongside other aromatic or topical respiratory products

 

How Should You Use Olbas Oil?

 

Using Olbas Oil correctly is straightforward, but the method does vary depending on the age of the person being treated. Always read the label before use and follow the instructions carefully.

  1. For steam inhalation: add 2–3 drops to a bowl of hot (not boiling) water, lean over the bowl, cover your head with a towel, and inhale the steam for several minutes
  2. For handkerchief use: place 2–3 drops onto a handkerchief and inhale as needed throughout the day
  3. For use at night: sprinkle a few drops onto your pillow or bedding (not directly near an infant's face)
  4. For children over 3 months: place drops on clothing or bedding at a safe distance from the face — never apply directly to skin or near the nostrils
  5. Wash hands thoroughly after handling the oil
Age Group Method Dose Frequency
Adults & children over 12 Steam inhalation or handkerchief 2–3 drops Up to 3 times daily
Children 3 months–12 years Drops on bedding or clothing 1–2 drops As needed, with care
Infants under 3 months Not recommended

If you're looking for additional support for your child's symptoms, our baby and toddler collection includes a range of age-appropriate products.

 

What Are the Possible Side Effects of Olbas Oil?

 

Olbas Oil is generally well tolerated when used as directed. Side effects are uncommon, but as with any product containing essential oils, some people may experience a reaction — particularly those with sensitive skin or respiratory conditions.

Common side effects:

  • Mild skin irritation if applied directly to the skin
  • Temporary stinging or watering of the eyes if vapour comes into contact with them

Less common side effects:

  • Allergic skin reaction (redness, rash, or itching) in individuals sensitive to essential oils
  • Worsening of respiratory symptoms in people with asthma or airway hypersensitivity
  • Headache in some individuals sensitive to strong aromatic vapours

Stop using the product and seek medical advice if you experience any signs of an allergic reaction, including swelling, difficulty breathing, or a widespread rash. If you need support managing pain or discomfort alongside your cold symptoms, you may also find our pain relief collection useful.

 

How Should You Store Olbas Oil?

 

  • Store below 25°C in a cool, dry place away from direct sunlight
  • Keep the bottle tightly closed when not in use to prevent evaporation of the volatile oils
  • Keep out of reach and sight of children at all times
  • Do not store near open flames or heat sources — the oil is flammable
  • Do not use after the expiry date printed on the bottle
  • Dispose of any unused product safely in accordance with local waste disposal guidelines

Written and reviewed by our qualified team

Your safety and success are our highest priorities. Our medical team rigorously evaluates every product and piece of advice we provide, ensuring you receive only the most effective, science-backed solutions available.

Frequently Asked Questions

Where can I buy Olbas Oil 30ml online in the UK?

You can buy Olbas Oil 30ml directly from Cured Pharmacy online for £7.39 with fast UK delivery. It is a General Sale List medicine, so no prescription is needed. It's also available from high street pharmacies and supermarkets across the UK.

How does Olbas Oil work for congestion relief?

Olbas Oil works by releasing volatile aromatic compounds — including eucalyptus oil, menthol, and cajuput oil — when inhaled. These compounds stimulate sensory receptors in the nasal passages, creating a cooling, decongestant sensation that makes breathing feel easier. It does not chemically reduce nasal swelling but helps relieve the perception of blockage.

How do I use Olbas Oil step by step?

For adults, add 2–3 drops to a bowl of hot water, cover your head with a towel, and inhale the steam for several minutes. Alternatively, place drops on a handkerchief and inhale throughout the day, or sprinkle a few drops on your pillow at night. For children over 3 months, place drops on bedding or clothing at a safe distance from the face — never directly on skin or near the nostrils.

What is the correct dose of Olbas Oil for adults?

Adults and children over 12 years can use 2–3 drops for steam inhalation or on a handkerchief, up to three times daily. Always follow the instructions on the product label and do not exceed the recommended amount. If symptoms persist beyond 5 days, consult your pharmacist or GP.

Is Olbas Oil safe for babies and young children?

Olbas Oil can be used for children from 3 months of age, but it must never be applied directly to the face, nostrils, or skin of infants. For young children, place 1–2 drops on bedding or clothing at a safe distance from the face. It is not suitable for babies under 3 months — if in doubt, speak to your health visitor or pharmacist. You can also browse our baby and toddler range for age-appropriate alternatives.

What are the side effects of Olbas Oil?

Side effects are uncommon but can include mild skin irritation if the oil is applied directly to sensitive skin, and temporary eye irritation if vapour contacts the eyes. In rare cases, people with asthma or respiratory sensitivity may find that strong aromatic vapours worsen their symptoms. Stop use and seek advice from a pharmacist or GP if you experience any concerning reactions.

Can I use Olbas Oil if I have asthma?

If you have asthma or any chronic respiratory condition, you should speak to your pharmacist or GP before using Olbas Oil. Strong aromatic vapours can occasionally trigger airway sensitivity in some individuals with asthma. Your healthcare professional can advise on whether it is appropriate for you and suggest alternatives if needed.

Can I use Olbas Oil during pregnancy?

If you are pregnant or breastfeeding, it is advisable to consult your GP or midwife before using Olbas Oil. Some essential oils are not recommended during pregnancy, and professional guidance is important to ensure safety for both you and your baby. Do not assume that natural or plant-based products are automatically safe during pregnancy.

How long can I use Olbas Oil for?

Olbas Oil is intended for short-term symptomatic relief of congestion and cold symptoms. If your symptoms have not improved after 5 days of use, or if they worsen at any point, stop using the product and consult your GP or pharmacist. Prolonged use without improvement may indicate an underlying condition that requires further assessment.

What are the alternatives to Olbas Oil for a blocked nose?

Alternatives to olbas oil for congestion include Vicks VapoRub, menthol crystals for steam inhalation, saline nasal sprays, and decongestant nasal sprays such as xylometazoline. You can explore our ear, nose and throat collection for a range of congestion relief options. Your pharmacist can help you choose the most suitable product based on your age, symptoms, and medical history.

Can Olbas Oil be used on the skin directly?

Olbas Oil is not generally recommended for direct application to the skin, as it can cause irritation — particularly on sensitive or broken skin. It is primarily designed for inhalation via steam, handkerchief, or bedding. If you are looking for a topical rub for chest or muscle relief, a product specifically formulated for skin application would be more appropriate.

Does Olbas Oil help with a cough?

Yes, Olbas Oil can help ease a cough associated with a cold or upper respiratory tract infection by loosening congestion and soothing the airways through inhalation. It is not a cough suppressant and will not stop a cough directly, but the decongestant effect may reduce the irritation that triggers coughing. For persistent or productive coughs, speak to your pharmacist about additional options.

Is Olbas Oil flammable — can I use it near a candle or diffuser?

Yes, Olbas Oil is flammable and should be kept away from open flames, candles, and heat sources. Do not add it to oil burners or candle diffusers. If you wish to use it in a diffuser, ensure you use an electric ultrasonic diffuser designed for essential oils and follow the manufacturer's guidance carefully.

What does the latest research say about essential oil inhalation for congestion?

Research into aromatic inhalation therapy suggests that compounds such as eucalyptol (found in eucalyptus oil) and menthol can stimulate cold receptors in the nasal passages, producing a subjective sensation of improved airflow. The NHS acknowledges steam inhalation as a self-care measure for cold symptoms, though it notes that evidence for significant clinical benefit is mixed. Olbas Oil remains a widely used and generally safe option for symptomatic relief.

Who is eligible to use Olbas Oil 30ml?

Olbas Oil is suitable for adults and children over 3 months of age when used correctly. It is not suitable for infants under 3 months, and caution is advised for people with asthma, respiratory conditions, or known sensitivity to essential oils. Pregnant or breastfeeding individuals should seek medical advice before use. If you are unsure whether this product is right for you, speak to a pharmacist before purchasing.

How Should You Use Olbas Oil?

Olbas Oil is simple to use, but the method matters — especially when using it around children. Always read the label before use and choose the application method that suits your situation best.

What Is the Correct Dose of Olbas Oil?

The correct dose depends on the age of the person being treated and the method of application. Always use the minimum effective amount and do not exceed the guidance below.

When Is the Best Time to Use Olbas Oil?

There is no single "best" time — it really depends on when your symptoms are most troublesome. Many people find steam inhalation most helpful in the morning, when congestion tends to feel heaviest after a night of lying down. Using a few drops on your pillow before bed can also help you breathe more comfortably through the night, which may improve sleep quality when you're unwell.

If you're using it during the day, a handkerchief application is the most convenient option — discreet, portable, and easy to repeat as needed.

How Long Can You Use Olbas Oil For?

Olbas Oil is designed for short-term use during acute episodes of congestion, such as those caused by a cold, flu, or sinus infection. Most cold symptoms resolve within 7–10 days, and Olbas Oil can be used throughout this period as needed for symptomatic relief.

If your symptoms persist beyond 5 days without improvement, or if they worsen at any point, stop using the product and consult your GP or pharmacist. Prolonged or worsening congestion may indicate a secondary infection or another underlying condition that requires medical assessment.

Do not exceed the recommended dose. If in doubt, speak to your pharmacist.

How Should You Use Olbas Oil?

Olbas Oil is simple to use, but the method matters — especially when using it around children. Always read the label before use and choose the application method that suits your situation best.

What Is the Correct Dose of Olbas Oil?

The correct dose depends on the age of the person being treated and the method of application. Always use the minimum effective amount and do not exceed the guidance below.

When Is the Best Time to Use Olbas Oil?

There is no single "best" time — it really depends on when your symptoms are most troublesome. Many people find steam inhalation most helpful in the morning, when congestion tends to feel heaviest after a night of lying down. Using a few drops on your pillow before bed can also help you breathe more comfortably through the night, which may improve sleep quality when you're unwell.

If you're using it during the day, a handkerchief application is the most convenient option — discreet, portable, and easy to repeat as needed.

How Long Can You Use Olbas Oil For?

Olbas Oil is designed for short-term use during acute episodes of congestion, such as those caused by a cold, flu, or sinus infection. Most cold symptoms resolve within 7–10 days, and Olbas Oil can be used throughout this period as needed for symptomatic relief.

If your symptoms persist beyond 5 days without improvement, or if they worsen at any point, stop using the product and consult your GP or pharmacist. Prolonged or worsening congestion may indicate a secondary infection or another underlying condition that requires medical assessment.

Do not exceed the recommended dose. If in doubt, speak to your pharmacist.

What Are the Most Common Side Effects of Olbas Oil?

Olbas Oil is generally well tolerated when used as directed. Most people use it without experiencing any adverse effects. However, as with any product containing concentrated essential oils, some individuals may notice mild reactions, particularly if they have sensitive skin or airways.

  • Mild skin irritation or redness if the oil is applied directly to the skin
  • Temporary stinging or watering of the eyes if vapour comes into contact with them
  • Mild throat irritation in some individuals during steam inhalation

What Are the Less Common Side Effects of Olbas Oil?

Less commonly, some people may experience a more pronounced reaction to the essential oil components. These reactions are more likely in individuals with known sensitivities to plant-derived compounds or those with pre-existing respiratory conditions.

  • Allergic skin reaction, including redness, itching, or a rash, in those sensitive to essential oils such as eucalyptus or clove
  • Worsening of respiratory symptoms, including coughing or wheezing, in people with asthma or airway hypersensitivity
  • Headache in individuals sensitive to strong aromatic vapours
  • Nausea if used in a poorly ventilated space for an extended period

What Are the Serious Side Effects of Olbas Oil?

Serious side effects from Olbas Oil are rare when the product is used correctly. However, if the oil is accidentally ingested — particularly by a child — it can cause serious harm. Essential oils such as eucalyptus and clove oil are toxic when swallowed, even in small quantities. Seek emergency medical attention immediately if ingestion occurs.

Signs of a serious allergic reaction (anaphylaxis) — including swelling of the face, lips, or throat, difficulty breathing, or a widespread rash — require immediate emergency medical attention. Call 999 or go to your nearest A&E department without delay.

What Should You Do If You Experience Side Effects?

If you notice mild skin irritation, stop applying the oil to that area and wash the skin with soap and water. If eye contact occurs, rinse your eyes thoroughly with clean water for several minutes. For respiratory symptoms that worsen during use, move to a well-ventilated area and stop inhalation immediately.

If symptoms do not resolve quickly, or if you are concerned about any reaction, contact your pharmacist or GP for advice. Do not continue using the product if you suspect you are having an adverse reaction.

Can Olbas Oil Interact With Other Medicines?

No significant drug interactions have been documented for Olbas Oil when used as directed via inhalation or on bedding and clothing. Because it is not taken orally or absorbed systemically in meaningful quantities during normal use, the risk of interaction with other medicines is considered very low. That said, if you are using other topical or inhalation medicines — such as prescribed inhalers or medicated nasal sprays — it is always sensible to mention this to your pharmacist to ensure there are no concerns specific to your situation.

If you are concerned about any side effects, contact your pharmacist or GP immediately.

Patient Information Leaflet

Important - Before taking any medication, it is always important to read the Patient Information Leaflet (PIL)

Written and reviewed by our qualified team

GPhC Number: 2233073
Tarun Kumar

Reviewed by:

Tarun Kumar

Superintendent/ Clinical Lead

📖 Find out more about our team of medical content authors and how we ensure the accuracy of our content with our content guidelines.

Content last updated: 31 Mar 2025

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