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Numark Tea Tree Antibacterial Handwash

Numark Tea Tree Antibacterial Handwash

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  • ✔️ Contains tea tree oil with natural antibacterial properties
  • ✔️ Reduces bacteria on hands with every wash
  • ✔️ Gentle surfactant formula suitable for daily use
  • ✔️ Supports infection prevention during cold and flu season
  • ✔️ Affordable antibacterial hand hygiene at just £1.59

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What Is Tea Tree Antibacterial Handwash?

 

Good hand hygiene is one of the simplest and most effective ways to reduce the spread of infection. The NHS recommends washing your hands regularly — particularly before eating, after using the toilet, and after being in public spaces. Numark Tea Tree Antibacterial Handwash is a gentle yet effective liquid hand cleanser that combines the cleansing action of a surfactant-based formula with the naturally derived properties of tea tree oil. At just £1.59, it offers an accessible everyday hygiene option for the whole household. If you're looking to support your general health routine, you might also find our skin care collection useful for complementary products.

Tea tree oil — derived from the leaves of Melaleuca alternifolia, a plant native to Australia — has been used for decades in topical hygiene and skin products. Its inclusion in a handwash formula adds an extra layer of cleansing support alongside the physical removal of dirt and bacteria that proper handwashing provides.

 

How Does Numark Tea Tree Antibacterial Handwash Work?

 

The handwash works through two complementary mechanisms. First, the surfactant base lifts dirt, grease, and microorganisms from the skin surface, allowing them to be rinsed away with water. Second, tea tree oil contributes antimicrobial properties through its active constituent terpinen-4-ol, which research suggests can disrupt bacterial cell membranes.

  • Surfactants reduce surface tension, helping water and soap lift contaminants from skin
  • Terpinen-4-ol in tea tree oil targets bacterial cell membranes
  • Physical lathering action mechanically removes pathogens
  • Rinsing carries away loosened bacteria and debris

It's worth noting that the NHS emphasises that plain soap and water, used correctly for at least 20 seconds, is highly effective at removing most bacteria and viruses from the hands. The antibacterial component here provides additional reassurance rather than replacing good technique.

 

Who Should Use Numark Tea Tree Antibacterial Handwash?

 

This handwash is suitable for most adults looking to maintain good hand hygiene as part of their daily routine. It's particularly useful in households where extra cleansing reassurance is wanted — for example, during cold and flu season or when caring for others. That said, it's not appropriate for everyone.

  • Adults seeking an everyday antibacterial handwash
  • People who prefer naturally derived ingredients in their hygiene products
  • Those wanting a budget-friendly option without compromising on cleansing
  • Households looking to reduce bacterial load during periods of illness

If you have a known allergy to tea tree oil or any related plant compounds (such as those in the Myrtaceae family), you should avoid this product. People with eczema, psoriasis, or other chronic skin conditions should speak to a pharmacist or GP before use.

 

How Does Numark Tea Tree Handwash Compare to Other Antibacterial Handwashes?

 

Feature Numark Tea Tree Antibacterial Handwash Standard Antibacterial Handwash (e.g. Carex Original)
Key ingredient Tea tree oil (Melaleuca alternifolia) Benzalkonium chloride or similar quaternary ammonium
Naturally derived Yes No (synthetic antimicrobial)
Approximate price £1.59 £1.50–£3.00
Suitable for sensitive skin Patch test advised Varies by formulation

 

Is Numark Tea Tree Antibacterial Handwash Safe to Store at Home?

 

Yes — tea tree antibacterial handwash is safe to store in a standard household bathroom or kitchen environment, provided it is kept below 25°C, away from direct sunlight, and out of reach of children. Do not store near heat sources or in a freezing environment, as this may affect the product's consistency and efficacy.

Tea tree oil is toxic if swallowed, so always keep the product secured away from young children and pets. If accidental ingestion occurs, contact NHS 111 or your nearest A&E immediately. For those managing skin conditions alongside their hygiene routine, our creams and ointments collection includes a range of products that may help support skin health.

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.

Numark Tea Tree Antibacterial Handwash specifications
Treatment category Hand hygiene / Antibacterial cleansing
Mechanism of action Surfactant-based cleansing combined with antimicrobial activity of tea tree oil (terpinen-4-ol)
Effective against Common bacteria on skin surface
Suitable for Adults; patch test advised for sensitive skin
Active ingredient Tea tree oil (Melaleuca alternifolia)
UK classification General Sale / Cosmetic product
Preparation Liquid handwash
Route of administration Topical (skin)

Specifications of Numark Tea Tree Antibacterial Handwash

 

What Is Numark Tea Tree Antibacterial Handwash and What Is It Used For?

 

Numark Tea Tree Antibacterial Handwash is a topical liquid cleanser designed for use on the hands. It contains tea tree oil as its key naturally derived ingredient, alongside surfactants that help lift and remove dirt, grease, and bacteria from the skin. It is used as part of a regular hand hygiene routine to reduce the number of bacteria on the hands and help prevent the spread of infection.

The NHS highlights that handwashing is one of the most important things you can do to protect yourself and others from illness — particularly infections spread by touch, such as gastrointestinal bugs and respiratory viruses. This handwash supports that routine with an accessible, everyday formula.

 

What Do You Need to Know Before Using Numark Tea Tree Antibacterial Handwash?

 

Before using this product, read the following carefully. While it is a general-sale product, there are some important considerations.

Do not use this product if you:

  • Are allergic to tea tree oil or any ingredient in the formula
  • Have a known allergy to plants in the Myrtaceae family
  • Have open wounds, cuts, or severely broken skin on your hands (seek medical advice first)
  • Are using it on or near the eyes — avoid contact entirely

Use with caution if you:

  • Have eczema, psoriasis, or another chronic skin condition
  • Have very dry or sensitive skin — consider a patch test before regular use
  • Are pregnant or breastfeeding — while topical use is generally considered low risk, speak to your midwife or GP if unsure

Known interactions:

  • No clinically significant drug interactions are known for topically applied tea tree handwash
  • Avoid using alongside other strong topical antiseptics on the same area without medical advice

 

How Should You Use Numark Tea Tree Antibacterial Handwash?

 

Correct technique matters just as much as the product itself. The NHS recommends a thorough 20-second handwashing technique to ensure effective cleansing. Follow these steps each time:

  1. Wet your hands thoroughly under clean running water
  2. Apply a small amount of handwash (approximately a 5p-coin-sized amount) to your palms
  3. Rub your palms together to create a lather
  4. Interlace your fingers and rub between them on both sides
  5. Clean the backs of your hands, thumbs, and fingertips
  6. Scrub under your nails using your fingertips against your palm
  7. Continue lathering for at least 20 seconds in total
  8. Rinse thoroughly under clean running water
  9. Dry with a clean towel or paper towel
Indication Age Group Amount Frequency
General hand hygiene Adults Small pump or squeeze (approx. 2–3ml) As needed throughout the day
After contact with potentially contaminated surfaces Adults Small pump or squeeze Each time contact occurs
Children (under supervision) Check with pharmacist Smaller amount As directed by parent/carer

 

What Are the Possible Side Effects of Numark Tea Tree Antibacterial Handwash?

 

Like all products containing active ingredients, this handwash can occasionally cause side effects. Most are mild and resolve on their own. If you're also managing a skin condition, our skin care range includes products that may help soothe irritated skin.

Common side effects:

  • Mild skin dryness, particularly with frequent use
  • Temporary redness or mild irritation at the site of application
  • Slight tingling sensation on sensitive skin

Less common side effects:

  • Contact dermatitis (an allergic skin reaction causing itching, redness, or blistering)
  • Localised swelling or hives in people with a tea tree oil allergy

If you experience any signs of a serious allergic reaction — such as widespread rash, swelling of the face or throat, or difficulty breathing — stop use immediately and call 999 or go to your nearest A&E.

 

How Should You Store Numark Tea Tree Antibacterial Handwash?

 

Proper storage helps maintain the product's quality and safety. If you're building a broader home health kit, our first aid collection has everything you need alongside your hygiene essentials.

  • Store below 25°C in a cool, dry place
  • Keep away from direct sunlight and heat sources
  • Keep the cap tightly closed when not in use
  • Store out of reach and sight of children and pets
  • Do not freeze
  • Do not use after the expiry date printed on the packaging
  • Tea tree oil is toxic if ingested — if swallowed, contact NHS 111 or go to A&E immediately

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 Numark Tea Tree Antibacterial Handwash online in the UK?

You can buy Numark Tea Tree Antibacterial Handwash directly from Cured Pharmacy online for just £1.59, with fast UK delivery to your door. It is an over-the-counter product and does not require a prescription. Simply add it to your basket and check out — no GP visit needed.

How does tea tree antibacterial handwash work in the body?

This handwash works on the surface of the skin rather than inside the body. The surfactant base physically lifts bacteria, dirt, and grease from your hands, while terpinen-4-ol — the key active compound in tea tree oil — helps disrupt bacterial cell membranes. Together, these actions reduce the microbial load on your hands when rinsed away with water.

How do I use Numark Tea Tree Antibacterial Handwash step by step?

Follow these steps for effective handwashing:

  1. Wet hands under running water
  2. Apply a small amount of handwash to palms
  3. Lather for at least 20 seconds, covering all surfaces
  4. Rinse thoroughly and dry with a clean towel

The NHS recommends this technique as the most effective way to remove bacteria and viruses from your hands.

Is Numark Tea Tree Antibacterial Handwash suitable for sensitive skin?

Tea tree oil can occasionally cause irritation in people with sensitive or reactive skin. If you have a history of contact dermatitis or skin allergies, it is advisable to do a patch test on a small area of skin before using it regularly. If redness, itching, or irritation develops, stop use and speak to your pharmacist.

Can children use Numark Tea Tree Antibacterial Handwash?

This product is primarily formulated for adult use. For young children, always check the product label and consult a pharmacist before use, as tea tree oil may cause irritation on younger or more sensitive skin. Keep the product out of reach of children at all times, as tea tree oil is toxic if swallowed.

What are the side effects of using tea tree antibacterial handwash?

The most commonly reported side effects are mild skin dryness, temporary redness, or a slight tingling sensation — particularly with frequent use. Less commonly, some people may develop contact dermatitis, which causes itching, redness, or blistering. If you experience any of these, reduce frequency of use or stop and seek pharmacist advice.

How do I manage skin dryness caused by frequent handwashing?

Frequent handwashing — with any soap — can strip natural oils from the skin and lead to dryness. Applying a fragrance-free moisturising hand cream after washing can help restore the skin barrier. You can browse suitable options in our skin care collection for products that complement your hand hygiene routine.

Who is eligible to use Numark Tea Tree Antibacterial Handwash?

Most adults can use this handwash as part of their everyday hygiene routine without any special eligibility requirements. It is not suitable for people with a known allergy to tea tree oil or Myrtaceae plant family compounds. Those with chronic skin conditions such as eczema or psoriasis should consult a pharmacist or GP before use.

What happens if I accidentally get Numark Tea Tree Handwash in my eyes?

If the product comes into contact with your eyes, rinse immediately and thoroughly with clean, lukewarm water for at least 10–15 minutes. Do not rub your eyes. If irritation, redness, or pain persists after rinsing, seek medical attention promptly — you can contact NHS 111 for guidance.

What are alternatives to Numark Tea Tree Antibacterial Handwash?

Alternatives include standard antibacterial handwashes containing quaternary ammonium compounds (such as benzalkonium chloride), plain soap and water (which the NHS confirms is equally effective for most everyday situations), or alcohol-based hand sanitisers for use when water is unavailable. If you're concerned about fungal skin infections on the hands, our athletes foot and fungal infections collection may also be relevant.

How long can I use Numark Tea Tree Antibacterial Handwash for?

This handwash can be used as part of your ongoing daily hand hygiene routine with no set time limit. If you notice persistent skin dryness, irritation, or any allergic reaction developing over time, reduce frequency of use or switch to a milder formula and consult your pharmacist. Do not use beyond the product's expiry date.

Is tea tree oil in handwash effective against viruses as well as bacteria?

The primary mechanism of this handwash — physical removal of pathogens through lathering and rinsing — is effective against both bacteria and many viruses, including respiratory viruses. The NHS confirms that proper handwashing technique with soap and water is one of the most effective ways to reduce viral transmission. The tea tree oil component provides additional antibacterial support.

What is the best time to use Numark Tea Tree Antibacterial Handwash?

The NHS recommends washing your hands at key moments throughout the day, including before and after preparing food, after using the toilet, after blowing your nose or coughing, after touching shared surfaces in public, and before and after caring for someone who is unwell. Using this handwash at these moments provides the most benefit.

What are the latest studies on tea tree oil as an antibacterial ingredient?

Published research has demonstrated that terpinen-4-ol, the primary active constituent of tea tree oil, exhibits in vitro antibacterial activity against a range of common pathogens including Staphylococcus aureus and Escherichia coli. While laboratory evidence is encouraging, the NHS and clinical guidelines continue to recommend correct handwashing technique as the foundation of hand hygiene, with antibacterial additives providing supplementary benefit.

Can I use Numark Tea Tree Antibacterial Handwash if I am pregnant?

Topical use of tea tree oil in a rinse-off product such as a handwash is generally considered low risk during pregnancy, as systemic absorption through intact skin is minimal. However, if you have any concerns, it is always sensible to speak to your midwife or GP before introducing new products during pregnancy. Good hand hygiene itself is particularly important during pregnancy to reduce infection risk.

How Should You Use Numark Tea Tree Antibacterial Handwash?

Using this handwash correctly is just as important as using it regularly. The NHS recommends a thorough technique that covers all surfaces of the hands, including between the fingers, under the nails, and around the thumbs — areas that are often missed with a quick rinse.

Follow these steps each time you wash your hands:

What Is the Correct Dose of Numark Tea Tree Antibacterial Handwash?

There is no fixed medical dose for a handwash, but using the right amount ensures effective cleansing without unnecessary waste. Using too little may not produce enough lather to clean all surfaces; using too much is simply wasteful.

When Is the Best Time to Use Numark Tea Tree Antibacterial Handwash?

The NHS identifies several key moments when handwashing is particularly important for reducing the spread of infection. Making handwashing a habit at these times will give you the most benefit from this product.

Wash your hands before and after preparing or handling food, after using the toilet, after blowing your nose or coughing, after touching shared surfaces in public places, before and after caring for someone who is unwell, and after handling animals or animal waste. These moments represent the highest-risk opportunities for transferring bacteria to yourself or others.

How Long Can You Use Numark Tea Tree Antibacterial Handwash For?

This handwash can be used as part of your regular daily hygiene routine on an ongoing basis, with no defined maximum duration of use. It is not a medicated treatment with a course length — it is a hygiene product intended for continuous everyday use.

If you notice increasing skin dryness, irritation, or any signs of an allergic reaction developing over time, reduce how often you use it and consider applying a moisturising hand cream after washing. If symptoms persist, speak to your pharmacist. Do not use the product beyond its printed expiry date.

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

How Should You Use Numark Tea Tree Antibacterial Handwash?

Using this handwash correctly is just as important as using it regularly. The NHS recommends a thorough technique that covers all surfaces of the hands, including between the fingers, under the nails, and around the thumbs — areas that are often missed with a quick rinse.

Follow these steps each time you wash your hands:

What Is the Correct Dose of Numark Tea Tree Antibacterial Handwash?

There is no fixed medical dose for a handwash, but using the right amount ensures effective cleansing without unnecessary waste. Using too little may not produce enough lather to clean all surfaces; using too much is simply wasteful.

When Is the Best Time to Use Numark Tea Tree Antibacterial Handwash?

The NHS identifies several key moments when handwashing is particularly important for reducing the spread of infection. Making handwashing a habit at these times will give you the most benefit from this product.

Wash your hands before and after preparing or handling food, after using the toilet, after blowing your nose or coughing, after touching shared surfaces in public places, before and after caring for someone who is unwell, and after handling animals or animal waste. These moments represent the highest-risk opportunities for transferring bacteria to yourself or others.

How Long Can You Use Numark Tea Tree Antibacterial Handwash For?

This handwash can be used as part of your regular daily hygiene routine on an ongoing basis, with no defined maximum duration of use. It is not a medicated treatment with a course length — it is a hygiene product intended for continuous everyday use.

If you notice increasing skin dryness, irritation, or any signs of an allergic reaction developing over time, reduce how often you use it and consider applying a moisturising hand cream after washing. If symptoms persist, speak to your pharmacist. Do not use the product beyond its printed expiry date.

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

What Are the Most Common Side Effects of Numark Tea Tree Antibacterial Handwash?

Most people use this handwash without experiencing any side effects. However, as with any product applied to the skin, some individuals may notice mild reactions — particularly with frequent use or if they have naturally dry or sensitive skin.

  • Skin dryness or tightness, especially after repeated washing throughout the day
  • Mild redness or flushing at the site of application
  • A slight tingling or warming sensation on sensitive skin
  • Temporary flaking or peeling with very frequent use

These effects are generally mild and tend to resolve on their own. Applying a fragrance-free hand moisturiser after washing can help manage dryness and support the skin barrier.

What Are the Less Common Side Effects of Numark Tea Tree Antibacterial Handwash?

A small number of people may experience a more pronounced skin reaction, particularly those with a sensitivity or allergy to tea tree oil or related plant compounds. These reactions are less common but worth being aware of.

  • Contact dermatitis — an inflammatory skin reaction causing itching, redness, and sometimes blistering
  • Localised swelling or hives (urticaria) at the point of contact
  • Persistent burning or stinging that does not settle after rinsing
  • Skin discolouration in very rare cases

If you develop any of these symptoms, stop using the product immediately and rinse the affected area thoroughly with clean water. Contact your pharmacist for advice on next steps.

What Are the Serious Side Effects of Numark Tea Tree Antibacterial Handwash?

Serious side effects from topical use of a rinse-off handwash are rare. However, if tea tree oil is accidentally ingested, it can cause serious toxicity including confusion, loss of coordination, and in severe cases, loss of consciousness. This is a medical emergency.

Signs of a serious allergic reaction (anaphylaxis) — though extremely rare with topical products — include widespread rash, swelling of the face, lips, or throat, difficulty breathing, or a sudden drop in blood pressure. If you or someone else experiences any of these symptoms, call 999 immediately.

What Should You Do If You Experience Side Effects?

For mild side effects such as dryness or redness, reduce how often you use the product and apply a gentle, fragrance-free moisturiser to the affected area. If symptoms do not improve within a few days, speak to your pharmacist — they can advise whether you should switch to an alternative product.

For more significant reactions such as contact dermatitis or persistent irritation, stop use entirely and seek advice from your GP or pharmacist. If you suspect accidental ingestion, contact NHS 111 immediately or go to your nearest A&E. Do not wait for symptoms to worsen.

Can Numark Tea Tree Antibacterial Handwash Interact With Other Products?

No clinically significant drug interactions are known for this product when used topically as directed. However, using multiple strong topical antiseptic or antibacterial products on the same area of skin simultaneously is not recommended, as this may increase the risk of irritation or dryness. If you are using any prescribed topical treatments on your hands, speak to your pharmacist before adding this handwash to your routine.

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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