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Molutrex 3ml

Molutrex 3ml

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  • ✔️ Targets molluscum contagiosum lesions with potassium hydroxide 5%
  • ✔️ Triggers immune response to clear viral skin lesions
  • ✔️ Suitable for children aged 2 years and over
  • ✔️ Precision applicator ensures accurate, targeted application
  • ✔️ Clinically recognised keratolytic action on molluscum lesions

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What Is Molutrex 3ml for Molluscum Contagiosum Treatment?

 

Molluscum contagiosum is a common viral skin infection caused by the molluscum contagiosum virus (MCV), a member of the poxvirus family. It produces small, round, pearly bumps on the skin — often with a dimple in the centre — and spreads easily through direct skin contact or shared towels and clothing. It is particularly prevalent in children, though adults can develop it too, especially through close physical contact. If you or your child has been dealing with these stubborn little lesions, you are certainly not alone. Molluscum contagiosum treatment options have expanded in recent years, and Molutrex 3ml is one of the few targeted over-the-counter solutions available in the UK. You can browse our wider range of skin care products if you are managing other skin concerns alongside this condition.

Molutrex 3ml contains potassium hydroxide 5% as its active ingredient. It is a topical solution applied directly to individual lesions using the precision applicator included in the pack. Unlike waiting for the infection to resolve on its own — which can take anywhere from six months to two years — Molutrex actively targets each lesion to speed up resolution.

 

How Does Molutrex Work on Skin Lesions?

 

Potassium hydroxide is an alkaline compound that works by disrupting the structural integrity of the molluscum lesion. Here is what happens when you apply it:

  • The potassium hydroxide penetrates the outer layer of the lesion and breaks down the keratin proteins holding the infected cells together.
  • This causes the lesion to soften and eventually break down, releasing the viral contents.
  • The body's immune system recognises the viral material and mounts a localised inflammatory response.
  • This immune activation is what ultimately clears the lesion — you will typically notice redness and mild swelling as a sign the treatment is working.

The process is targeted and localised, meaning it acts only where you apply it. Precision matters here — applying the solution carefully to the centre of each lesion, and avoiding the surrounding healthy skin, is key to getting the best result with minimal irritation.

 

Who Is Molutrex 3ml Suitable For?

 

Molutrex is suitable for a range of patients, though it is most commonly used in children, in whom molluscum contagiosum is most frequently diagnosed. It is appropriate for:

  • Children aged 2 years and over with molluscum contagiosum lesions on the body (excluding the face and genital area without medical advice).
  • Adults with molluscum contagiosum who want an at-home treatment option.
  • Patients who have tried watchful waiting and found the lesions are not resolving or are spreading.
  • Those who prefer a non-invasive, topical approach over clinical procedures such as cryotherapy or curettage.

It is not suitable for use on inflamed, infected, or broken skin, and should not be applied near the eyes, mouth, or genitals without specific medical guidance. Always read the full instructions before use.

 

How Does Molutrex Compare to Other Molluscum Treatments?

 

Feature Molutrex 3ml Watchful Waiting Cryotherapy (clinic)
Active ingredient Potassium hydroxide 5% None Liquid nitrogen
Where used At home At home GP or dermatology clinic
Typical resolution time 1–4 weeks per lesion 6–18 months 1–3 sessions
Suitable for children Yes (aged 2+) Yes Yes (with caution)

 

How Should You Store Molutrex 3ml?

 

Store Molutrex 3ml below 25°C in a cool, dry place away from direct sunlight. Keep the bottle tightly closed when not in use, as potassium hydroxide can absorb moisture from the air, which may affect its stability. Always keep it out of the reach and sight of children — the solution is caustic and must never be ingested or allowed near the eyes. If you are also managing other skin conditions, our creams and ointments collection includes a range of complementary topical products.

Do not use Molutrex after the expiry date printed on the label. Once opened, use within the period stated in the product instructions. Dispose of any unused solution safely.

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.

Molutrex 3ml specifications
Treatment category Viral skin infection (molluscum contagiosum)
Active ingredient Potassium hydroxide 5%
Mechanism of action Keratolytic — breaks down lesion protein structure and triggers immune response
Route of administration Topical (cutaneous)
Pack size 3ml
UK classification General Sale / Pharmacy (P)
Drug class Keratolytic agent
Preparation Topical solution
Suitable for Children aged 2 years and over; adults

Specifications of Molutrex 3ml

 

What Is Molutrex 3ml and What Is It Used For?

 

Molutrex 3ml is a topical solution containing potassium hydroxide 5%, used for the treatment of molluscum contagiosum — a viral skin infection caused by the molluscum contagiosum virus. The infection typically presents as small, firm, dome-shaped papules with a central dimple (umbilication), most commonly appearing on the trunk, arms, legs, and face. It is highly contagious and spreads through skin-to-skin contact, shared clothing, or towels. The NHS notes that molluscum contagiosum is particularly common in children aged one to five years, though it can affect people of any age.

Molutrex is applied directly to each individual lesion to break it down and stimulate the body's immune response, helping to clear the infection more quickly than waiting for natural resolution. It is intended for external use only and should not be swallowed or applied to mucous membranes.

 

What Do You Need to Know Before Using Molutrex 3ml?

 

Before starting treatment, it is important to check whether Molutrex is appropriate for you or your child. Do not use this product if any of the following apply:

  • You are allergic to potassium hydroxide or any other ingredient in the formulation.
  • The lesions are on inflamed, infected, or broken skin.
  • The lesions are located near the eyes, eyelids, or mucous membranes.
  • The child is under 2 years of age.
  • The lesions are in the genital or perianal area — seek medical advice first.
  • You are pregnant or breastfeeding — consult your GP or pharmacist before use.

There are no known significant drug interactions with Molutrex when used topically as directed. However, you should be aware of the following:

  • Do not use alongside other topical treatments on the same lesions without medical advice.
  • Avoid using emollients or moisturisers directly on the lesion immediately before application, as this may dilute the solution.

 

How Should You Use Molutrex 3ml?

 

Correct application technique is essential for both safety and effectiveness. Follow these steps carefully each time you use Molutrex:

  1. Wash and dry your hands thoroughly before handling the bottle.
  2. Ensure the skin around the lesion is clean and completely dry.
  3. Using the applicator provided, apply one single drop of solution to the very centre of each lesion only.
  4. Allow the solution to dry completely before covering with clothing or dressings.
  5. Wash your hands again immediately after application.
  6. Repeat twice daily (morning and evening) until the lesion becomes inflamed — this indicates the immune response has been triggered.
  7. Once a lesion is inflamed, stop applying to that lesion and allow it to heal naturally.
Indication Age Group Dose Frequency
Molluscum contagiosum Children aged 2–12 years 1 drop per lesion Twice daily
Molluscum contagiosum Adults and adolescents (13+) 1 drop per lesion Twice daily

If you are managing multiple skin conditions, you may also find our athletes foot and fungal infections range helpful for other common skin complaints.

 

What Are the Possible Side Effects of Molutrex 3ml?

 

Like all medicines, Molutrex can cause side effects, though not everyone will experience them. Many of the local reactions listed below are actually expected signs that the treatment is working.

Common side effects (likely to affect more than 1 in 10 users):

  • Mild stinging or burning sensation at the application site
  • Redness (erythema) around the treated lesion
  • Localised swelling or inflammation
  • Mild itching at the site of application

Less common side effects (may affect fewer than 1 in 10 users):

  • Blistering or crusting of the treated area
  • Temporary skin discolouration (hyperpigmentation or hypopigmentation) after healing
  • Erosion or ulceration if the solution spreads to healthy surrounding skin

If you experience severe pain, extensive blistering, or any reaction affecting areas beyond the treated lesion, stop using Molutrex immediately and seek advice from a pharmacist or GP. Accidental contact with the eyes requires immediate rinsing with plenty of water and urgent medical attention.

 

How Should You Store Molutrex 3ml?

 

  • Store below 25°C in a cool, dry location away from direct sunlight and heat sources.
  • Keep the bottle tightly closed at all times when not in use.
  • Do not store in the bathroom or near a sink where humidity is high.
  • Keep out of the reach and sight of children at all times.
  • Do not use after the expiry date printed on the bottle or outer packaging.
  • Do not freeze.
  • Dispose of unused solution responsibly — return to a pharmacy if possible.

For general skin health support alongside your treatment, explore our first aid range for wound care and skin protection products.

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 Molutrex 3ml online in the UK?

You can buy Molutrex 3ml directly from Cured Pharmacy, a GPhC-registered online pharmacy in the UK. It is available without a prescription and can be ordered discreetly to your door. Browse our full skin care collection for related products.

How does Molutrex work on molluscum contagiosum lesions?

Molutrex contains potassium hydroxide 5%, which is a keratolytic agent that breaks down the protein structure of each molluscum lesion. This causes the lesion to dissolve and releases viral material that triggers your immune system to respond. The resulting inflammation is a sign the treatment is working and the lesion is clearing.

How do I use Molutrex step by step?

Apply one drop of Molutrex to the centre of each lesion twice daily using the precision applicator provided. Make sure the skin is clean and dry before application, and avoid touching the surrounding healthy skin. Wash your hands thoroughly before and after each application.

How long does Molutrex take to clear molluscum contagiosum?

Individual lesions typically become inflamed and begin to resolve within one to four weeks of twice-daily application. The inflammation you see is a positive sign — it means your immune system has been activated. Once a lesion is inflamed, stop applying to that spot and allow it to heal on its own.

Is Molutrex safe to use on children?

Yes, Molutrex is indicated for children aged 2 years and over, as molluscum contagiosum is especially common in young children. Application should always be carried out by an adult, and the solution must be kept well away from the child's eyes, mouth, and mucous membranes. If you are unsure whether it is appropriate for your child, speak to your pharmacist or GP first.

What are the side effects of Molutrex and how do I manage them?

The most common side effects are mild stinging, redness, and localised swelling at the application site — these are expected and indicate the treatment is active. Less commonly, blistering or temporary skin discolouration may occur. If you experience severe pain or blistering beyond the treated lesion, stop use immediately and consult a pharmacist or GP.

Can I use Molutrex on my face or near my eyes?

Molutrex must never be applied near the eyes, eyelids, or mucous membranes due to the caustic nature of potassium hydroxide. Use on the face should only be considered with specific medical guidance. If accidental eye contact occurs, rinse immediately with plenty of water and seek urgent medical attention.

Who is eligible to use Molutrex 3ml?

Molutrex is suitable for adults and children aged 2 years and over who have confirmed molluscum contagiosum lesions on the body. It is not suitable for use on inflamed or infected skin, near the eyes or genitals without medical advice, or in children under 2. Pregnant or breastfeeding individuals should consult a healthcare professional before use.

What happens if I accidentally apply Molutrex to healthy skin?

If Molutrex contacts healthy surrounding skin, it may cause irritation, redness, or mild erosion due to its alkaline nature. Rinse the affected area with water immediately and allow it to recover before continuing treatment. Take extra care with the applicator to ensure precise, targeted application to the lesion centre only.

What are the alternatives to Molutrex for molluscum contagiosum treatment?

Alternatives include watchful waiting, as the NHS notes molluscum contagiosum often resolves naturally within 6 to 18 months without treatment. Clinical options such as cryotherapy or curettage are available through a GP or dermatologist. Salicylic acid preparations are sometimes used off-label, though evidence for their effectiveness is more limited than for potassium hydroxide solutions like Molutrex.

How long can I use Molutrex for?

Treatment with Molutrex should continue until each lesion becomes inflamed and begins to resolve — at that point, stop applying to that individual lesion. If lesions are not responding after four weeks of consistent twice-daily use, or if new lesions continue to appear, consult your GP or a dermatologist for further assessment.

Can adults get molluscum contagiosum and use Molutrex?

Yes, adults can develop molluscum contagiosum, particularly through close skin-to-skin contact or in immunocompromised individuals. Molutrex is suitable for adult use and can be applied following the same twice-daily protocol as for children. Adults with widespread or persistent lesions should seek medical advice, as this may indicate an underlying immune issue.

Does molluscum contagiosum go away without treatment?

Yes, the NHS confirms that molluscum contagiosum usually clears up on its own without treatment, typically within 6 to 18 months, though it can occasionally persist for longer. However, many people choose to treat it to speed up resolution, prevent spreading to others, or reduce the risk of spreading to other areas of their own body. Molutrex offers a targeted at-home option for those who prefer not to wait.

Is molluscum contagiosum contagious and how can I prevent spreading it?

Molluscum contagiosum is highly contagious and spreads through direct skin contact, shared towels, clothing, or bath water. To reduce the risk of spreading, avoid sharing personal items, cover lesions with clothing or a waterproof plaster where possible, and avoid scratching or picking at the bumps. Treating lesions promptly with a product like Molutrex can help reduce the period of contagiousness.

What are the latest findings on potassium hydroxide for molluscum contagiosum?

Published clinical studies have found that topical potassium hydroxide is an effective and well-tolerated option for molluscum contagiosum, with clearance rates comparable to other active treatments. It is considered a practical at-home alternative to clinic-based procedures, particularly for children. Research continues to support its use as a first-line topical option, and it is referenced in dermatology literature as a keratolytic approach to viral skin lesions. You can explore our skin care range for further support products.

How Should You Use Molutrex 3ml?

Correct application is essential to get the most from Molutrex and to avoid irritating the healthy skin around each lesion. Always read the instructions supplied with the product before you begin, and apply the solution only to the lesions themselves — never to unaffected skin.

Follow these steps for each application:

What Is the Correct Dose of Molutrex 3ml?

The dose of Molutrex is one drop per lesion per application. Do not apply more than one drop to a single lesion in the hope of speeding up results — this increases the risk of skin irritation without improving effectiveness.

The table below summarises the recommended dosing by age group and indication:

When Is the Best Time to Use Molutrex 3ml?

Apply Molutrex twice daily — once in the morning and once in the evening. Spacing applications approximately 12 hours apart helps maintain consistent contact with the lesion throughout the day and night. Many people find it easiest to incorporate application into their morning and bedtime skincare routines, as the skin is typically clean and dry at these times.

Avoid applying immediately after bathing while the skin is still damp, as moisture may reduce the effectiveness of the solution. If you miss an application, simply continue with the next scheduled dose — do not double up.

How Long Can You Use Molutrex 3ml For?

Continue applying Molutrex to each lesion until it becomes visibly inflamed and red — this is the treatment endpoint for that individual lesion and indicates the immune response has been triggered. Do not continue applying to a lesion once this reaction has occurred; allow it to heal naturally from that point.

If a lesion has not responded after four weeks of consistent twice-daily use, or if new lesions continue to appear rapidly, stop treatment and consult your GP or a dermatologist. Prolonged unsupervised use beyond the recommended period is not advised.

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

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What Are the Most Common Side Effects of Molutrex 3ml?

Because Molutrex contains potassium hydroxide — an alkaline, keratolytic compound — some degree of local skin reaction at the application site is expected and is actually a sign that the treatment is working. These reactions are generally mild and confined to the treated lesion.

  • Mild stinging or burning sensation immediately after application
  • Redness (erythema) around the treated lesion
  • Localised swelling or inflammation of the lesion
  • Mild itching at the site of application

What Are the Less Common Side Effects of Molutrex 3ml?

Less frequently, some users may experience more pronounced local reactions, particularly if the solution spreads beyond the lesion to healthy surrounding skin. These are less common but worth being aware of before you begin treatment.

  • Blistering or crusting of the treated area
  • Temporary skin discolouration (hyperpigmentation or hypopigmentation) after the lesion heals
  • Erosion or superficial ulceration if the solution contacts healthy skin
  • Prolonged redness or soreness beyond the expected treatment response

What Are the Serious Side Effects of Molutrex 3ml?

Serious side effects are rare when Molutrex is used correctly and applied only to the lesion centre. However, you should be aware of the following situations that require prompt medical attention:

If the solution accidentally contacts the eyes, this is a medical emergency. Rinse the eye immediately and thoroughly with clean running water for at least 15 minutes and seek urgent medical attention. Accidental ingestion of the solution also requires immediate medical assessment — do not induce vomiting. Widespread skin reactions, severe blistering, or signs of a chemical burn beyond the treated area should be assessed by a healthcare professional without delay.

What Should You Do If You Experience Side Effects of Molutrex 3ml?

For mild, expected reactions such as redness and stinging at the lesion site, no specific action is needed — these are part of the normal treatment response. If the irritation feels excessive or spreads to surrounding skin, stop applying to that lesion and allow the area to recover before reassessing.

If you experience any reaction that concerns you — including severe pain, extensive blistering, or signs of an allergic reaction such as widespread rash, swelling, or difficulty breathing — stop using Molutrex immediately and contact your pharmacist or GP. You can also report suspected side effects to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk.

Can Molutrex 3ml Interact With Other Medicines?

No significant drug interactions with Molutrex have been identified when the product is used topically as directed. However, you should avoid applying other topical treatments, emollients, or moisturisers directly to the same lesion at the same time, as these may dilute the potassium hydroxide solution and reduce its effectiveness. If you are using any prescription topical medicines on nearby skin, speak to your pharmacist before starting Molutrex to ensure there is no risk of interaction or cross-contamination between products.

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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