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Duofilm Cutaneous Solution 15ml

Duofilm Cutaneous Solution 15ml

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  • ✔️ Treats common warts and verrucas on hands and feet
  • ✔️ Contains dual keratolytic acids for effective skin breakdown
  • ✔️ Collodion base ensures prolonged contact with wart tissue
  • ✔️ Suitable for adults and children without a prescription
  • ✔️ Clinically established salicylic acid formula recommended by NHS

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What Is Duofilm — a Wart Remover Solution?

 

Warts and verrucas are incredibly common. In fact, most people will develop at least one at some point in their lives. They are caused by the human papillomavirus (HPV), which triggers an overgrowth of skin cells, creating those familiar rough, raised lumps. Duofilm Cutaneous Solution 15ml is a clinically established, over-the-counter wart remover solution that targets this hardened skin directly, helping to gradually break it down with continued use. You can browse our full range of skin care products if you are looking for additional support alongside your wart treatment.

Duofilm contains two active ingredients — salicylic acid 16.7% and lactic acid 16.7% — suspended in a flexible collodion base. This combination has been used in dermatology for decades and is recommended by the NHS as a first-line treatment for common warts and verrucas. It is suitable for adults and children alike, making it a practical choice for the whole family.

 

How Does Duofilm Cutaneous Solution Work?

 

The mechanism behind Duofilm is straightforward but effective. Salicylic acid is a keratolytic agent — it loosens and softens the keratin protein that makes up the outer layers of a wart. Lactic acid works alongside it, enhancing penetration and further breaking down the thickened skin. Together, they create an environment where the wart tissue gradually sloughs away with regular filing and reapplication.

  • Salicylic acid softens the hardened keratin layer of the wart
  • Lactic acid enhances skin penetration and aids keratolysis
  • The collodion base forms a thin film, keeping the active ingredients in contact with the wart
  • Dead skin is filed away between applications, exposing fresh layers for treatment

 

Who Should Use Duofilm Cutaneous Solution?

 

Duofilm is suitable for most adults and children who have common warts or verrucas on their hands or feet. It is particularly useful if you have tried other remedies without success, or if you want a straightforward, pharmacy-available option before seeking GP advice. That said, it is not appropriate for everyone.

  • Adults and children with common warts or verrucas on hands or feet
  • People looking for a non-prescription, topical treatment option
  • Those who have not responded to simple home remedies
  • Patients who want a cost-effective first-line treatment before considering cryotherapy

Do not use Duofilm if you have diabetes, poor circulation, or peripheral neuropathy, as these conditions can affect skin healing and increase the risk of complications. It should also be avoided on facial warts, genital warts, or any wart with hair growing from it.

 

How Does Duofilm Compare to Other Wart Treatments?

 

Feature Duofilm Cutaneous Solution Bazuka Extra Strength Gel
Active ingredient Salicylic acid 16.7% + Lactic acid 16.7% Salicylic acid 26%
Formulation Liquid solution (collodion base) Gel
Suitable for children Yes (with care) Yes (with care)
OTC availability Yes Yes

 

Is Duofilm Safe to Store at Home?

 

Yes, provided you follow a few simple precautions. Duofilm Cutaneous Solution contains collodion, which is highly flammable. Store it below 25°C, away from heat sources and naked flames. Keep the cap tightly closed when not in use to prevent evaporation of the solvent. Always store it out of reach of children. If you are managing other skin conditions alongside wart treatment, you may find our creams and ointments collection useful for supporting skin health more broadly.

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.

Duofilm Cutaneous Solution 15ml specifications
Treatment category Warts and verrucas
Mechanism of action Keratolytic — softens and breaks down hardened wart tissue
Effective for Common warts and verrucas on hands and feet
Suitable for Adults and children (not for use on face or genitals)
Active ingredient Salicylic acid 16.7%, Lactic acid 16.7%
Pack size 15ml
UK classification General Sale List (GSL)
Drug class Keratolytic agent
Preparation Cutaneous solution
Route of administration Topical (cutaneous)

Specifications of Duofilm Cutaneous Solution 15ml

 

What Is Duofilm Cutaneous Solution and What Is It Used For?

 

Duofilm Cutaneous Solution is a topical, over-the-counter medicine used to treat common warts (verruca vulgaris) and verrucas (plantar warts). It contains two keratolytic agents — salicylic acid 16.7% and lactic acid 16.7% — in a collodion base. These ingredients work together to soften and gradually remove the thickened skin that forms a wart. The NHS recommends salicylic acid as a first-line treatment for warts and verrucas, and Duofilm delivers both active acids in a single, easy-to-apply solution.

Warts are caused by certain strains of the human papillomavirus (HPV). They are not dangerous, but they can be uncomfortable, persistent, and sometimes embarrassing. Duofilm offers a discreet, at-home option that you can use consistently over several weeks to achieve clearance.

 

What Do You Need to Know Before Using Duofilm Cutaneous Solution?

 

Before you start using Duofilm, it is important to check whether it is appropriate for you. There are certain situations where you should not use this product.

Do not use Duofilm if you:

  • Are allergic to salicylic acid, lactic acid, or any other ingredient in the solution
  • Have diabetes, peripheral arterial disease, or poor circulation
  • Have peripheral neuropathy (reduced sensation in the feet or hands)
  • Want to treat warts on the face, genitals, or anal area
  • Want to treat warts with hair growing from them
  • Are treating a mole, birthmark, or unusual skin lesion — always get these checked by a GP first

Warnings and precautions:

  • Avoid contact with healthy skin, eyes, and mucous membranes
  • The solution is highly flammable — keep away from naked flames and heat sources
  • Do not inhale the vapour — use in a well-ventilated area
  • Protect surrounding healthy skin with petroleum jelly before applying
  • If you are pregnant or breastfeeding, speak to your pharmacist before use

Known drug interactions:

  • No significant systemic drug interactions are known for topically applied salicylic acid at this concentration
  • Avoid using alongside other keratolytic or caustic skin preparations on the same area

 

How Should You Use Duofilm Cutaneous Solution?

 

Consistent daily application is key to getting results. Follow these steps carefully each time you use Duofilm.

  1. Soak the affected area in warm water for five minutes to soften the skin
  2. Dry the area thoroughly with a clean towel
  3. Gently file away any dead or loose skin using an emery board or pumice stone (do not share this with others)
  4. Apply petroleum jelly to the healthy skin surrounding the wart to protect it
  5. Using the built-in applicator, apply one drop of Duofilm directly onto the wart only
  6. Allow the solution to dry completely — this takes around one to two minutes
  7. Repeat once daily, ideally at bedtime
Indication Age Group Dose Frequency
Common warts (hands) Adults and children 1–2 drops per wart Once daily
Verrucas (feet) Adults and children 1–2 drops per verruca Once daily

 

What Are the Possible Side Effects of Duofilm Cutaneous Solution?

 

Like all medicines, Duofilm can cause side effects, although not everyone experiences them. Most side effects are localised to the application site and are mild.

Common side effects:

  • Mild stinging or burning sensation at the application site
  • Redness of the skin around the treated area
  • Skin irritation or dryness

Less common side effects:

  • Blistering or ulceration if applied to healthy skin
  • Allergic contact dermatitis (rash, itching, swelling)
  • Discolouration of the treated skin

If you notice any signs of a serious allergic reaction — such as widespread rash, swelling of the face or throat, or difficulty breathing — stop using Duofilm immediately and seek urgent medical attention. You can find further guidance on managing skin reactions in our first aid collection.

 

How Should You Store Duofilm Cutaneous Solution?

 

Correct storage keeps the solution effective and safe throughout its shelf life. Follow these instructions carefully.

  • Store below 25°C in a cool, dry place
  • Keep away from heat sources, sparks, and naked flames — the solution is highly flammable
  • Always replace the cap tightly after use to prevent evaporation
  • Keep out of the sight and reach of children
  • Do not use after the expiry date printed on the label
  • Do not dispose of via wastewater or household waste — return unused medicine to your pharmacist

If you are looking for other topical treatments to support your skin health, explore our foot care range for products that complement verruca treatment.

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 Duofilm Cutaneous Solution online in the UK?

You can buy Duofilm Cutaneous Solution 15ml directly from Cured Pharmacy, a GPhC-registered online pharmacy. It is available without a prescription as an over-the-counter wart remover solution. Simply add it to your basket and it will be dispatched to your door.

How does Duofilm work on warts and verrucas?

Duofilm contains salicylic acid and lactic acid, both of which are keratolytic agents — meaning they soften and break down the hardened skin that makes up a wart. The collodion base forms a thin film over the wart, keeping the active ingredients in close contact with the tissue. With daily use, the wart gradually breaks down and can be filed away layer by layer.

How do I use Duofilm step by step?

Follow these steps for best results:

  1. Soak the wart in warm water for five minutes
  2. Dry thoroughly and file away dead skin
  3. Protect surrounding skin with petroleum jelly
  4. Apply one drop of Duofilm directly to the wart using the applicator
  5. Allow to dry fully before covering

Repeat once daily, ideally at bedtime, for up to 12 weeks.

How long does Duofilm take to clear a wart?

Most warts and verrucas respond within 6 to 12 weeks of consistent daily treatment. Smaller warts may clear sooner, while larger or more stubborn ones can take the full treatment course. If there is no improvement after 12 weeks, speak to your GP or pharmacist about alternative options such as cryotherapy.

What is the best time to apply Duofilm?

Applying Duofilm at bedtime is generally recommended, as it allows the solution to remain undisturbed on the wart overnight. This maximises contact time between the active ingredients and the wart tissue. Make sure the area is clean and dry before application each evening.

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

The most common side effects are mild stinging, redness, and skin irritation at the application site. To manage these:

  • Always protect surrounding healthy skin with petroleum jelly before applying
  • Reduce application frequency temporarily if irritation is significant
  • Stop use and consult a pharmacist if blistering or severe irritation occurs
Who is eligible to use Duofilm Cutaneous Solution?

Duofilm is suitable for adults and children with common warts or verrucas on the hands or feet. It should not be used by people with diabetes, poor circulation, or peripheral neuropathy, as these conditions can impair skin healing. It is also not suitable for use on facial, genital, or anal warts.

Can children use Duofilm Cutaneous Solution?

Yes, Duofilm can be used in children, but extra care should be taken to protect the surrounding healthy skin. Always supervise children during application and keep the product out of their reach at all other times. If you are unsure whether Duofilm is appropriate for your child, speak to a pharmacist before starting treatment.

Can I use Duofilm on facial or genital warts?

No. Duofilm must not be applied to warts on the face, genitals, or anal area. The skin in these regions is far more sensitive and the solution could cause significant irritation or damage. Facial and genital warts require assessment and treatment by a GP or sexual health clinic.

What happens if I miss a dose of Duofilm?

If you miss a day, simply continue with your next scheduled application — do not apply a double dose to compensate. Consistency matters more than perfection, so try to build the application into your evening routine. Missing the occasional day is unlikely to significantly affect your overall results.

How long can you use Duofilm for?

Duofilm should be used for a maximum of 12 weeks. If the wart has not cleared after this period, stop use and consult your GP or pharmacist. Prolonged use beyond the recommended duration without medical advice is not recommended, as it may cause unnecessary skin irritation.

What are the alternatives to Duofilm for wart removal?

Several alternatives are available depending on the size and location of your wart:

  • Other salicylic acid gels such as Bazuka Extra Strength
  • Cryotherapy (freezing) available from a pharmacist or GP
  • Duct tape occlusion therapy (limited evidence but low risk)

You can explore our skin care range for further topical treatment options.

Is Duofilm the same as a wart remover solution you get from a GP?

Duofilm contains the same active ingredients — salicylic acid and lactic acid — that are recommended by the NHS as a first-line wart treatment. GPs may prescribe higher-strength formulations or refer patients for cryotherapy if over-the-counter treatments have not worked. For most people, Duofilm is an appropriate starting point before seeking GP input.

Can I use Duofilm if I am pregnant or breastfeeding?

There is limited data on the use of topical salicylic acid during pregnancy and breastfeeding. As a precaution, speak to your pharmacist or GP before using Duofilm if you are pregnant, planning to become pregnant, or currently breastfeeding. They can advise on the most appropriate treatment for your situation.

What are the latest findings on salicylic acid for wart treatment?

Salicylic acid remains one of the most studied and consistently recommended treatments for common warts. A Cochrane review found that salicylic acid preparations showed a significantly higher cure rate compared to placebo. The NHS continues to recommend it as the first-line topical treatment for warts and verrucas. You can find further information on managing skin conditions through our creams and ointments collection.

How Should You Use Duofilm Cutaneous Solution?

Applying Duofilm correctly makes a real difference to how quickly and effectively it works. Always read the label before use and follow these steps each time you apply the solution.

Repeat this process once daily. Consistency is everything with this type of treatment — skipping days will slow your progress.

What Is the Correct Dose of Duofilm Cutaneous Solution?

The dose is the same for adults and children, though younger children should always be supervised during application. Apply only to the wart itself — never to surrounding healthy skin.

Do not apply more than the recommended amount in an attempt to speed up results — this will only increase the risk of skin irritation without improving efficacy.

When Is the Best Time to Use Duofilm Cutaneous Solution?

Bedtime is the ideal time to apply Duofilm. Applying it in the evening means the solution can remain in contact with the wart undisturbed overnight, maximising the time the active ingredients spend working on the tissue. It also means you are less likely to accidentally rub the solution off during daily activities. Building the application into your nightly routine — perhaps after a bath or shower — makes it easier to stay consistent.

How Long Can You Use Duofilm Cutaneous Solution For?

Duofilm should be used for a maximum of 12 weeks. Most warts and verrucas will show visible improvement within this period, with many clearing completely. If your wart has not responded after 12 weeks of daily use, stop treatment and speak to your GP or pharmacist. They may recommend cryotherapy or another approach. Do not continue using Duofilm beyond 12 weeks without medical advice, as prolonged use can cause unnecessary irritation to the surrounding skin.

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 Duofilm Cutaneous Solution?

Most people who use Duofilm experience only mild, localised side effects at the application site. These are generally a sign that the active ingredients are working, but they should be managed carefully to avoid unnecessary discomfort.

  • Mild stinging or burning sensation immediately after application
  • Redness of the skin directly around the treated wart
  • Dryness or flaking of the skin at the application site
  • Temporary skin discolouration (whitening) of the treated area

These effects are usually short-lived and settle as the skin adjusts to treatment. Protecting surrounding healthy skin with petroleum jelly before each application significantly reduces the likelihood of irritation spreading beyond the wart.

What Are the Less Common Side Effects of Duofilm Cutaneous Solution?

Less commonly, some people may experience more noticeable reactions, particularly if the solution comes into contact with healthy skin or is applied too frequently.

  • Blistering or ulceration of the skin if applied outside the wart area
  • Allergic contact dermatitis — presenting as an itchy, spreading rash
  • Swelling or tenderness around the treated site
  • Prolonged skin discolouration

If you notice any of these reactions, reduce the frequency of application or take a short break from treatment. If symptoms persist or worsen, stop using Duofilm and consult your pharmacist.

What Are the Serious Side Effects of Duofilm Cutaneous Solution?

Serious side effects are rare when Duofilm is used as directed. However, you should be aware of the signs of a serious allergic reaction (anaphylaxis), which — though extremely uncommon — requires immediate medical attention.

  • Widespread skin rash or hives
  • Swelling of the face, lips, tongue, or throat
  • Difficulty breathing or swallowing
  • Dizziness or feeling faint

If you experience any of these symptoms, stop using Duofilm immediately and call 999 or go to your nearest A&E department.

What Should You Do If You Experience Side Effects of Duofilm?

For mild irritation, reduce application frequency and ensure you are protecting surrounding skin adequately. If the irritation is moderate — such as persistent redness or mild blistering — stop use for a few days and allow the skin to recover before restarting. For any severe or unexpected reaction, stop treatment immediately and seek advice from your pharmacist or GP. You can also report side effects directly to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk.

Can Duofilm Interact With Other Medicines?

No significant systemic drug interactions are known for Duofilm when used topically at the recommended dose. However, you should avoid applying other keratolytic or caustic preparations to the same area at the same time, as this could increase the risk of skin damage. If you are using any other topical medicines on or near the treated area, speak to your pharmacist before starting Duofilm.

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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