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Bazuka Extra Strength Treatment Gel with Emery Board, 6g

Bazuka Extra Strength Treatment Gel with Emery Board, 6g

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  • 6. Over 22 million patients treated with semaglutide-based therapies since 2018

  • ✔️ Treats warts, verrucas, corns, and calluses effectively
  • ✔️ Contains 26% salicylic acid for stubborn, thicker warts
  • ✔️ Includes emery board for complete at-home treatment
  • ✔️ Suitable for adults and children aged 2 and over
  • ✔️ Clinically established keratolytic action over 12 weeks

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Is Bazuka Extra Strength Gel Right for Your Wart or Verruca?

 

Warts and verrucas are incredibly common. In fact, the NHS estimates that most people will develop at least one wart at some point in their lives. They are caused by the human papillomavirus (HPV), which triggers an overgrowth of skin cells — resulting in those familiar rough, raised lumps that can appear on hands, feet, and elsewhere. Bazuka Extra Strength gel is a clinically established, over-the-counter topical treatment designed to tackle exactly this problem. At just £5.99 for a 6g tube with an included emery board, it offers a straightforward, pharmacy-trusted option you can use at home. You can browse the full range of related products in our foot care collection.

The gel contains 26% salicylic acid as its active ingredient — a concentration specifically chosen for stubborn or thicker warts and verrucas. It is a P (pharmacy) medicine, meaning it is available without a prescription but is sold under pharmacist supervision.

 

How Does Bazuka Extra Strength Gel Work on Warts and Verrucas?

 

Salicylic acid is a keratolytic agent. That means it works by softening and dissolving keratin — the protein that makes up the outer layers of your skin. When applied to a wart or verruca, it gradually breaks down the hardened, virus-infected skin cells, allowing them to be filed away over time. The process is not instant, but it is well-evidenced.

  • Salicylic acid penetrates the thickened skin overlying the wart
  • It disrupts the structural integrity of the infected keratin layer
  • Dead skin is then removed using the included emery board
  • Repeated daily application progressively reduces the wart's size
  • The immune system may also be stimulated to recognise and attack the underlying HPV infection

 

Who Should Use Bazuka Extra Strength Gel?

 

This product is suitable for adults and children aged 2 years and over who have warts, verrucas, corns, or calluses on their hands or feet. It is particularly useful when standard-strength treatments have not produced results, or when the wart is particularly thick or well-established. That said, it is not appropriate for everyone.

  • Adults with common warts or plantar verrucas on hands or feet
  • People with corns or calluses seeking a keratolytic treatment
  • Children aged 2 and over (with adult supervision)
  • Those who prefer a home-based treatment before seeking clinical removal

It is not suitable for use on the face, genitals, or broken skin. People with diabetes, poor circulation, or peripheral neuropathy should speak to their GP or pharmacist before use, as reduced sensation in the feet can mask skin damage.

 

How Does Bazuka Extra Strength Gel Compare to Alternative Wart Treatments?

 

Feature Bazuka Extra Strength Gel 6g Cryotherapy (e.g. Wartner)
Active ingredient Salicylic acid 26% Dimethyl ether / propane (freezing agent)
Mechanism Keratolytic — dissolves infected skin Cryogenic — freezes and destroys tissue
Suitable for children (2+) Yes Check individual product labelling
Treatment duration Up to 12 weeks daily Typically 1–3 applications

 

Is Bazuka Extra Strength Gel Safe to Store at Home?

 

Yes — provided you follow a few straightforward precautions. Store the tube below 25°C, away from direct heat sources and open flames. The gel is flammable, so keep it away from naked flames until it has fully dried on the skin. Always replace the cap tightly after use and keep the product out of reach of children. If you are also managing a fungal skin condition alongside a wart, you may find our athletes foot and fungal infections collection useful for complementary treatments.

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.

Bazuka Extra Strength Treatment Gel with Emery Board, 6g specifications
Treatment category Warts, verrucas, corns, and calluses
Mechanism of action Keratolytic — salicylic acid softens and removes infected skin cells
Effective for Common warts, plantar verrucas, corns, calluses
Suitable for Adults and children aged 2 years and over
Active ingredient Salicylic acid 26% w/w
Pack size 6g tube with emery board
UK classification P (Pharmacy medicine)
Drug class Keratolytic agent
Preparation Topical gel
Route of administration Topical (skin)

Specifications of Bazuka Extra Strength Treatment Gel with Emery Board, 6g

 

What Is Bazuka Extra Strength Gel and What Is It Used For?

 

Bazuka Extra Strength Treatment Gel is a topical, over-the-counter medicine containing 26% salicylic acid. It is used to treat warts, verrucas, corns, and calluses. Warts are small, rough growths caused by certain strains of the human papillomavirus (HPV). Verrucas — also called plantar warts — appear on the soles of the feet and can be particularly uncomfortable when walking. Corns and calluses are areas of thickened skin that develop in response to repeated pressure or friction. This gel works by softening and breaking down the affected skin so it can be gradually removed.

 

What Do You Need to Know Before Using Bazuka Extra Strength Gel?

 

Before you start using this product, it is important to check that it is appropriate for you. Do not use it if any of the following apply:

  • You are allergic to salicylic acid or any other ingredient in the gel
  • The wart or verruca is on your face, genitals, or anal area
  • The skin in the treatment area is broken, inflamed, or infected
  • You have diabetes, poor circulation, or peripheral neuropathy — seek medical advice first
  • The child to be treated is under 2 years of age
  • You are treating a mole, birthmark, or unusual skin lesion — see your GP first

There are no known significant drug interactions with topical salicylic acid at this concentration. However, if you are using other topical skin preparations on the same area, speak to your pharmacist before combining treatments. You may also find it helpful to explore our skin care collection for complementary products.

  • No significant interactions with oral medicines are expected at this topical dose
  • Avoid concurrent use of other keratolytic agents on the same site without pharmacist advice

 

How Should You Use Bazuka Extra Strength Gel?

 

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

  1. Soak the affected area in warm water for 2–3 minutes to soften the skin
  2. Dry the area thoroughly with a clean towel
  3. Gently rub away any loose or dead skin using the emery board provided
  4. Apply a thin layer of gel directly onto the wart, verruca, corn, or callus only — avoid surrounding healthy skin
  5. Allow the gel to dry completely (approximately 1–2 minutes)
  6. If desired, cover with a plaster to protect the area
  7. Repeat once daily, ideally in the evening
Indication Age Group Dose Frequency
Warts / verrucas Adults & children 2+ Thin layer to affected area only Once daily
Corns / calluses Adults & children 2+ Thin layer to affected area only Once daily
Children under 2 Not applicable Do not use

 

What Are the Possible Side Effects of Bazuka Extra Strength Gel?

 

Like all medicines, Bazuka Extra Strength gel can cause side effects, although not everyone experiences them. Most side effects are localised to the area of application and are mild.

Common side effects:

  • Mild stinging or burning sensation at the application site
  • Redness of the skin immediately surrounding the treated area
  • Skin dryness or flaking around the wart

Less common side effects:

  • Blistering or erosion of the skin if applied too liberally or to healthy skin
  • Allergic contact dermatitis (rash, itching, swelling) — stop use immediately if this occurs
  • Prolonged irritation if the gel contacts broken or inflamed skin

If you experience significant pain, spreading redness, or signs of infection (warmth, pus, fever), stop using the gel and consult your GP or pharmacist promptly. You can also find useful first aid products in our first aid collection if you need to manage minor skin irritation.

 

How Should You Store Bazuka Extra Strength Gel?

 

  • Store below 25°C in a cool, dry place
  • Keep away from direct heat sources, sunlight, and open flames — the gel is flammable
  • Do not allow the gel to dry on the skin near a naked flame
  • Replace the cap tightly after every use to prevent the gel from drying out
  • Keep out of the reach and sight of children
  • Do not use after the expiry date printed on the tube
  • Do not store in the bathroom or near moisture

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 Bazuka Extra Strength gel online in the UK?

You can buy Bazuka Extra Strength gel directly from Cured Pharmacy, a GPhC-registered UK online pharmacy. It is available without a prescription as an over-the-counter treatment. Simply add it to your basket and it will be dispatched to your door.

How does Bazuka Extra Strength gel work on warts and verrucas?

Bazuka Extra Strength gel contains 26% salicylic acid, a keratolytic agent that softens and dissolves the hardened, virus-infected skin cells that make up a wart or verruca. With daily application, the affected tissue is gradually broken down and can be filed away using the included emery board. Over several weeks, this process reduces the size of the wart until it clears completely.

How do I use Bazuka Extra Strength gel step by step?

Start by soaking the affected area in warm water for 2–3 minutes, then dry it thoroughly. Use the emery board to gently file away any loose dead skin before applying a thin layer of gel directly onto the wart or verruca only — avoid healthy surrounding skin. Allow the gel to dry fully, then cover with a plaster if you wish, and repeat this process once daily.

How long does Bazuka Extra Strength gel take to work?

Treatment duration varies depending on the size, thickness, and location of the wart or verruca. Many people notice gradual improvement within a few weeks of consistent daily use. The NHS advises that wart treatments can take up to 12 weeks to fully clear the lesion, so patience and consistency are important.

Can children use Bazuka Extra Strength gel?

Bazuka Extra Strength gel is not recommended for children under 2 years of age. For children aged 2 and over, it can be used under adult supervision. If you are unsure whether it is appropriate for your child, speak to a pharmacist before starting treatment.

What are the side effects of Bazuka Extra Strength gel?

The most commonly reported side effects are mild stinging, redness, or skin dryness at the application site. These are usually temporary and settle with continued use. If you experience blistering, significant pain, or signs of an allergic reaction such as swelling or spreading rash, stop using the gel and consult your pharmacist or GP.

Is Bazuka Extra Strength gel safe for people with diabetes?

People with diabetes should not use Bazuka Extra Strength gel without first consulting their doctor or pharmacist. Diabetes can reduce circulation and sensation in the feet, which means skin damage may go unnoticed and could lead to complications. A healthcare professional can advise on the safest approach to treating foot warts or verrucas in this group.

What is the difference between Bazuka Extra Strength and standard Bazuka gel?

Bazuka Extra Strength gel contains 26% salicylic acid, which is a higher concentration than the standard Bazuka Treatment Gel formulation. This makes it more suitable for thicker, more stubborn warts and verrucas that have not responded to lower-strength treatments. If you are unsure which strength is right for you, a pharmacist can help you decide.

Can I use Bazuka Extra Strength gel on a verruca on my foot?

Yes — Bazuka Extra Strength gel is specifically designed for use on warts and verrucas on the hands and feet. Plantar verrucas on the sole of the foot are a common indication for this product. Soak the foot first, file away dead skin with the emery board, then apply the gel carefully to the verruca only. You can find more foot-specific products in our foot care collection.

How long can I use Bazuka Extra Strength gel for?

You can use Bazuka Extra Strength gel for up to 12 weeks. If the wart or verruca has not cleared after this period, stop treatment and consult your GP, as further investigation or alternative treatments may be needed. Do not continue beyond 12 weeks without medical advice.

What happens if I accidentally apply Bazuka Extra Strength gel to healthy skin?

Applying the gel to healthy skin can cause irritation, redness, or mild chemical burns due to the high concentration of salicylic acid. If this happens, wash the area thoroughly with soap and water. To prevent accidental contact, apply petroleum jelly (such as Vaseline) around the wart before applying the gel to act as a barrier.

What are the alternatives to Bazuka Extra Strength gel for wart treatment?

Alternatives include cryotherapy products such as Wartner or Bazuka Sub Zero, which freeze the wart rather than dissolving it chemically. Your GP can also refer you for professional cryotherapy using liquid nitrogen for persistent cases. If you are also dealing with a fungal skin condition alongside a wart, our athletes foot and fungal infections collection has relevant options.

Is Bazuka Extra Strength gel flammable?

Yes — Bazuka Extra Strength gel is flammable. You should keep it away from naked flames, cigarettes, and other heat sources, both during application and while the gel is drying on the skin. Store the tube away from direct heat and sunlight, and always replace the cap tightly after use.

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

Salicylic acid remains one of the most well-evidenced first-line treatments for common warts and verrucas. A Cochrane review found that salicylic acid preparations showed a statistically significant benefit over placebo in clearing warts. The NHS continues to recommend salicylic acid as a first-line home treatment before considering clinical cryotherapy.

Can I use Bazuka Extra Strength gel on a corn or callus?

Yes — Bazuka Extra Strength gel is licensed for use on corns and calluses as well as warts and verrucas. The salicylic acid softens the thickened skin, making it easier to file away. Apply it in the same way as for warts — soak, dry, file, apply, and allow to dry — once daily until the corn or callus resolves.

How Should You Use Bazuka Extra Strength Treatment Gel?

Using Bazuka Extra Strength gel correctly makes a real difference to how quickly you see results. The key is consistency — daily application following the correct preparation steps gives the salicylic acid the best chance to work through the thickened skin. Always apply the gel to the wart, verruca, corn, or callus only, and take care to protect the healthy skin around it.

What Is the Correct Dose of Bazuka Extra Strength Treatment Gel?

There is no measured dose as such — the correct amount is a thin layer applied to the affected area only. Applying more gel than necessary does not speed up treatment and increases the risk of irritating the surrounding healthy skin. Use the emery board before each application to ensure the gel can penetrate effectively.

When Is the Best Time to Use Bazuka Extra Strength Treatment Gel?

Evening application is generally recommended, as it allows the gel to work undisturbed overnight. Applying it before bed also means you are less likely to accidentally rub the gel off during daily activities. If you cover the treated area with a plaster after application, this can help keep the gel in contact with the wart for longer, potentially improving results.

Try to build the treatment into your evening routine — for example, after a bath or shower when the skin is already softened. This reduces the soaking step and makes the process quicker and easier to maintain consistently.

How Long Can You Use Bazuka Extra Strength Treatment Gel For?

You can use Bazuka Extra Strength gel for up to 12 weeks. Most warts and verrucas will show gradual improvement within this period with consistent daily use. If the wart or verruca has not cleared after 12 weeks of treatment, stop using the gel and consult your GP, as further investigation or an alternative treatment approach may be needed.

Do not continue using the gel beyond 12 weeks without medical advice. If at any point the treated area becomes significantly painful, infected, or shows signs of spreading redness, stop treatment and seek advice from a pharmacist or GP promptly.

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 Bazuka Extra Strength Gel?

Most people who use Bazuka Extra Strength gel tolerate it well, particularly when it is applied carefully to the affected area only. The most frequently reported side effects are localised to the skin at the application site and are generally mild and temporary.

  • Mild stinging or burning sensation immediately after application
  • Redness of the skin directly surrounding the treated wart or verruca
  • Skin dryness or flaking around the application site
  • Slight tenderness when pressure is applied to the treated area

What Are the Less Common Side Effects of Bazuka Extra Strength Gel?

Less commonly, some people experience more noticeable skin reactions, particularly if the gel is applied too liberally or comes into contact with healthy skin. These reactions are more likely if you have sensitive skin or if the treated area is already irritated.

  • Blistering or superficial erosion of the skin if the gel spreads beyond the wart
  • Prolonged redness or soreness lasting more than 24 hours after application
  • Skin peeling or crusting around the treated site
  • Discomfort when walking, if the treated verruca is on the sole of the foot

What Are the Serious Side Effects of Bazuka Extra Strength Gel?

Serious side effects are rare but can occur, particularly in people who are allergic to salicylic acid or who use the product on broken, infected, or inflamed skin. Stop using the gel immediately and seek medical advice if you notice any of the following:

  • Signs of an allergic reaction — including rash, itching, swelling of the face or lips, or difficulty breathing
  • Signs of skin infection — including increasing warmth, pus, or fever around the treated area
  • Significant pain or deep tissue damage at the application site

What Should You Do If You Experience Side Effects of Bazuka Extra Strength Gel?

For mild irritation, you can usually continue treatment but take extra care to apply the gel only to the wart itself. Applying a thin layer of petroleum jelly (such as Vaseline) around the wart before applying the gel can help protect the surrounding skin. If irritation persists or worsens, stop using the product and speak to your pharmacist.

For more serious reactions — particularly any signs of infection or allergic response — stop treatment immediately and contact your GP or pharmacist. Do not attempt to continue treatment if the skin around the wart is broken, weeping, or showing signs of spreading inflammation.

Can Bazuka Extra Strength Gel Interact With Other Medicines?

No significant interactions between topical salicylic acid at this concentration and oral or topical medicines have been established. However, you should avoid applying other keratolytic or exfoliating skin preparations to the same area at the same time, as this could increase the risk of skin irritation or damage. If you are using any prescription skin treatments, check with your pharmacist before using Bazuka Extra Strength gel on the same site.

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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