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Excilor Nail Fungus Treatment 1 bottle 3.3ml

Excilor Nail Fungus Treatment 1 bottle 3.3ml

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  • ✔️ Targets dermatophyte fungi causing discoloured, thickened nails
  • ✔️ Lowers nail pH to stop fungal growth naturally
  • ✔️ Compact 3.3ml bottle with integrated brush applicator
  • ✔️ Suitable for toenail and fingernail fungal infections
  • ✔️ No prescription required — available over the counter

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What Is Excilor Nail Fungus Treatment?

 

Fungal nail infections — known clinically as onychomycosis — are far more common than most people realise. The NHS estimates they affect around 3 in 100 people in the UK at any one time, causing nails to become thickened, discoloured, and brittle. If you've noticed your toenail turning yellow or crumbling at the edges, you're certainly not alone. Nail fungus treatment is something millions of people search for every year, and Excilor Nail Fungus Treatment 3.3ml is one of the most widely recognised over-the-counter options available. You can find it alongside a full range of products in our athletes foot and fungal infections collection.

Excilor is a topical solution supplied in a compact 3.3ml bottle with an integrated brush applicator. It's designed for daily use on affected toenails or fingernails and works without the need for a prescription. At £21.39, it offers a straightforward, accessible option for people looking to tackle a stubborn fungal infection at home.

 

How Does Excilor Nail Fungus Treatment Work?

 

Unlike traditional antifungal nail lacquers that rely on a pharmacologically active antifungal drug, Excilor takes a different approach. It uses acetic acid — the same organic acid found in vinegar — to alter the pH environment within the nail plate itself. Fungi, including the dermatophytes most commonly responsible for onychomycosis, thrive in a neutral to slightly alkaline environment. By making the nail more acidic, Excilor creates conditions in which the fungus simply cannot survive or replicate.

  • The solution penetrates the nail plate via a film-forming vehicle
  • Acetic acid lowers the local pH of the nail
  • The acidic microenvironment inhibits fungal growth
  • Healthy nail tissue gradually replaces the infected nail as it grows out

This mechanism means Excilor is not classified as a medicinal antifungal drug — it's a medical device. That distinction matters because it means it works physically rather than pharmacologically, which some patients find reassuring.

 

Who Should Use Excilor Nail Fungus Treatment?

 

Excilor is intended for adults and young people aged 12 and over who have a mild to moderate fungal nail infection. It's particularly well suited to people who prefer a non-prescription, drug-free approach, or those who have found traditional antifungal lacquers inconvenient due to weekly application schedules.

  • Adults with discoloured, thickened, or brittle toenails or fingernails
  • People seeking an OTC nail fungus treatment without a prescription
  • Those who have previously used antifungal lacquers and want an alternative
  • Individuals in the early to moderate stages of onychomycosis

It is not suitable for severe infections where the nail matrix is involved, or for people with diabetes or peripheral vascular disease, who should always seek medical advice before treating any foot condition.

 

How Does Excilor Compare to Amorolfine Nail Lacquer?

 

Feature Excilor 3.3ml Amorolfine Nail Lacquer (e.g. Curanail)
Active mechanism Acetic acid (pH reduction) Antifungal drug (ergosterol inhibition)
Application frequency Once daily Once or twice weekly
Prescription required No No (OTC strength)
Classification Medical device Licensed medicine

 

Is Excilor Suitable for Long-Term Use and How Should It Be Stored?

 

Because nail fungus treatment requires patience — nails grow slowly, and infected tissue must be fully replaced — Excilor is designed for extended daily use until a healthy nail has completely grown back. This can take anywhere from three to twelve months depending on the nail affected and the severity of the infection. Toenails grow more slowly than fingernails, so toenail infections typically require longer treatment periods.

Store Excilor below 25°C, away from direct sunlight and out of reach of children. The solution is flammable, so keep it away from naked flames. If you're also managing related skin concerns, our foot care collection includes complementary products that may help support overall foot health during treatment.

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.

Excilor Nail Fungus Treatment 1 bottle 3.3ml specifications
Treatment category Fungal nail infection (onychomycosis)
Mechanism of action Acetic acid lowers nail pH to inhibit fungal growth
Effective against Dermatophyte fungi causing onychomycosis
Suitable for Adults and children aged 12 and over
Active ingredient Acetic acid (in film-forming solution)
Pack size 3.3ml (1 bottle)
UK classification Medical device (CE marked)
Preparation Topical solution with brush applicator
Route of administration Topical (applied directly to nail)

Specifications of Excilor Nail Fungus Treatment 1 bottle 3.3ml

 

What Is Excilor Nail Fungus Treatment and What Is It Used For?

 

Excilor Nail Fungus Treatment is a topical medical device solution used to treat onychomycosis — the clinical term for a fungal nail infection. It is applied directly to affected toenails or fingernails once daily using its integrated brush applicator. The solution works by lowering the pH of the nail plate using acetic acid, making the environment hostile to the fungi responsible for the infection. It is available over the counter without a prescription and is suitable for adults and young people aged 12 and over.

Fungal nail infections are caused most commonly by dermatophyte fungi, though yeasts and non-dermatophyte moulds can also be responsible. The NHS notes that these infections can cause nails to become yellow, thickened, and crumbly — and without treatment, they rarely resolve on their own. Excilor offers a daily nail fungus treatment option that is straightforward to incorporate into your routine.

 

What Do You Need to Know Before Using Excilor Nail Fungus Treatment?

 

Before starting treatment, read the following carefully. Excilor is not appropriate for everyone, and certain conditions or circumstances mean you should seek advice first.

Do not use Excilor if:

  • You are under 12 years of age
  • You are allergic to any of the ingredients, including acetic acid
  • The skin around the nail is broken, inflamed, or infected
  • You have a severe fungal nail infection involving the nail matrix (base of the nail)

Speak to your pharmacist or GP before use if:

  • You have diabetes — foot infections in diabetic patients require medical supervision
  • You have poor circulation or peripheral vascular disease
  • You are pregnant or breastfeeding — seek advice before use
  • You are unsure whether your nail condition is fungal in origin

Drug interactions:

  • No significant drug interactions are currently known for Excilor
  • As a topically applied medical device, systemic absorption is minimal
  • If you are using other topical nail products simultaneously, consult your pharmacist

 

How Should You Use Excilor Nail Fungus Treatment?

 

Consistent daily application is key to success. Skipping days or stopping early are the most common reasons treatment fails. Follow these steps carefully each time you apply.

  1. Wash and thoroughly dry the affected nail and surrounding skin
  2. If the nail is very thick, gently file the surface with a nail file to improve penetration
  3. Open the Excilor bottle and use the integrated brush to apply the solution across the entire nail surface
  4. Extend the application under the free edge of the nail where possible
  5. Allow the solution to dry completely — this usually takes one to two minutes
  6. Replace the cap securely after use
  7. Wash your hands after application
Indication Age Group Dose Frequency
Fungal nail infection Adults and children 12+ Apply to cover entire nail surface Once daily
Fungal nail infection Under 12 Not recommended

 

What Are the Possible Side Effects of Excilor Nail Fungus Treatment?

 

Excilor is generally well tolerated. Because it is applied topically and is not absorbed systemically in meaningful amounts, the risk of widespread side effects is low. However, localised reactions can occasionally occur.

Common side effects:

  • Mild burning or stinging sensation at the application site
  • Temporary redness of the skin immediately surrounding the nail

Less common side effects:

  • Skin irritation or contact dermatitis around the nail fold
  • Temporary changes in nail appearance during treatment
  • Allergic skin reaction (rare) — discontinue use if this occurs

If you experience significant pain, swelling, or signs of a secondary bacterial infection around the nail, stop using Excilor and consult your GP. You may also find it helpful to browse our skin care collection for products that can support the skin around the nail during treatment.

 

How Should You Store Excilor Nail Fungus Treatment?

 

  • Store below 25°C in a cool, dry place
  • Keep away from direct sunlight and heat sources
  • Keep out of reach and sight of children
  • The solution is flammable — keep away from naked flames and do not smoke during application
  • Do not use after the expiry date printed on the bottle
  • Do not freeze
  • Ensure the cap is replaced tightly after each use to prevent evaporation

If you have any questions about storage or suitability, your Cured Pharmacy pharmacist is always available to help. For broader foot health support, our athletes foot and fungal infections collection includes a range of complementary treatments.

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 Excilor Nail Fungus Treatment online in the UK?

You can buy Excilor Nail Fungus Treatment 3.3ml directly from Cured Pharmacy, a GPhC-registered UK online pharmacy. It is available without a prescription as an over-the-counter product. Simply add it to your basket and it will be dispatched to your door — no GP appointment needed.

How does Excilor Nail Fungus Treatment work in the nail?

Excilor uses acetic acid to lower the pH inside the nail plate, creating an acidic environment that dermatophyte fungi cannot tolerate. Rather than acting as a pharmacological antifungal drug, it works as a medical device by physically altering the conditions fungi need to survive. As the nail grows out, healthy tissue replaces the infected nail over time.

How do I use Excilor Nail Fungus Treatment step by step?

Start by washing and thoroughly drying the affected nail. Use the integrated brush applicator to coat the entire nail surface — including under the free edge if possible — and allow it to dry fully before putting on socks or shoes. Repeat this process once every day without skipping, as consistency is essential for the treatment to be effective.

How long does Excilor Nail Fungus Treatment take to show results?

Visible improvement can take several weeks to months, because the nail must physically grow out and replace infected tissue — a slow process. Toenails grow approximately 1–2mm per month, so a full toenail replacement can take six to twelve months. Fingernail infections typically resolve faster, often within three to six months of consistent daily use.

What are the side effects of Excilor Nail Fungus Treatment?

Side effects are uncommon but can include mild stinging, burning, or redness around the treated nail immediately after application. Skin irritation or contact dermatitis around the nail fold is less common but possible. If you notice significant discomfort, swelling, or signs of an allergic reaction, stop using the product and speak to your pharmacist or GP.

Who is Excilor Nail Fungus Treatment suitable for?

Excilor is suitable for adults and young people aged 12 and over with mild to moderate fungal nail infections affecting the toenails or fingernails. It is not recommended for people with diabetes, peripheral vascular disease, or broken skin around the nail without prior medical advice. If you are pregnant or breastfeeding, consult your pharmacist before use.

What happens if I miss a day of Excilor treatment?

If you miss a day, simply apply the solution as soon as you remember and then continue your usual daily routine from that point. Do not apply a double amount to make up for a missed application. Missing the occasional day is unlikely to ruin your progress, but frequent gaps will slow results significantly.

Can I use Excilor on fingernails as well as toenails?

Yes — Excilor is suitable for use on both toenails and fingernails affected by fungal infection. Fingernail infections tend to respond more quickly than toenail infections because fingernails grow faster. Apply the solution to the entire nail surface once daily in the same way regardless of which nail is being treated.

What are the alternatives to Excilor Nail Fungus Treatment?

Common alternatives include amorolfine nail lacquer (such as Curanail or Loceryl), which is a licensed antifungal medicine applied once or twice weekly. For more severe infections, oral terbinafine tablets are available on prescription and are considered highly effective by the NHS. You can explore a range of over-the-counter options in our athletes foot and fungal infections collection.

Is Excilor Nail Fungus Treatment a medicine or a medical device?

Excilor is classified as a medical device rather than a licensed medicine, because it works through a physical mechanism — lowering nail pH — rather than a pharmacological one. This means it does not contain a traditional antifungal drug. It is CE marked and available over the counter in the UK without a prescription.

Can people with diabetes use Excilor Nail Fungus Treatment?

People with diabetes should always seek medical advice before treating any foot condition, including fungal nail infections. The NHS recommends that diabetic patients have their feet checked regularly by a healthcare professional, as even minor foot problems can escalate. Speak to your GP or podiatrist before starting any nail fungus treatment if you have diabetes.

How long can you use Excilor Nail Fungus Treatment for?

Treatment should continue until the infected nail has been completely replaced by healthy nail tissue, which can take anywhere from three to twelve months depending on the nail and severity of infection. There is no strict maximum duration, but if you see no improvement after three months of consistent daily use, consult your pharmacist or GP for further assessment.

Is Excilor safe to use during pregnancy or breastfeeding?

There is limited specific safety data for Excilor during pregnancy or breastfeeding. As a precaution, you should consult your GP or midwife before using any topical nail treatment during pregnancy. Your pharmacist can also advise on the most appropriate and safest option for your individual circumstances.

What are the latest research findings on acetic acid nail treatments?

Research into pH-modifying nail treatments has shown that lowering the nail's pH can inhibit the growth of dermatophyte fungi, supporting the rationale behind Excilor's mechanism. Clinical studies on acetic acid-based nail solutions have demonstrated improvements in nail appearance with consistent use, though results vary between individuals. For the most current clinical guidance on fungal nail infections, the NHS and BNF remain the most reliable UK sources.

Can I use nail varnish while using Excilor Nail Fungus Treatment?

It is generally advisable to avoid applying nail varnish or other nail cosmetics over the treated nail during the course of treatment, as these products can form a barrier that prevents the solution from penetrating the nail effectively. If you are concerned about the appearance of your nails during treatment, speak to your pharmacist for practical advice. You may also find helpful products in our foot care collection.

How Should You Use Excilor Nail Fungus Treatment?

Applying Excilor correctly every day gives you the best chance of clearing the infection. The integrated brush applicator makes the process simple, but technique matters — thorough coverage of the nail surface is essential for the solution to work effectively.

What Is the Correct Dose of Excilor Nail Fungus Treatment?

There is no measured dose in the traditional sense — the correct amount is simply enough to cover the entire nail surface with a thin, even layer. Applying more than needed does not speed up results and may cause unnecessary skin irritation around the nail fold.

When Is the Best Time to Use Excilor Nail Fungus Treatment?

There is no clinically mandated time of day for application, but most people find it easiest to apply Excilor as part of their morning or evening routine — after bathing or showering, when the nail is clean and dry. Evening application has a practical advantage: you can allow the solution to dry fully overnight without the need to put on footwear immediately. Whatever time you choose, consistency matters far more than timing — apply at the same point in your day to build a reliable habit.

How Long Can You Use Excilor Nail Fungus Treatment For?

Treatment should continue until the infected nail has been completely replaced by healthy nail tissue. This is not a short-term process. Toenails grow slowly — roughly 1 to 2mm per month — meaning a full course of treatment for a toenail infection can take anywhere from six to twelve months. Fingernail infections typically resolve more quickly, often within three to six months. Do not stop treatment as soon as the nail starts to look better; the infection can return if healthy nail has not fully grown through. If you see no improvement after three months of consistent daily use, speak to your pharmacist or GP for further assessment.

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 Excilor Nail Fungus Treatment?

Excilor is generally well tolerated when used as directed. Because it is applied topically and is not absorbed into the bloodstream in meaningful amounts, the risk of systemic side effects is very low. The most commonly reported reactions are localised to the area of application.

  • Mild burning or stinging sensation immediately after application
  • Temporary redness of the skin directly surrounding the treated nail
  • Slight warmth or tingling at the nail site

What Are the Less Common Side Effects of Excilor Nail Fungus Treatment?

Less frequently, some people experience more noticeable skin reactions around the nail fold. These are not dangerous in most cases, but they do warrant attention. If any of the following persist or worsen, stop using the product and seek advice from your pharmacist.

  • Contact dermatitis — redness, itching, or flaking of the skin around the nail
  • Temporary changes in nail colour or texture during the treatment period
  • Dryness or peeling of the skin adjacent to the nail
  • Mild allergic skin reaction at the application site (rare)

What Are the Serious Side Effects of Excilor Nail Fungus Treatment?

Serious side effects are rare with Excilor. However, if you notice signs of a secondary bacterial infection — such as increasing pain, swelling, pus, or warmth spreading beyond the nail — stop treatment immediately and consult your GP. An allergic reaction causing significant swelling, blistering, or widespread skin involvement should be treated as a medical emergency. Call 999 or go to your nearest A&E if you experience difficulty breathing, swelling of the face or throat, or a severe rash after use.

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

For mild irritation or redness, you may simply need to allow the skin to settle before your next application. Applying the solution more sparingly — just enough to cover the nail — can help reduce localised irritation. If side effects are persistent or troublesome, stop using Excilor and speak to your pharmacist, who can advise on alternative nail fungus treatment options. You can also report suspected side effects or adverse reactions from medical devices to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk.

Can Excilor Nail Fungus Treatment Interact With Other Medicines?

No significant drug interactions are currently known for Excilor. As a topically applied medical device with minimal systemic absorption, it is unlikely to interact with oral medications. However, if you are using other topical products on the same nail — such as antifungal lacquers or medicated creams — consult your pharmacist before combining treatments, as this could affect how well each product works. Always inform your pharmacist of all products you are currently using, including over-the-counter treatments.

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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