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ClearZal Hard Skin Remover 100g

ClearZal Hard Skin Remover 100g

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  • ✔️ Softens and removes calluses, corns, and hard skin
  • ✔️ Urea-based formula hydrates and exfoliates simultaneously
  • ✔️ Suitable for cracked heels and thickened foot skin
  • ✔️ Results visible within days of consistent daily use
  • ✔️ 100g tube provides long-lasting foot care supply

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Is ClearZal the Best Hard Skin Remover for Feet?

 

Hard, thickened skin on the feet is incredibly common. Whether it's calluses on the ball of your foot, rough patches on your heels, or stubborn corns that just won't budge, the discomfort can affect how you walk, what shoes you wear, and how confident you feel day to day. Hard skin remover for feet products like ClearZal Hard Skin Remover 100g are designed to tackle exactly this — softening and lifting away that built-up skin without the need for a salon visit or a podiatry appointment. You can browse our full range of foot care products at Cured Pharmacy to find the right solution for your needs.

ClearZal Hard Skin Remover is a topical cream formulated with urea as its active ingredient. Urea is a well-established keratolytic agent — meaning it works by breaking down the structural proteins in hardened skin, making it easier to remove. It's been used in dermatology for decades and is widely recommended by podiatrists and pharmacists alike for managing dry, thickened, or hyperkeratotic skin on the feet.

 

How Does ClearZal Hard Skin Remover Work on Thickened Skin?

 

The mechanism behind ClearZal is straightforward but effective. Urea works in two key ways — as a humectant (drawing moisture into the skin) and as a keratolytic (breaking down excess keratin). Here's what happens when you apply it:

  • Urea penetrates the outer layers of thickened skin (the stratum corneum)
  • It disrupts the hydrogen bonds holding keratin proteins together, softening the hardened tissue
  • Moisture is drawn into the skin, improving hydration and flexibility
  • Softened skin can then be gently removed with a pumice stone or foot file
  • With regular use, the skin surface becomes smoother and less prone to re-hardening

This dual action makes urea-based creams particularly useful for persistent hard skin that doesn't respond well to simple moisturisers alone.

 

Who Should Use ClearZal Hard Skin Remover?

 

ClearZal Hard Skin Remover is suitable for adults who experience hard, thickened, or rough skin on their feet. It's particularly helpful if you spend long hours on your feet, wear ill-fitting footwear, or simply have naturally dry skin that tends to build up. That said, it's not appropriate for everyone — always read the label carefully before use.

This product may be suitable for you if you have:

  • Calluses or corns on the soles, heels, or toes
  • Cracked heels that are dry but not broken or bleeding
  • Generally rough or thickened foot skin that resists ordinary moisturisers
  • A desire to maintain smoother feet between professional podiatry appointments

 

How Does ClearZal Compare to Other Hard Skin Treatments?

 

Feature ClearZal Hard Skin Remover 100g Salicylic Acid Corn Plasters
Active ingredient Urea Salicylic acid
Application method Cream, applied directly to skin Adhesive plaster placed over corn
Suitable for large areas Yes — heels, soles, toes No — targeted spot treatment only
Suitable for diabetics Consult GP/podiatrist first Generally not recommended

 

Is ClearZal Hard Skin Remover Safe to Store at Home?

 

Yes — ClearZal Hard Skin Remover is straightforward to store safely at home. Keep it below 25°C, away from direct sunlight, and out of reach of children and pets. Do not use the product after the expiry date printed on the packaging. If you're managing a skin condition alongside foot care, you might also find our creams and ointments collection useful for complementary treatments.

As a hard skin remover for feet, this product is intended for external use on intact skin only. Avoid applying it to broken, inflamed, infected, or ulcerated skin. If you are unsure whether this product is right for you, speak to your pharmacist before use.

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.

ClearZal Hard Skin Remover 100g specifications
Treatment category Foot care / Keratolytic
Mechanism of action Keratolytic and humectant — breaks down excess keratin and hydrates skin
Effective for Hard skin, calluses, corns, cracked heels
Suitable for Adults with hard or thickened foot skin
Active ingredient Urea
Pack size 100g
UK classification General Sale / OTC
Preparation Topical cream
Route of administration Topical (external use only)

Specifications of ClearZal Hard Skin Remover 100g

 

What Is ClearZal Hard Skin Remover and What Is It Used For?

 

ClearZal Hard Skin Remover 100g is a topical urea-based cream used to soften and remove hard, thickened skin on the feet. It is an over-the-counter (OTC) product available without a prescription. It is used to treat calluses, corns, and rough or cracked skin on the heels and soles — conditions that are extremely common and often caused by friction, pressure, or simply dry skin. Urea, the active ingredient, is a naturally occurring compound in the body and has a long-established role in dermatological skin care as both a moisturiser and a keratolytic agent.

This product is for external use on the feet only. It is not a treatment for fungal infections, warts, or verrucas — if you suspect any of these, visit our athletes foot and fungal infections section for appropriate treatments, or speak to your pharmacist.

 

What Do You Need to Know Before Using ClearZal Hard Skin Remover?

 

Before applying ClearZal Hard Skin Remover, check the following contraindications and warnings carefully:

  • Do not use on broken, cracked, bleeding, or infected skin
  • Do not apply to inflamed or ulcerated areas
  • Not suitable for use on the face or mucous membranes
  • Avoid contact with eyes — if contact occurs, rinse thoroughly with water
  • People with diabetes, peripheral neuropathy, or poor circulation should consult their GP or podiatrist before use
  • Do not use on children unless directed by a healthcare professional
  • If you have a known allergy to urea or any other ingredient in this product, do not use it

Regarding drug interactions, no significant interactions with other medicines have been identified for topically applied urea at the concentrations used in this product. However:

  • Avoid using alongside other keratolytic agents (e.g. salicylic acid) on the same area without professional advice
  • If you are using any prescription topical treatments on your feet, check with your pharmacist before combining

 

How Should You Use ClearZal Hard Skin Remover Correctly?

 

Using ClearZal correctly will help you get the most out of it. Follow these steps for each application:

  1. Wash your feet thoroughly and soak them in warm water for 5–10 minutes to soften the skin
  2. Pat your feet dry with a clean towel
  3. Apply a generous amount of ClearZal Hard Skin Remover directly to the affected area
  4. Massage gently into the skin until absorbed
  5. Allow the cream to work — you may use a pumice stone or foot file after application to gently buff away softened skin
  6. Wash hands after use unless the hands are the area being treated
Indication Age Group Dose Frequency
Hard skin / calluses Adults Apply a thin layer to affected area Once or twice daily
Cracked heels Adults Apply generously to heel area Once or twice daily
Maintenance (after improvement) Adults Apply a small amount Every 1–2 days as needed

 

What Are the Possible Side Effects of ClearZal Hard Skin Remover?

 

Like all topical products, ClearZal Hard Skin Remover may cause side effects in some people, though not everyone will experience them. Most reactions are mild and localised to the area of application.

Common side effects:

  • Mild stinging or tingling sensation on application
  • Temporary redness at the application site
  • Mild skin dryness if used excessively

Less common side effects:

  • Skin irritation or a burning sensation that persists beyond a few minutes
  • Allergic contact dermatitis (rash, itching, swelling) — rare but possible
  • Peeling or flaking of surrounding healthy skin if applied too broadly

If you experience any severe reaction, persistent irritation, or signs of an allergic response such as swelling or hives, stop using the product immediately and seek advice from a pharmacist or GP.

 

How Should You Store ClearZal Hard Skin Remover Safely?

 

Proper storage keeps the product effective and safe for the duration of its shelf life. Follow these storage guidelines:

  • Store below 25°C in a cool, dry place
  • Keep away from direct sunlight and heat sources
  • Keep the lid tightly closed when not in use
  • Store out of reach and sight of children
  • Do not use after the expiry date printed on the packaging
  • Do not dispose of via wastewater or household waste — return unused product to your pharmacy

If you're looking for additional support for your overall skin health, our skin care collection includes a range of products to complement your foot care routine.

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 ClearZal Hard Skin Remover 100g online in the UK?

You can buy ClearZal Hard Skin Remover 100g directly from Cured Pharmacy, a GPhC-registered UK online pharmacy. It is available without a prescription and can be ordered for home delivery. Browse our full foot care collection for more options to suit your needs.

How does ClearZal Hard Skin Remover work on the feet?

ClearZal contains urea, a keratolytic agent that breaks down the protein bonds in thickened, hardened skin. It also acts as a humectant, drawing moisture into the skin to improve softness and flexibility. Together, these actions make it easier to gently buff away calluses and rough patches with a pumice stone or foot file.

How do I use ClearZal Hard Skin Remover step by step?

Start by soaking your feet in warm water for 5–10 minutes, then pat them dry. Apply a generous layer of ClearZal to the affected area and massage it in gently. Once absorbed, use a pumice stone or foot file to remove the softened skin, then wash your hands thoroughly after use.

How often should I apply ClearZal Hard Skin Remover?

Apply ClearZal once or twice daily to the affected areas for best results. Once the hard skin has improved, you can reduce to every one to two days as a maintenance routine. Consistent use is key — irregular application will slow progress.

How long does ClearZal Hard Skin Remover take to work?

Many people notice their skin feeling softer within a few days of regular use. More significant improvement in calluses or cracked heels typically takes two to four weeks of consistent daily application. Results vary depending on the severity of the hard skin and how regularly the product is used.

Can ClearZal Hard Skin Remover cause side effects?

Side effects are uncommon but can include mild stinging, redness, or a tingling sensation at the application site. In rare cases, allergic contact dermatitis may occur, presenting as a rash, itching, or swelling. If any reaction persists or worsens, stop using the product and consult your pharmacist or GP.

Is ClearZal Hard Skin Remover suitable for people with diabetes?

People with diabetes should always consult their GP or podiatrist before using any hard skin remover for feet, as diabetic foot care requires extra caution due to reduced sensation and circulation. ClearZal should never be applied to broken, ulcerated, or infected skin. Your diabetes care team can advise on the safest approach to foot care.

Can I use ClearZal Hard Skin Remover on broken or cracked skin?

No — ClearZal Hard Skin Remover should only be applied to intact skin. Do not use it on broken, bleeding, inflamed, or infected areas. If your cracked heels have split open or are painful, speak to a pharmacist or podiatrist before using any keratolytic product.

Is ClearZal Hard Skin Remover safe to use during pregnancy?

There is limited specific data on the use of topical urea products during pregnancy. As a precaution, pregnant women should consult their GP or midwife before using ClearZal Hard Skin Remover. Topical application to a small area of the feet is generally considered low risk, but professional guidance is always advisable.

What are the alternatives to ClearZal Hard Skin Remover?

Alternatives include other urea-based creams such as Flexitol Heel Balm or Scholl Cracked Heel Repair Cream, as well as salicylic acid-based corn plasters for targeted spot treatment. A podiatrist can also professionally debride hard skin if home treatments are not providing sufficient relief. You can explore additional options in our skin care collection.

Who is eligible to use ClearZal Hard Skin Remover?

ClearZal Hard Skin Remover is suitable for adults with hard, thickened, or rough skin on their feet, including calluses, corns, and cracked heels. It is not recommended for children unless directed by a healthcare professional. People with diabetes, circulatory problems, or peripheral neuropathy should seek professional advice before use.

Can I use ClearZal Hard Skin Remover with other foot care products?

You can generally use ClearZal alongside standard foot moisturisers, but avoid combining it with other keratolytic agents such as salicylic acid on the same area without professional advice, as this may cause excessive skin irritation. If you are using any prescription topical treatments on your feet, check with your pharmacist first.

How long can I keep using ClearZal Hard Skin Remover?

ClearZal can be used as part of an ongoing foot care routine for as long as needed, provided no adverse reactions occur. Once the hard skin has resolved, many people continue using it every few days as a preventative measure. If your condition does not improve after four to six weeks of regular use, consult a pharmacist or podiatrist.

What is the latest research on urea-based hard skin removers?

Urea has been used in dermatology for over a century and remains one of the most well-evidenced ingredients for treating hyperkeratotic skin conditions. Clinical literature consistently supports its dual role as a keratolytic and humectant, making it a first-line recommendation from podiatrists for calluses and cracked heels. The NHS also recommends urea-based creams as part of routine foot care for conditions such as dry and thickened skin.

What happens if I accidentally get ClearZal Hard Skin Remover in my eyes?

If ClearZal Hard Skin Remover comes into contact with your eyes, rinse them immediately and thoroughly with clean, lukewarm water for at least 10–15 minutes. If irritation, redness, or discomfort persists after rinsing, seek medical attention promptly. Always wash your hands after applying the product to avoid accidental contact with eyes or mucous membranes.

How Should You Use ClearZal Hard Skin Remover?

Using ClearZal Hard Skin Remover correctly makes a real difference to how quickly you see results. Always apply it to clean, dry skin — rushing this step can reduce how well the urea penetrates the thickened layers.

What Is the Correct Dose of ClearZal Hard Skin Remover?

There is no fixed measured dose for ClearZal Hard Skin Remover — the amount you use will depend on the size of the area being treated. Apply enough to cover the affected skin in a thin, even layer without spreading onto surrounding healthy skin unnecessarily.

When Is the Best Time to Use ClearZal Hard Skin Remover?

Applying ClearZal at night is often the most effective approach. Your feet are clean, you're off them for several hours, and the cream has time to work undisturbed while you sleep. Many people find that applying it after an evening shower or bath — when the skin is already softened — gives the best results. A morning application is also fine if that fits your routine better, though you may want to allow a few minutes for the cream to absorb before putting on socks or shoes.

How Long Can You Use ClearZal Hard Skin Remover For?

ClearZal Hard Skin Remover can be used as part of an ongoing foot care routine for as long as needed. Most people see meaningful improvement within two to four weeks of daily use. Once the hard skin has resolved, you can reduce application frequency to every couple of days as a preventative measure. If you do not see improvement after four to six weeks of consistent use, it is worth speaking to a pharmacist or podiatrist, as there may be an underlying cause that needs addressing.

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 ClearZal Hard Skin Remover?

Most people tolerate ClearZal Hard Skin Remover well, and side effects are generally mild when they do occur. The most frequently reported reactions are localised to the area of application and tend to settle quickly on their own.

  • Mild stinging or tingling sensation immediately after application
  • Temporary redness or warmth at the treated site
  • A slight tightening feeling as the cream dries

What Are the Less Common Side Effects of ClearZal Hard Skin Remover?

Less commonly, some people may experience a more pronounced reaction, particularly if they have sensitive skin or apply the product to a larger area than intended. These reactions are not typical but are worth being aware of.

  • Persistent burning or irritation that does not settle within a few minutes
  • Peeling or flaking of surrounding healthy skin
  • Dryness or tightness beyond the treated area
  • Itching at or around the application site

What Are the Serious Side Effects of ClearZal Hard Skin Remover?

Serious side effects are rare with topical urea products used as directed. However, allergic contact dermatitis can occasionally occur, even in people who have used similar products before. Signs to watch for include a spreading rash, significant swelling, blistering, or hives. If you notice any of these, stop using ClearZal immediately and seek medical advice. Do not continue using the product if you suspect an allergic reaction.

What Should You Do If You Experience Side Effects from ClearZal Hard Skin Remover?

For mild reactions such as brief stinging or redness, no specific action is usually needed — these typically resolve within minutes. If irritation is more persistent, rinse the area with cool water and allow the skin to settle before considering reapplication. For any reaction that is severe, spreading, or accompanied by swelling, stop use immediately and contact your pharmacist or GP. If you accidentally get the product in your eyes, rinse thoroughly with clean water for at least 10–15 minutes and seek medical attention if discomfort continues.

Can ClearZal Hard Skin Remover Interact With Other Medicines?

No significant interactions between topically applied urea and other medicines have been identified at the concentrations used in this product. That said, you should avoid using ClearZal at the same time as other keratolytic agents — such as salicylic acid — on the same area of skin, as combining them may increase the risk of irritation. If you are using any prescription topical treatments on your feet, always check with your pharmacist before adding a new product 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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