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Odor-Eaters Ultra Comfort (1 pair)

Odor-Eaters Ultra Comfort (1 pair)

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

  • ✔️ Neutralises foot odour using activated charcoal and baking soda
  • ✔️ Absorbs excess moisture to reduce bacteria-friendly conditions
  • ✔️ Cushioned foam layer reduces underfoot fatigue all day
  • ✔️ Trimmable to fit most adult shoe sizes easily
  • ✔️ Lasts up to three months with daily use

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Are Odour Eater Insoles Right for Your Feet?

 

Foot odour is something many people deal with quietly — and often feel embarrassed about. The truth is, it's incredibly common. Sweat glands in the feet are among the most active in the body, and when moisture becomes trapped inside shoes, bacteria thrive and produce the unpleasant smell most of us recognise. Odour eater insoles like the Odor-Eaters Ultra Comfort (1 pair) are designed to tackle this problem at the source, absorbing moisture and neutralising odour throughout the day. If you're looking for a simple, affordable solution, you'll find this and other foot care products in our foot care collection.

At just £3.99 for a pair, Odor-Eaters Ultra Comfort insoles offer a practical, everyday option for anyone who spends long hours on their feet — whether that's at work, at the gym, or simply going about daily life. They're trimmed to fit most shoe sizes and sit discreetly inside your footwear, so nobody needs to know they're there.

 

How Do Odor-Eaters Ultra Comfort Insoles Work?

 

The science behind these insoles is straightforward. They combine two well-established odour-fighting ingredients — activated charcoal and baking soda (sodium bicarbonate) — with a cushioned foam layer for added comfort.

  • Activated charcoal acts as an adsorbent, trapping odour molecules and volatile compounds produced by bacteria on the skin surface.
  • Baking soda (sodium bicarbonate) neutralises acidic odour compounds, helping to reduce the characteristic smell associated with sweaty feet.
  • Moisture-wicking layer draws sweat away from the skin, reducing the damp environment that bacteria need to multiply.
  • Cushioned foam base provides underfoot support, reducing fatigue during prolonged standing or walking.

Together, these components address both the cause and the symptom — not just masking smell, but actively reducing the conditions that allow it to develop.

 

Who Should Consider Using These Insoles?

 

These insoles are suitable for most adults who experience foot odour or discomfort from sweaty feet. They're particularly useful if you wear enclosed shoes for long periods, exercise regularly, or notice that standard insoles simply aren't doing enough. They're not a medical treatment, but they can make a meaningful difference to daily comfort and confidence.

  • Adults with mild to moderate foot odour
  • People who are on their feet all day at work
  • Those who exercise frequently and experience sweaty feet
  • Anyone looking for extra cushioning alongside odour control

If you also experience excessive sweating more broadly — not just on your feet — it may be worth exploring our excessive sweating treatments for additional support.

 

How Do Odor-Eaters Ultra Comfort Insoles Compare to Alternatives?

 

Feature Odor-Eaters Ultra Comfort Standard Foam Insoles
Odour neutralisation Yes — activated charcoal & baking soda No
Moisture absorption Yes — moisture-wicking layer Limited
Cushioning Yes — foam base Yes — foam base
Trimmable to size Yes Often yes

 

Are These Insoles Suitable for Sensitive Skin or Specific Conditions?

 

Most people tolerate odour eater insoles without any issues. However, if you have particularly sensitive skin or a history of contact dermatitis, it's worth monitoring for any redness or irritation when you first start using them. Discontinue use if you notice any skin reaction and speak to your pharmacist. These insoles are not a treatment for fungal infections such as athlete's foot — if you suspect a fungal infection, you should seek appropriate antifungal treatment alongside using the insoles.

Store the insoles in a cool, dry place when not in use to preserve their odour-absorbing properties. Avoid exposing them to prolonged moisture before placing them in your shoes.

This product is a non-medicated device. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

Odor-Eaters Ultra Comfort (1 pair) specifications
Treatment category Foot care — odour and moisture control
Mechanism of action Adsorption and neutralisation of odour-causing compounds via activated charcoal and sodium bicarbonate
Effective for Foot odour, sweaty feet, underfoot discomfort
Suitable for Adults; most shoe types
Active ingredient Activated charcoal, sodium bicarbonate (baking soda)
Pack size 1 pair
UK classification General sale — non-medicated device
Preparation Insole (foam with deodorising layer)
Route of administration Topical (placed inside footwear)

Specifications of Odor-Eaters Ultra Comfort (1 pair)

 

What Are Odor-Eaters Ultra Comfort Insoles and What Are They Used For?

 

Odor-Eaters Ultra Comfort insoles are non-medicated, deodorising shoe insoles designed to reduce foot odour and absorb excess moisture. They are placed inside your shoes and work passively throughout the day — no sprays, no powders, no fuss. The insoles are intended for adults who experience foot odour linked to sweating, and they also provide a layer of cushioning to improve comfort during prolonged wear.

Foot odour — clinically referred to as bromodosis — is primarily caused by bacteria that break down sweat on the skin surface, producing volatile fatty acids with a characteristic unpleasant smell. These insoles help interrupt that process by reducing the moisture available to bacteria and neutralising the odour compounds they produce. They are not a treatment for any underlying medical condition, including hyperhidrosis or fungal infections such as tinea pedis (athlete's foot).

 

What Do You Need to Know Before Using Odor-Eaters Ultra Comfort Insoles?

 

These insoles are generally safe for most adults. However, there are a few things worth being aware of before you start using them.

Do not use these insoles if:

  • You have a known allergy to any of the materials used in the insole (including activated charcoal or foam components)
  • You have open wounds, ulcers, or broken skin on the soles of your feet
  • You have been advised by a healthcare professional to use specific orthopaedic insoles — these should not be replaced without guidance
  • You are a child — check manufacturer guidance for age suitability before use in younger users

Warnings and precautions:

  • Discontinue use immediately if you notice redness, itching, or a rash on the soles of your feet
  • These insoles do not treat athlete's foot or other fungal infections — visit our athlete's foot and fungal infections section if you need antifungal treatment
  • Do not use as a substitute for good foot hygiene — wash feet daily with soap and water and dry thoroughly, especially between the toes
  • People with diabetes should take particular care with any foot product and consult their GP or podiatrist if in doubt

Known drug or product interactions:

  • No known interactions with medicines
  • Avoid using alongside strongly scented insoles or foot products simultaneously, as this may reduce effectiveness

 

How Should You Use Odor-Eaters Ultra Comfort Insoles?

 

Using these insoles correctly takes less than a minute. Follow these steps for the best results:

  1. Remove the existing insole from your shoe, if it is removable.
  2. Place the Odor-Eaters insole against the existing insole or the shoe template to gauge the correct size.
  3. Using the size guide printed on the back of the insole, trim along the marked line with scissors to fit your shoe size.
  4. Place the trimmed insole inside your shoe with the cushioned side facing upward (towards your foot).
  5. Put your shoe on as normal and check for comfort — re-trim if necessary.
Indication Age Group Usage Frequency
Foot odour control Adults 1 pair per pair of shoes Daily — replace every 1–3 months
Moisture absorption Adults 1 pair per pair of shoes Daily wear

 

What Are the Possible Side Effects of Odor-Eaters Ultra Comfort Insoles?

 

Side effects from non-medicated insoles are uncommon, but they can occur — particularly in people with sensitive skin. Being aware of what to look out for means you can act quickly if something doesn't feel right.

Common side effects (may affect some users):

  • Mild skin irritation or redness on the sole of the foot
  • Slight discomfort during the initial break-in period

Less common side effects (rare):

  • Allergic contact dermatitis — itching, blistering, or a rash on the foot
  • Pressure discomfort if the insole is not trimmed correctly for your shoe

If you experience any allergic reaction, remove the insoles immediately and wash your feet with mild soap and water. Seek advice from your pharmacist or GP if symptoms persist. For broader skin concerns, our skin care collection includes products that may help soothe mild irritation.

 

How Should You Store Odor-Eaters Ultra Comfort Insoles?

 

  • Store in a cool, dry place away from direct sunlight
  • Keep away from sources of moisture before use — damp storage can reduce the effectiveness of the activated charcoal
  • Keep out of reach of children
  • Do not store in a sealed plastic bag for extended periods, as this may trap moisture
  • Once in use, allow insoles to air out overnight where possible to extend their effective lifespan

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 Odor-Eaters Ultra Comfort insoles online in the UK?

You can buy Odor-Eaters Ultra Comfort insoles directly from Cured Pharmacy online for just £3.99 per pair, with no prescription required. They are available for delivery across the UK and are listed in our foot care collection alongside other foot health products. Simply add to your basket and check out — it's that straightforward.

How do Odor-Eaters Ultra Comfort insoles work to reduce foot odour?

The insoles use activated charcoal to adsorb odour molecules and baking soda (sodium bicarbonate) to neutralise acidic odour compounds produced by bacteria on the skin. A moisture-wicking layer also draws sweat away from the foot, reducing the damp conditions that allow odour-causing bacteria to multiply. Together, these mechanisms tackle foot odour at its source rather than simply masking it.

How do I fit Odor-Eaters Ultra Comfort insoles into my shoes?

Remove the existing insole from your shoe if possible, then hold the Odor-Eaters insole against it to compare size. Use the size guide printed on the back of the insole to trim it to the correct fit with a pair of scissors. Place the trimmed insole inside your shoe with the cushioned side facing upward towards your foot, and re-trim if needed for a snug fit.

How long do Odor-Eaters Ultra Comfort insoles last before needing replacement?

Odor-Eaters Ultra Comfort insoles are designed to last up to three months with daily use, though this depends on how active you are and how much you sweat. You'll know it's time to replace them when you notice the odour control or cushioning has noticeably reduced. Allowing the insoles to air out overnight can help extend their effective lifespan.

Are Odor-Eaters insoles suitable for people with hyperhidrosis (excessive sweating)?

These insoles can help manage moisture and odour for people with mildly sweaty feet, but they are not a medical treatment for hyperhidrosis. If you experience significant or distressing excessive sweating, it's worth exploring dedicated excessive sweating treatments and speaking to your GP. The insoles can still be used alongside medical treatments as a comfort measure.

Can I use Odor-Eaters insoles if I have athlete's foot?

Odor-Eaters Ultra Comfort insoles are not an antifungal treatment and will not treat athlete's foot (tinea pedis) on their own. You should use an appropriate antifungal cream or spray to treat the infection itself, and the insoles can be used alongside this to help manage moisture and odour. If you're unsure which antifungal product to use, speak to your pharmacist for guidance.

Are Odor-Eaters Ultra Comfort insoles safe for people with diabetes?

People with diabetes need to take extra care with any foot product, as reduced sensation and circulation can make it harder to notice irritation or pressure points. It is advisable to consult your GP or podiatrist before using any new insole if you have diabetes. Regular foot checks are especially important for diabetic patients, as recommended by the NHS.

What are the alternatives to Odor-Eaters Ultra Comfort insoles for foot odour?

Alternatives include foot deodorant sprays, foot powders containing talc or antifungal agents, and medicated treatments for underlying conditions such as hyperhidrosis or fungal infections. Good foot hygiene — washing and thoroughly drying feet daily — is also a key part of managing foot odour, as advised by the NHS. Your pharmacist can help you choose the most suitable option based on your specific situation.

Can children use Odor-Eaters Ultra Comfort insoles?

The insoles can be trimmed to smaller sizes and may be suitable for older children, but you should always check the manufacturer's guidance for age-specific recommendations. If you are considering these insoles for a younger child, speak to a pharmacist first to confirm suitability. Children's feet are still developing, so it's important that any insole fits correctly and does not cause pressure or discomfort.

Do Odor-Eaters Ultra Comfort insoles work in all types of shoes?

These insoles are designed to fit most enclosed shoe types, including trainers, work boots, and casual shoes. They may not be suitable for very narrow or open-toed footwear where there is insufficient space or where the insole would be visible. Trimming the insole carefully to match your shoe's shape will give you the best fit and comfort.

Will Odor-Eaters insoles help with foot pain or discomfort?

The cushioned foam layer in Odor-Eaters Ultra Comfort insoles provides a degree of underfoot support that may reduce fatigue during prolonged standing or walking. However, they are not orthopaedic insoles and are not designed to treat conditions such as plantar fasciitis or flat feet. If you have persistent foot pain, speak to your GP or a podiatrist for a proper assessment.

How should I care for my feet alongside using these insoles?

Good foot hygiene is essential — wash your feet daily with soap and water, and dry them thoroughly, especially between the toes, as the NHS recommends. Change your socks daily and rotate your shoes where possible to allow them to dry out between wears. These simple habits, combined with odour eater insoles, can make a significant difference to foot freshness and health.

Can I use Odor-Eaters insoles if I have sensitive skin or contact dermatitis?

If you have a history of contact dermatitis or sensitive skin, monitor your feet carefully when you first start using the insoles and discontinue use if you notice any redness, itching, or blistering. Allergic reactions to these insoles are rare but possible. Speak to your pharmacist or GP if you experience any skin reaction that does not resolve quickly after removing the insoles.

Is there any research supporting the use of activated charcoal insoles for foot odour?

Activated charcoal is a well-established adsorbent material used across a range of odour-control applications, and its use in deodorising insoles is supported by its known mechanism of trapping volatile organic compounds. Baking soda's ability to neutralise acidic odour compounds is also well documented in chemistry literature. While large-scale clinical trials specifically on deodorising insoles are limited, the underlying science of these ingredients is sound and widely accepted.

How do I know when to replace my Odor-Eaters Ultra Comfort insoles?

Replace your insoles when you notice that foot odour is returning despite wearing them, or when the cushioning feels noticeably flatter and less supportive. As a general guide, most users replace them every one to three months depending on daily activity levels. Keeping a spare pair to hand means you're never caught without effective odour protection.

How Should You Use Odor-Eaters Ultra Comfort Insoles?

Fitting these insoles correctly takes only a moment and makes a real difference to how well they perform. Before placing them in your shoes, check whether your existing insoles are removable — if they are, take them out first to avoid overcrowding inside the shoe, which can cause discomfort.

Follow these steps for the best fit and performance:

What Is the Correct Dose of Odor-Eaters Ultra Comfort Insoles?

There is no medicinal dose as such — these are non-medicated insoles. The correct usage is one pair per pair of shoes, worn daily. Using more than one insole per shoe will not improve results and may cause discomfort.

The table below summarises recommended usage by indication and user group:

When Is the Best Time to Use Odor-Eaters Ultra Comfort Insoles?

These insoles are designed for all-day wear, so the best time to put them in is first thing in the morning before you put your shoes on. If you exercise regularly, consider having a dedicated pair in your sports shoes as well as your everyday footwear, since physical activity significantly increases sweat production.

To get the most from the insoles, allow them to air out each evening by removing them from your shoes and leaving them in a well-ventilated spot overnight. This helps the activated charcoal to release some of the trapped moisture and odour compounds, extending the insole's effective life.

How Long Can You Use Odor-Eaters Ultra Comfort Insoles For?

You can use these insoles continuously for as long as they remain effective — typically up to three months with daily use. There is no clinical reason to stop using them after a set period, provided they are not causing any skin irritation or discomfort.

Replace the insoles when you notice that foot odour is returning despite wearing them, or when the cushioning feels significantly flatter than when new. If you develop any skin irritation, redness, or itching on the soles of your feet, discontinue use and speak to your pharmacist.

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 Odor-Eaters Ultra Comfort Insoles?

Most people use these insoles without experiencing any side effects at all. They are non-medicated and designed for everyday use, so adverse reactions are uncommon. That said, it's worth knowing what to look out for, particularly when you first start using them.

  • Mild redness or irritation on the sole of the foot, especially during the initial break-in period
  • Slight discomfort if the insole has not been trimmed to the correct size for your shoe
  • A feeling of warmth underfoot in very warm weather, due to the additional layer inside the shoe

What Are the Less Common Side Effects of Odor-Eaters Ultra Comfort Insoles?

Less common reactions are rare but can occur, particularly in people with sensitive skin or a history of allergic skin conditions. If you notice any of the following, remove the insoles and seek advice from your pharmacist.

  • Allergic contact dermatitis — presenting as itching, blistering, or a spreading rash on the foot
  • Pressure-related discomfort or blistering if the insole is incorrectly sized or positioned
  • Increased sweating in some individuals if the insole traps heat — this is uncommon and usually resolves with airing

What Are the Serious Side Effects of Odor-Eaters Ultra Comfort Insoles?

Serious side effects from non-medicated insoles are extremely rare. However, if you develop a severe allergic reaction — including significant swelling, widespread rash, or difficulty breathing — remove the insoles immediately and seek urgent medical attention. This type of reaction is very unlikely but should be treated as a medical emergency if it occurs.

People with diabetes should be especially vigilant, as reduced sensation in the feet can mean that pressure sores or irritation go unnoticed. Regular foot checks are essential if you have diabetes, as the NHS advises.

What Should You Do If You Experience Side Effects?

If you notice mild irritation or discomfort, start by removing the insoles and checking whether they are correctly trimmed and positioned. Wash your feet with mild soap and water and allow the skin to settle before trying the insoles again. If irritation persists after removing the insoles, speak to your pharmacist — they can advise whether a different product might be more suitable for your skin type.

For any allergic reaction that does not resolve quickly, or if you are at all concerned about a skin change on your feet, contact your GP. Do not ignore persistent redness, blistering, or swelling, particularly if you have an underlying condition such as diabetes or peripheral vascular disease.

Can Odor-Eaters Ultra Comfort Insoles Interact With Other Products?

There are no known interactions between these insoles and any medicines. However, using multiple foot products simultaneously — such as strongly scented insoles, foot powders, and antifungal sprays — may reduce the effectiveness of the activated charcoal layer, as it can become saturated more quickly. If you are using a medicated foot product, speak to your pharmacist about the best way to combine it with these insoles.

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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