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Stinky shoes and shoe odour: tackle the cause for lasting freshness

Stinky shoes and shoe odour: tackle the cause for lasting freshness

What to do about smelly shoes?

You know the drill: you take off your shoes after a long working day or a vigorous sports session, and immediately the whole room fills with a pungent, sour sweat smell. Smelly shoes are a huge source of annoyance and embarrassment. Many people think their favourite shoes have simply 'run out' and throw them in the bin in frustration. A shame, because with the right approach, you can just get that smell out again!

What to do about smelly shoes (The quick answer)
Stinky shoes are not caused by sweat itself, but by bacteria and fungi that settle in the shoe's moist material. To remove that stubborn smell once and for all, follow this effective 3-step plan:

  1. Kill the bacteria in the lining:Before wearing, sprinkle an antibacterial shoe powder (such asPediFris® Classic) in your shoes. This kills the bacteria and neutralises the smell at the source, rather than just masking it.

  2. Stop new moisture (sweat):Use an anti-perspirant foot spray (such asPediSpray®) to stop the sweat production of your feet. Without new sweat, the bacteria's habitat dries up.

ℹ️ Alternate your shoes:Prefer not to wear the same pair two days in a row. Always give your shoes at least 24 hours to dry completely in the air (and outside your sports bag!).

Tackling odour and sweat at the source

Smell

Many people quickly try to cover up the smell with a regular deodorant or put their shoes in the washing machine (which often damages the glue, cushioning and fit irreparably!). This works temporarily at best.

The dark, warm and moist inside of your shoe is simply a paradise for bacteria. They feast on the sweat and dead skin cells your feet leave behind throughout the day. The waste product secreted by these bacteria is the actual source of that infamous "old cheese" or ammonia smell.

The Solution: PediFris® saves your shoes from the dustbin

Want to make and keep your favourite trainers, work shoes or boots smelling 100% fresh again? Then symptom control is not enough.

You need to tackle the problem at the absolute source with our effective two-step approach: eliminate the odour-causing bacteria directly in the material (with PediFris® Classic powder) and make sure your feet stay dry so the bacteria don't stand a chance in the future (with PediSpray® foot spray).

We tell you exactly how to do this.

Save your favourite shoes from the dustbin
Washing damages your shoes, PediFris® refreshes them safely.
Kill the odour-causing bacteria in your lining effectively and permanently, without affecting the fit, glue or material.

clean smelly shoes

PediFris® Classic Shoe Powder: Banish the Smell from your Shoes

The most common mistake with smelly shoes? Spraying a load of deodorant into the shoe and hoping it will go away. This is nothing more than spraying a temporary layer of perfume over a mountain of bacteria. As soon as you put the shoes back on and your feet get warm, the perfume mixes with the sweat smell and the stench often only gets worse. The washing machine is also out of the question: high temperatures and spinning destroy the cushioning and glue of your expensive trainers or work shoes.

WithPediFris® ClassicShoe powder really gets to the root of the smell. This powerful spreading powder does not cover anything up, but actively kills the bacteria and fungi that have nestled deep inside the lining. Simply sprinkle half a teaspoon of powder into your shoes before you put them on. As you walk, exercise or work, the powder cleans the shoe from the inside out. It attracts the moisture, eliminates the odour-causing agents and leaves your shoes smelling neutral and fresh again.

PediFris® Classic

PediFris® Classic

  • Neutralizes foot and shoe odor
  • Fights bacteria and fungus
  • No dirty fingers from cream mess
  • 100% fresh all day with confidence
PediFris® Classic 3-Pack

PediFris® Classic 3-Pack

  • Neutralizes foot and shoe odor
  • Fights bacteria and fungus
  • No dirty fingers from cream mess
  • 100% fresh all day with confidence

The ultimate 1-2 combination against stench

No sweat means no stink.

Your shoes are now bacteria-free, but as long as your feet keep sweating, the problem will return.

Time to turn off the tap!

PediSpray® Foot Spray: Dry Feet, Less Sweat

You've successfully saved your shoes with PediFris® powder, great! But to prevent the bacteria from simply returning next week, we need to deprive them of their favourite breeding ground: sweat. Your feet produce quite a lot of moisture every day, and as long as your shoes remain wet inside, you are unconsciously creating yet another breeding ground for new smells.

Where a standard foot deodorant won't stop sweating, isPediSpray®A powerful, clinically proven antiperspirant. The high-quality aluminium salts in the spray safely calm overactive sweat glands. This drastically reduces your sweat production and keeps your feet wonderfully dry. And the logic is simple: without clammy sweat, bacteria have nothing left to break down. No sweat, no bacteria, no stinky shoes!

PediSpray® Strong

PediSpray® Strong

  • Direct reduction of perspiration
  • Extra strong, long lasting effect up to 5 days
  • Without perfume — no smell masking
  • 100% dry and fresh all day
PediSpray® Strong 3-Pack

PediSpray® Strong 3-Pack

  • Direct reduction of perspiration
  • Extra strong, long lasting effect up to 5 days
  • Without perfume — no smell masking
  • 100% dry and fresh all day
PediSpray® Regular

PediSpray® Regular

  • Direct reduction of perspiration
  • Extra strong, long lasting effect up to 5 days
  • Without perfume — no smell masking
  • 100% dry and fresh all day
PediSpray® Regular 3-Pack

PediSpray® Regular 3-Pack

  • Direct reduction of perspiration
  • Extra strong, long lasting effect up to 5 days
  • Without perfume — no smell masking
  • 100% dry and fresh all day

No more embarrassment when your shoes come off
Take off your shoes confidently wherever you are.
With the effective combination of PediFris® powder and PediSpray®, clammy feet and that embarrassing smell from your shoes are definitely a thing of the past.

The Result: Fresh Feet, Odour-free Shoes, and Regained Confidence

Stinky shoes are an intractable problem if you only tackle half of it. If you only treat your feet with spray, the old bacteria in your shoes will continue to stink.

If you only treat your shoes with powder, your new sweat will create stink again in no time. It's mopping with the tap!

By using the golden combination of PediFris® Classic (to kill the bacteria in the lining) and PediSpray® (to stop the moisture on your feet), you break this vicious cycle once and for all. You will enjoy clean, dry feet every day and shoes that no longer smell like an old cheese shop.

Save your shoes from the trash and get your confidence back!


clean smelly shoes

Boost self-confidence

Find out how to tackle the cause of the smell, which products really help and how to get your shoes fresh again for a long time. That way, you will leave with confidence!

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"Everything is great, excellent service."
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"A perfect product really no more sweaty feet"
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"Can't be improved! Perfect!"
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★ ★ ★ ★ ★ 06 Mar. 2026
"Super product, this really works!!! My son has been suffering from very smelly feet and shoes for ye..."
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Frequently asked questions about smelly shoes and shoe odour

Below you will find a detailed answer to questions about smelly shoes, shoe odour and what you can do yourself. The information covers <strong>hygiene</strong>, <strong>reducing moisture</strong> and products that tackle the <strong>cause</strong> in the foot and shoe.

Why do shoes stink and how does shoe odour arise?

Smelly shoes usually occur because sweat, heat and poor ventilation create a favourable environment for bacteria and fungi. These break down skin flakes and sweat into volatile compounds: this is what we smell as shoe odour.

Sweat itself has hardly any smell; the odour is mainly caused by microorganisms in damp shoes and on insoles. Synthetic linings, closed shoes and wearing the same pair every day trap moisture for longer, allowing the odour to penetrate deeper into the material.

A sharp or ammonia-like odour can be associated with certain breakdown products of sweat. That is why an approach that combines moisture control on the foot with footwear hygiene is effective, for example using PediSpray® and PediFris® Classic.

What helps against smelly shoes: steps and products

Effective help for smelly shoes focuses on three areas: reducing excessive sweating on the skin, reducing the breeding ground for bacteria in the shoe, and ensuring the shoes are properly dried and aired between wears.

PediSpray® (anti-perspirant for the feet) reduces sweat on the skin; less moisture means less food for odour-causing bacteria. PediFris® Classic targets the footwear and the conditions that bacteria and fungi thrive in. See ‘spray for sweaty feet’ and ‘remedy for sweaty feet and odour in shoes’ for an explanation of each product.

You can find the products in the shop: PediSpray® Strong, PediSpray® Regular and PediFris® Classic.

How to prevent shoe odour? Tips for shoes, socks and routine

The best way to prevent shoe odour is through regular habits:

  • Change shoes: do not wear the same pair every day; allow shoes time to dry.
  • Socks: clean, preferably cotton or woollen socks that absorb moisture; change daily.
  • Ventilation: let shoes air out at room temperature, not left in a closed bag for days on end.
  • Wash and dry your feet, including between the toes, before putting on your shoes.
  • Footwear care: use PediFris® Classic as advised to minimise sources of odour.

This way, you combine prevention with a targeted approach if you already have smelly shoes.

Stinky sports shoes or work shoes: what to look out for?

With sports shoes and heavy-duty work boots, there is often more sweat and mechanical stress. This requires extra attention to drying, changing pairs and maintaining PediSpray® on the feet and PediFris® Classic in the footwear after intensive use.

The aim remains the same: to limit moisture, prevent micro-organisms from taking hold, and avoid putting shoes back in the cupboard whilst they are still damp.

Shoes smell like cat pee: cause and what to do about it

When shoes smell of cat urine, people usually mean a very pungent, ammonia-like odour coming from the footwear. This cat urine smell is not caused by urine in the shoe, but by the breakdown of sweat and skin flakes by bacteria in a warm, damp environment. The longer moisture and heat remain in the shoe, the stronger the smell can become.

What helps with smelly shoes that have this typical odour: reducing moisture on the feet (for example, with PediSpray® to combat excessive sweating) and tackling the source inside the footwear with PediFris® Classic shoe powder. Combine this with proper ventilation, alternating shoes and wearing clean socks.

If the odour remains severe, or if you have skin complaints, seek advice from a skin therapist or GP. This article is not a substitute for a medical examination.

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