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Is Bathroom & Shower Cleaner suitable for asthma, allergies, and sensitive skin?Updated a day ago

TL;DR: Bathroom & Shower Cleaner is Sensitive Choice approved by the National Asthma Council Australia, Dermatest tested, recognised by the Eczema Association of Australasia and GECA (Good Environmental Choice Australia) certified. No added fragrance, no aerosol propellants, pH 8, 12 ingredients, made in Australia. People react differently, and for a household managing asthma, allergies or sensitive skin this is generally a safer choice than a conventional bathroom cleaner built on chlorine bleach or strong acids.

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Koh Bathroom and Shower Cleaner on a bathroom benchtop
Certification marks held by Koh Bathroom and Shower Cleaner

Is Bathroom & Shower Cleaner suitable for asthma, allergies and sensitive skin?

Koh Bathroom & Shower Cleaner is Sensitive Choice approved by the National Asthma Council Australia, Dermatest tested, recognised by the Eczema Association of Australasia and GECA (Good Environmental Choice Australia) certified. People react differently and no cleaning product can promise that a reaction will never happen. In general it is a safer choice for a household managing asthma, allergies or sensitive skin than a conventional bathroom cleaner built on chlorine bleach or strong acids. The formula carries no added fragrance and no aerosol propellants, sits at pH 8, and runs to 12 ingredients. Read the full ingredient list before first use if you have a known sensitivity.

⚠ People vary, so here's what this rests on

Everyone's different, and no cleaning product can promise that nobody will ever react to it. In general this is a safer choice for a home managing asthma, allergies or sensitive skin than a conventional bathroom cleaner built on chlorine bleach or strong acids, and here's exactly what that rests on.

Sensitive Choice approved by the National Asthma Council Australia. Dermatest tested. Recognised by the Eczema Association of Australasia. GECA (Good Environmental Choice Australia) certified. No added fragrance, 12 ingredients, pH 8, made in Australia.

If you or someone in your home has a known sensitivity, read the full ingredient list before first use and spot-test on a small area. For severe asthma or multiple chemical sensitivities, talk it through with your GP or specialist before you bring any new cleaner into the house.

Sensitive Choice approved Dermatest tested Eczema Association recognised GECA certified

What does Sensitive Choice approval actually mean?

Sensitive Choice is the programme run by the National Asthma Council Australia. It reviews household products against criteria designed to reduce common respiratory triggers, and approved products avoid aerosol propellants, added perfumes and ingredients frequently flagged for respiratory sensitivity. Koh Bathroom & Shower Cleaner is Sensitive Choice approved. The approval is an assessment against those published criteria, and because people vary it is not a guarantee about any one person.

✓ What Sensitive Choice approval covers

Sensitive Choice is run by the National Asthma Council Australia. It reviews household products against criteria built to reduce common respiratory triggers, and approved products avoid aerosol propellants, added perfumes and the ingredients most often flagged for respiratory sensitivity. Bathroom & Shower Cleaner is Sensitive Choice approved.

The tick means the product cleared an independent assessment against a defined set of criteria. People vary, so no assessment can tell you an individual will never react.

Sensitive Choice approved National Asthma Council Australia No aerosol propellants No added fragrance

What about sensitive skin, eczema and dermatitis?

Koh Bathroom & Shower Cleaner is Dermatest tested for skin compatibility and recognised by the Eczema Association of Australasia. The formula sits at pH 8, which is mildly alkaline rather than pH neutral, and milder than the strongly acidic or strongly alkaline chemistry many conventional bathroom cleaners are built on. Tocopheryl acetate, a form of vitamin E, is included in the formula. Skin varies from person to person, so spot-test on a small area first, wear gloves for a long cleaning session and rinse any accidental skin contact with water.

✓ Dermatest tested for skin compatibility

Independently tested by Dermatest. The formula sits at pH 8, which is mildly alkaline rather than pH neutral, and milder than the strongly acidic or strongly alkaline chemistry most conventional bathroom cleaners are built on. Tocopheryl acetate, a form of vitamin E, is in the formula.

Dermatest tested pH 8, mildly alkaline Vitamin E in the formula

✓ Eczema Association of Australasia recognised

Recognised by the Eczema Association of Australasia. Skin varies from person to person, so treat this the same way you'd treat any new product on reactive skin. Spot-test a small area first, wear gloves for a long cleaning session, and rinse any accidental contact with water.

Eczema Association recognised Spot-test first Gloves for long sessions

Will I notice a smell or fumes when I use it?

Koh Bathroom & Shower Cleaner has no added fragrance, no perfumes and no masking scents. It does contain ethanol, so you may notice a light clean scent while you spray that clears as the surface dries. There are no aerosol propellants, so nothing is pushed into the air as a fine mist the way an aerosol can does. Open a window or run the extractor fan while you clean and let the room air out afterwards.

✓ No added fragrance, and what you may still notice

There's no added fragrance in the formula. No perfumes, no masking scents. What you may notice is a light clean scent while you're spraying, and that comes from the ethanol in the formula. It clears as the surface dries.

Open a window or run the extractor fan while you clean, the same as you would for any cleaning session in a small room. There are no aerosol propellants either, so nothing is pushed into the air as a fine mist the way an aerosol can does.

No added fragrance Clears as it dries No aerosol propellants Ventilate while you clean

How can I cut down on triggers while I clean?

A few habits reduce trigger exposure whichever cleaner you use. Ventilate the bathroom during and after cleaning by opening a window or running the extractor fan. Wear rubber or nitrile gloves to limit skin contact on a long session. Clean while the affected person is out of the room rather than alongside you. Rinse surfaces and let them air dry before anyone showers. Read the full ingredient list against any known sensitivity before first use, and for severe asthma or multiple chemical sensitivities talk to a GP or allergy specialist before introducing a new product to the home.

✓ Habits that reduce exposure

1

Ventilate during and after. Open a window or run the extractor fan. Moving air is the single biggest lever you have.

2

Wear gloves. Rubber or nitrile for a long session. Cuts skin contact for reactive hands.

3

Clean while the affected person is out of the room. Removing the person from the room beats any product choice.

4

Rinse and air dry. Let surfaces dry fully before anyone showers.

Two more worth doing once. Read the full ingredient list against any known sensitivity before first use. And if you're managing severe asthma or multiple chemical sensitivities, run it past your GP or allergy specialist before any new product comes into the house.


Koh Bathroom and Shower Cleaner refill

Bathroom & Shower Cleaner

GECA (Good Environmental Choice Australia) certified, Sensitive Choice approved, Dermatest tested, Eczema Association recognised. 12 ingredients, pH 8, made in Australia.

Koh Bathroom and Shower Starter Kit with cleaner, mitt and foaming spray bottle

Bathroom & Shower Starter Kit

Bathroom & Shower Cleaner, Ultra Pro Bathroom Mitt and Foaming Spray Bottle. New to Koh, this is the one to start on.

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Last reviewed: September 2026 · Koh Australia

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