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What's Bathroom & Shower Cleaner's environmental approach?Updated 2 hours ago

TL;DR: Bathroom & Shower Cleaner is bag-in-box (BIB), not a rigid bottle, which uses less plastic per litre. The 12-ingredient formula has biodegradable surfactants, no chlorine, no phosphates, no quaternary ammonium disinfectants, no synthetic fragrances, and no aerosol propellants. Sensitive Choice approved by the National Asthma Council Australia, Dermatest tested, and recognised by the Eczema Association of Australasia. Made in Australia.


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Koh Bathroom and Shower Cleaner lifestyle
Koh Bathroom and Shower Cleaner before and after

What are the key environmental credentials?

Bathroom & Shower Cleaner has three independent certifications relevant to environmental and human health considerations. Sensitive Choice approved by the National Asthma Council Australia, which screens for ingredients that trigger respiratory and allergy issues. Dermatest tested for skin compatibility. Recognised by the Eczema Association of Australasia. The formula is biodegradable, septic-compatible when used as directed, and greywater-friendly. Made in Australia, which keeps the supply chain footprint short.

✓ Independently assessed credentials

Sensitive Choice approved by the National Asthma Council Australia. Dermatest tested for skin compatibility. Recognised by the Eczema Association of Australasia. Each is independently assessed by the named body, not a self-claim. Biodegradable, septic-compatible, greywater-friendly. Made in Australia.

Sensitive Choice Dermatest tested Eczema Association Made in Australia

What's deliberately left out of the formula?

Bathroom & Shower Cleaner is formulated without the ingredients most commonly flagged for environmental harm or sensitivity triggers. No chlorine bleach (which kills septic bacteria and forms harmful by-products in waterways). No phosphates (which contribute to algal blooms downstream). No quaternary ammonium disinfectants (quats), which persist in waterways. No synthetic fragrances. No aerosol propellants. The 12-ingredient list is short and intentional. Surfactants are biodegradable and break down in the environment after use rather than persisting.

✓ What's in

12-ingredient formula. Biodegradable surfactants. Vitamin E. Lipase enzyme. Mildly alkaline pH 8 (gentler than strongly acidic or caustic bathroom cleaners).

Biodegradable 12 ingredients pH 8

⚠ What's deliberately out

No chlorine bleach. No phosphates. No quats (quaternary ammonium disinfectants). No synthetic fragrances. No aerosol propellants. Each is a category most commonly flagged for environmental harm or sensitivity triggers.

No chlorine No phosphates No quats No fragrance No aerosols

What about the packaging?

Bathroom & Shower Cleaner comes in a bag-in-box (BIB) format, not a rigid bottle. The outer box is cardboard. The inner bladder is a thin flexible polypropylene (PP) bag. That combination uses significantly less plastic per litre than a traditional rigid bottle. The cardboard outer collapses flat for kerbside recycling. The inner bladder can be recycled through the soft plastic collection stream at participating drop-off points. The trigger sprayer customers refill from the BIB (Foaming Spray Bottle) is replaceable rather than disposable, so a single foamer covers many refills.

✓ Outer box

Cardboard. Kerbside recyclable in your standard household recycling bin. Flattens for efficient disposal.

Cardboard Kerbside recyclable

✓ Inner bladder

Flexible polypropylene (PP) bag. Soft plastic collection stream at participating drop-off points. Uses a fraction of the plastic of a traditional rigid bottle.

Soft plastic Less plastic

How can I clean with a lighter footprint?

A few small habits compound. Use the recommended dose (more product doesn't mean more clean). Let the foam dwell for a few minutes before scrubbing, so the product does the work and you use less. Pair with washable tools like Ultra Pro Bathroom Mitt and Bathroom Squeegee instead of single-use disposable wipes. Rinse with cool or lukewarm water where suitable. Set up Subscribe and Save with the right delivery cycle to cut down on per-unit shipping footprint.

✓ Lighter-footprint cleaning habits

1

Dose correctly. Use the recommended amount. More product doesn't equal a better clean.

2

Let dwell time do the work. Foam, wait, then agitate. Chemistry plus patience means less scrubbing and less product per clean.

3

Washable tools. Ultra Pro Bathroom Mitt and Bathroom Squeegee replace stacks of disposable wipes.

4

Cool rinse, Subscribe and Save. Cool or lukewarm water where suitable. Subscribe and Save aligns deliveries with usage cycles.


Koh Bathroom and Shower Cleaner 1.8L

Bathroom & Shower Cleaner

Bag-in-box, 12 ingredients, pH 8. Sensitive Choice approved, Dermatest tested, Eczema Association recognised. Made in Australia.

Koh Bathroom and Shower Starter Kit

New at Koh?

Bathroom & Shower Starter Kit pairs the cleaner with Ultra Pro Bathroom Mitt. Washable tool replaces stacks of disposable wipes.

Koh Perks rewards and ways to save

Koh Perks · earn points on every order

Members earn points on every purchase, refer a friend, and redeem for discounts. Find all the ways to save in one place.

Browse all Bathroom & Shower Cleaner articles

Last reviewed: April 2026


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