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What are the ingredients of the Loo Cleaner Tabs?Updated 15 days ago

TL;DR: Loo Cleaner Tabs contain 15 ingredients designed to descale, deodorise, and deep clean the toilet bowl. No chlorine bleach, no synthetic fragrance, no phosphates, no VOCs. Sensitive Choice approved and GECA eco-certified. Tap any ingredient below to see what it does.


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What's not in Loo Cleaner Tabs?

Koh Loo Cleaner Tabs are formulated without the harsh chemicals found in conventional toilet cleaners. There is no chlorine bleach (sodium hypochlorite), no synthetic fragrance or perfume, no phosphates, and no volatile organic compounds (VOCs). The product is also free from quaternary ammonium disinfectants and synthetic dyes. The formula is Sensitive Choice approved by the National Asthma Council of Australia and GECA eco-certified. The fragrance-free formula makes the product suitable for sensitive noses, asthma sufferers, and households where fragrance is unwanted.

Loo Cleaner Tabs are formulated without the harsh chemicals found in conventional toilet cleaners.

No chlorine bleach No fragrance No phosphates No VOCs No synthetic dyes

What's in Loo Cleaner Tabs?

Koh Loo Cleaner Tabs contain 15 ingredients. The active cleaning agents are sodium bicarbonate (gentle abrasive and deodoriser), citric acid (descaler), sodium percarbonate (oxygen bleach for whitening and deodorising), sodium carbonate (alkaline cleaning booster), DL-tartaric acid (descaler), sodium lauryl sulfate (surfactant for grease and soil), and three enzymes (protease for protein stains, amylase for starch residues, lipase for fats and oils). The remaining ingredients support tablet structure and dissolution: itaconic acid copolymer, magnesium stearate, polyvinylpolypyrrolidone, croscarmellose sodium, microcrystalline cellulose, polyethylene glycol 4000, and PVOH (polyvinyl alcohol) which is also used as the outer wrapper film.

Sodium Bicarbonate

Gentle abrasive and deodoriser. Creates a fizzing action that lifts stains as the tablet dissolves.

Citric Acid

Descaler and stain remover. Dissolves limescale and mineral deposits.

Sodium Percarbonate

Oxygen-based bleach. Releases hydrogen peroxide on contact with water to whiten stains and deodorise.

Sodium Carbonate

Alkaline cleaning booster. Softens water and helps cut grease.

DL-Tartaric Acid

Descaler. Helps dissolve limescale and soap scum.

Sodium Lauryl Sulfate

Surfactant. Breaks down grease and lifts soils away from the bowl surface.

Protease

Enzyme that breaks down protein-based residues such as urine and organic waste.

Amylase

Enzyme that breaks down starch-based residues.

Lipase

Enzyme that breaks down fats and oily residues.

Itaconic Acid Copolymer

Helps disperse loosened soil and prevent it from settling back on the bowl.

Magnesium Stearate

Tablet processing aid.

Polyvinylpolypyrrolidone

Tablet binder.

Croscarmellose Sodium

Tablet disintegrant.

Microcrystalline Cellulose

Tablet filler and binder.

Polyethylene Glycol 4000

Tablet binder.

PVOH (Polyvinyl Alcohol)

Water-soluble film. Used as the outer wrapper that dissolves with the tab in water, also known as PVA. Learn more about PVOH and the environment

Loo Cleaner Tabs Safety Data Sheet (SDS)

Technical document for regulatory and workplace safety compliance. Most customers won't need this.

Download SDS PDF
Koh Loo Cleaner Tabs

Loo Cleaner Tabs

15 ingredients. No chlorine bleach, no fragrance, no phosphates. Sensitive Choice approved. GECA eco-certified.

Koh Loo Blade in charcoal

Loo Blade

The compatible scrub tool. TPE blade, with a handmade ceramic pot for storage. Pairs with Loo Cleaner Tabs.

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Last reviewed: May 2026 · Koh Australia

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