Universal Cleaner
What are the ingredients in Universal Cleaner?
Universal Cleaner has two ingredients: potassium hydroxide and reverse osmosis water. pH 12.5, 18-month shelf life, Allergy UK certified. Full formula, storage and SDS details inside →
How long does Universal Cleaner last?
A 2L box typically lasts around 3 months in a standard 2 to 3 bedroom UK home. Universal Cleaner is used undiluted, so how long it lasts comes down to how often you clean and how heavy the soil load is →
Does Universal Cleaner contain palm oil?
No. Universal Cleaner contains no palm oil, palm kernel oil or palm-derived ingredients. The formula is potassium hydroxide and reverse osmosis water only, and it’s vegan and cruelty-free →
Is Universal Cleaner safe for septic and greywater systems?
Yes, when used as directed. Universal Cleaner suits standard septic systems, greywater and holding tanks, with no phosphates, sodium, chlorine or antibacterials. Good for caravans and narrowboats →
What surfaces can I use Universal Cleaner on?
Universal Cleaner works on 20+ surfaces: kitchens, bathrooms, glass, tiles, grout, sealed floors, chrome with a light touch, and soft furnishings after a spot test. Avoid soft metals, raw aluminium, tints and easy-clean glass coatings →
How does Universal Cleaner work?
Universal Cleaner is ready to use and never diluted. Spray it on, wait 10 to 30 seconds, wipe with a microfibre cloth. Two ingredients: potassium hydroxide saponifies grease, reverse osmosis water carries it away streak-free →
Is Universal Cleaner chemical-free?
Not technically, because water is a chemical too. But Universal Cleaner has just two ingredients and no fragrances, phosphates, parabens, bleach or chlorine. Allergy UK certified →
Does Universal Cleaner kill bacteria and viruses?
No. Universal Cleaner cleans rather than sanitises. It lifts grease and soil so microbes rinse away, and it won't kill bacteria or viruses. If you need a kill step, clean first, then use a registered disinfectant. →
Do I need to spot test Universal Cleaner first?
Yes. Spot test in a hidden area before using Universal Cleaner on any new surface, especially natural stone, sealed timber and upholstery. Three steps, about five minutes →
What surfaces should I avoid using Universal Cleaner on?
Avoid Universal Cleaner on raw soft metals such as aluminium, copper, brass and zinc, on aftermarket window tints and films, and on easy-clean glass coatings. These react with alkaline cleaners. Spot test anything unfamiliar →
Can I use Universal Cleaner on food prep surfaces?
Yes. Universal Cleaner is safe on worktops, splashbacks, wooden chopping boards, sinks and the inside of the fridge. Spray, wait, wipe, then rinse with a clean damp cloth and let the surface air dry before food touches it →
Is Universal Cleaner fragrance-free?
Universal Cleaner is fragrance-free. No perfumes, no masking agents, no essential oils. If you want a scent, add 2 to 3 drops of essential oil per bottle; more can stop the atomiser spraying →
Is Universal Cleaner eco-certified and allergy-friendly?
Yes to both. Universal Cleaner has been GECA certified since April 2016, GECA being Australia's only multi-sector ecolabel, and it is Allergy UK certified, vegan and cruelty-free. Two ingredients, no phosphates, and a refill format. →
Is Universal Cleaner safe to use around pets?
Yes. Universal Cleaner is fragrance-free, phosphate-free and Allergy UK certified, which makes it a steadier choice in pet homes. Keep pets off surfaces while cleaning and let them dry fully →
Is Universal Cleaner safe for asthma and allergy sufferers?
Yes. Universal Cleaner is Allergy UK certified and fragrance-free, with none of the perfumes, preservatives or dyes that commonly trigger asthma, allergies or eczema flares. Two ingredients only →
Can I use Universal Cleaner on stone, marble, or granite?
Yes. Marble, granite and quartz composite worktops generally do well with Universal Cleaner. Spot test first, spray lightly, then buff dry straight away. Take extra care with honed, unsealed or soft stone like travertine →
Can I use Universal Cleaner on TV, monitor, or laptop screens?
No. Alkaline cleaners can strip the anti-glare and oleophobic coatings on modern displays, so use a dry Glass Cloth on the screen itself. Universal Cleaner is fine on bezels, stands and cases when sprayed onto the cloth →
Why did you discontinue 4L Universal Cleaner?
The 4L size is no longer sold in the UK. We phased it out because customers told us the box took up too much cupboard space. The 2L bag-in-box is now the UK bulk refill, same formula, and lasts most homes 3 to 6 months →
Can I use Universal Cleaner in a robot vacuum or mop?
We haven't tested Universal Cleaner in robot vacuums or mops, and most manufacturers specify water only, so we don't recommend adding it to tanks, lines or internal parts. For floors, the Spray Mop is the tested pairing →
How do I clean carpets, rugs, and upholstery with Koh?
For large areas, dilute Sensitive Laundry Liquid at 1 pump per 1L warm water and run it through a wet-vac. For small spots, spray Universal Cleaner lightly and blot. Not for wool, silk or cashmere. Spot test first →