What are the ingredients in Universal Cleaner?Updated 3 hours ago
TL;DR: Universal Cleaner contains two ingredients: potassium hydroxide and reverse osmosis water. Formulated at pH 12.5, with an 18-month shelf life from manufacture. GECA eco-certified and Sensitive Choice approved.
Last reviewed: April 2026
What's in Universal Cleaner?
✓ Potassium hydroxide
A strong alkali degreaser. Saponifies fats and oils into soap, lifting tough grease and baked-on grime at a safe low concentration. Does the cleaning work.
✓ Reverse osmosis water
Ultra-pure solvent. Dilutes the alkali to the safe use concentration, prevents mineral residue on surfaces, and delivers a clean, streak-free finish.
What is the pH and shelf life of Universal Cleaner?
pH level
~12.5
Alkaline. Cuts grease and organic soil without scrubbing.
Shelf life
18 months
From date of manufacture, sealed and stored properly.
Storage
Cool, sealed, shaded
Out of direct sunlight. Don't freeze or expose to extreme heat.
Is Universal Cleaner eco-certified?
✓ Certifications & awards
GECA eco-certified. Sensitive Choice approved. Canstar Blue #1 Multipurpose Cleaner 2022 and 2023. Pet-, kid-, and allergy-friendly.
✓ Made in Australia
Formulated and manufactured in Australia. The simplicity of the formula (two ingredients) is what lets Universal Cleaner clear these independent eco and sensitivity thresholds.
Where can I find the Safety Data Sheet?
✓ Access Universal Cleaner SDS
The Safety Data Sheet covers composition, physical properties, handling, storage, disposal, and emergency response for regulatory and workplace safety compliance. Most customers never need to open it, but it's available anytime.
Download SDS PDF
New at Koh?
This is the OG. Universal Cleaner Starter Kit pairs Universal Cleaner with Atomiser Spray Bottle and everything else you need to get started.

Subscribe & Save with Universal Cleaner
Never run out. Pick your delivery frequency and save on every order with Subscribe & Save.
Browse all Universal Cleaner articles

