Why won't soap scum come off my shower glass?Updated 7 days ago
TL;DR: If your shower glass still looks cloudy after cleaning, it might not be soap scum at all. Mineral buildup or glass etching can look very similar but they behave differently. Soap scum responds to Bathroom & Shower Cleaner, dwell time, and light agitation. Mineral buildup needs more work or a specialist descaler. Etching is permanent surface damage that no cleaner will fix. Use the checks below to figure out what you're dealing with.
What's actually on my shower glass?
✓ Soap scum
Film from soap and body oils. Feels slightly slick or waxy. Responds to the right cleaner, dwell time, and gentle agitation.
⚠ Mineral buildup
Calcium and magnesium from hard water. Feels hard or gritty. Needs repeat cleans or a specialist descaler to shift.
⚠ Glass etching
Permanent damage to the glass surface. Feels smooth but looks hazy. No cleaner will fix it, the glass needs replacing or resurfacing.
How do I tell which one it is?
✓ Two quick checks
Fingertip test. Dry glass, run your fingertips across. Slick = soap scum. Gritty = mineral buildup. Smooth but hazy = etching.
Clean-patch test. Thoroughly clean a small area with Bathroom & Shower Cleaner. Compare to surrounds in good daylight. No visible improvement means etching.
How do I fix soap scum?
✓ Soap scum fix
Spray and extend the dwell. 5 to 10 minutes, longer than the usual 2 to 3. Give the formula time to break the film.
Agitate with Ultra Pro Bathroom Mitt. Firm circular motion. Step up to Diamond Sponge for stubborn spots, light pressure only.
Rinse and dry fully. Water rinse, dry with a clean microfibre. Dry glass is clear glass. Repeat the cycle if needed.
What about mineral buildup?
⚠ Different chemistry needed
Mineral buildup is calcium-based. Bathroom & Shower Cleaner is alkaline and doesn't dissolve it effectively, minerals need an acidic descaler. Use a vinegar-based descaler or commercial limescale remover sparingly, rinse thoroughly, never combine with other cleaners. Once the mineral layer is gone, switch back to regular cleaning to prevent recurrence.
What if it's etching?
⚠ Etching isn't cleanable
The damage is to the glass, not a layer on top. Options: professional glass polishing (sometimes effective on light etching), or replace the panel. Prevention for future glass: squeegee after every shower with Bathroom Squeegee, dry seals and ledges, never let hard water dry on glass.
Still not happy with the result?
✓ 30-day money-back guarantee
Worked through the checks and Bathroom & Shower Cleaner still isn't delivering? We'll help troubleshoot, and back it with our 30-day money-back guarantee if needed.

Bathroom & Shower Cleaner · for soap scum and bathroom build-up
Sensitive Choice approved, Dermatest tested, Eczema Association recognised. 12 ingredients, pH 8, made in Australia.

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Last reviewed: April 2026

