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Why won’t soap scum come off my shower glass?Updated 14 days ago

TL;DR: If your shower glass still looks cloudy after cleaning, it might not be soap scum. Mineral buildup or glass etching can look very similar. Before you keep scrubbing, try the checks below to figure out what you are dealing with and the best next step.


Koh Bathroom & Shower Cleaner before and after
Koh Bathroom & Shower Cleaner problem vs solution

Soap scum vs something else

Soap scum

A film left behind from soap and body oils. Usually improves with the right cleaner, dwell time, and gentle agitation.

Mineral buildup

Caused by minerals in water drying on the surface. Feels hard or gritty and may not respond to standard cleaning.

Glass etching

Surface damage that looks like haze but will not wash away. Can be caused over time by minerals, harsh cleaners, or abrasion.


What to try

If you think it is soap scum

1

Reapply Bathroom & Shower Cleaner and let it sit for a few minutes before wiping. Repeat if needed.

2

For stubborn areas, pair with a Diamond Sponge using light pressure.

3

Rinse well and dry the glass to prevent residue and spotting.

If it is mineral buildup or etching

If the haze feels like a hard deposit or does not respond after a couple of proper applications, it may be mineral buildup. If the glass feels smooth but still looks cloudy, it may be etching, which is surface damage rather than grime and cannot be cleaned off.

To check, clean a small section thoroughly and compare it to the surrounding area in good light. If there is no difference, etching is more likely.


Still not happy with the result?

If you have tried the steps above and you are still not seeing the improvement you expected, reach out to our team. We can help troubleshoot and, if needed, help you with our 30-day money-back guarantee.


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