How to clean a bathroom mirror without ruining the coating
Standard window cleaners often leave streaks or fail to remove buildup completely, leaving people unsure of how to clean mirrors safely without risking damage to the surface. Without the right approach, cleaning efforts simply smear grime around instead of achieving a clear shine.
What the numbers show
Counted from the threads quoted below. How we count
- People have been saying this in most months since September 2026.
- This comes up 18.5× more often in r/CleaningTips than across the site as a whole.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
Found another way around this?
Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.
- 1Using dish soap and a dish sponge with the abrasive side, then wiping with a couple of clean dry clothsDid this help you?
- 2Sprayway foaming glass cleaner with Costco yellow microfiber ragsDid this help you?
- 3Hot vinegar method or a 50/50 water and vinegar mixtureDid this help you?
- 4Acid-based cleanersDid this help you?
- 5CLRDid this help you?
- 6Straight razor bladeDid this help you?
- 7Mirror cleaner instead of window cleanerDid this help you?
- 8Using rubbing alcoholDid this help you?
- 9Using dish soap and waterDid this help you?
- 10Using glass cleanerDid this help you?
- 11Using Dawn Powerwash and a microfibre clothDid this help you?
- 12Using a scraping blade with alcoholDid this help you?
- 13Sliding the seal off to soak it in CLR and scrubbing itDid this help you?
- 14Replacing the seal entirelyDid this help you?
- 15Scrubbing with a Magic Eraser and dish soap, followed by squeegeeingDid this help you?
- 16Buffing the glass with 0000 grade steel woolDid this help you?
- 17Using automotive products like RainX or windshield wiper fluidDid this help you?
- 18Applying chemical cleaners like CLRDid this help you?
- 19Spraying a diluted vinegar and water mixtureDid this help you?
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“Every time I finish showering, I think the glass door doesn’t look that dirty. Then it dries, and I realize I spoke too soon. All the white water spots and soap marks show up, and the whole thing looks cloudy.”source ↗
“Any easy ways to clean this off? I just want clean, clear glass that doesn’t take forever to scrub.”source ↗
“Tried to get a good photo. It's this weird cluster of circles that I can't get off.”source ↗
“Used the usual mirror cleaner but is afraid to use any other solution as it may damage the mirror”source ↗
“The seal under neath this shower door has gone manky. any recommendations on what might clear it up?”source ↗
“Hello, I’ve tried using window cleaner and nothing works. Perhaps I’m doing something wrong?”source ↗
Where this came up
People with this problem also raised
- 3How to clear heavy bathroom steam without an exhaust fan
- 14How to clean bathroom floors without getting on the hands and knees
- 15How to clean decades of heavy buildup on bathroom hardware
- 10How to clean a stained, textured shower pan when bleach and scrubbing fail
- 3Shower finish peeling off when cleaning
- 8How to clean a really mouldy rental shower and fix the caulk