Window cleaner is a staple in many homes. It’s a go-to solution for sparkling glass, smudge-free mirrors, and gleaming surfaces. However, despite its name and its common use, window cleaner isn’t suitable for everything.
In fact, using it on certain surfaces can lead to damage, streaks, and even a messier situation than before you started. If you’re used to grabbing your trusty bottle of window cleaner without a second thought, it’s time to rethink that habit.
Here are ten things you should never clean with window cleaner.
Wooden Surfaces
Wooden furniture, floors, and other wooden surfaces are prone to damage from harsh chemicals, and window cleaners often contain ammonia or alcohol. These substances can strip the wood’s finish, leaving it dull or even causing it to swell or warp.
Electronics

The shiny screen of your TV, smartphone, or laptop may seem like a perfect candidate for a quick spritz of window cleaner, but it’s a huge no-no. Electronics have delicate coatings that can easily be damaged by harsh chemicals.
Mirrors with Anti-Glare Coating
Mirrors are another surface that people often reach for window cleaner to shine up. However, many mirrors, particularly those with anti-glare or anti-fog coatings, should not come into contact with window cleaner.
Antique or Delicate Glassware

When it comes to antique glass or delicate glassware, such as fine crystal or vintage items, window cleaner is not your best friend. Although it’s tempting to use it to quickly shine these items, the harsh chemicals can cause damage over time.
Painted Surfaces
Painted walls, doors, and other painted surfaces can be susceptible to damage from window cleaner. The chemicals in the cleaner can dull the paint or cause it to peel off, especially if the paint is older or not properly sealed.
Leather Furniture and Accessories
Leather, whether it’s on furniture, shoes, bags, or car seats, is another surface that should be avoided when using window cleaner. While it may seem like a good idea to polish your leather goods, the chemicals in window cleaner will harm the leather.
Stainless Steel Appliances

Stainless steel appliances like refrigerators, dishwashers, and ovens often get dirty from fingerprints and splashes. While it might seem logical to reach for a window cleaner to deal with these smudges, this can actually do more harm than good.
Granite or Marble Countertops
Granite and marble countertops are luxurious and durable, but they’re also sensitive to chemicals. Using window cleaner on these surfaces can damage the stone or cause discoloration over time.
Windows with Tinted Film

If you have tinted windows, whether on your car, home, or office, be extra cautious with window cleaner. Tinted film can react negatively to the chemicals commonly found in window cleaners.
Dirty Grout Lines
Cleaning grout with window cleaner seems like a quick solution, but it’s not the best approach. Grout is porous and can absorb chemicals, which may lead to discoloration or increased dirt buildup.
Final Thoughts
While a window cleaner is a handy tool for sparkling glass and windows, it’s not a one-size-fits-all solution. Using it on the wrong surfaces can lead to damage, streaks, and even worse results than before you started. Whether you’re dealing with wooden furniture, delicate electronics, or luxurious countertops, it’s important to know which products to reach for and which ones to avoid.
Always read labels carefully and opt for cleaners that are formulated for specific surfaces to maintain the integrity and longevity of your items. By using the right products for each task, you’ll ensure your home and belongings stay in the best possible shape.
Read the original Crafting Your Home.
