Homemade Window Cleaner RecipePin

Homemade Window Cleaner: Bye-Bye Smelly Blue Stuff

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Are you tired of spending money on window cleaners that leave you with smudgy glass and a lighter wallet? I was, so I created a homemade window cleaner recipe to get the job done right the first time.

Stick around, and I’ll explain how to make and use this for sparkling clean and streak-free windows, inside and out.

What these Simple Ingredients Do

If windows only got coated with dirt and pollen, a strong blast of water would get them clean. But windows also develop city grime that clings to glass, even after a heavy rain. The ingredients in my versatile homemade window cleaner loosen that grime.

  • Dish soap: Soap contains fatty substances that cling to dirt, making it easier to rinse away. But be sure to measure: too much will cause streaks.
  • Vinegar: The acetic acid in vinegar helps loosen stubborn messes like bird droppings and bugs on windows. Use regular white vinegar from your pantry—there’s no need for “cleaning vinegar.”
  • Rubbing alcohol: Isopropyl or rubbing alcohol is a solvent that works with vinegar to get your windows clean. Since it evaporates quickly, it also prevents streaks.
  • Cornstarch: The optional use of cornstarch adds a gentle abrasive power that absorbs oils and breaks down mineral deposits.

Did You Know?

Did you know that the Empire State Building in New York has 6,514 windows? There are so many that by the time they’re done cleaning them, it’s time to start again!

What NOT To Use to Clean Windows

Some DIY window cleaner recipes recommend using essential oils or hot water, but both are bad ideas. You won’t find a professional window cleaner using either, and for good reasons:

Essential oils are still oils. Using oil on windows leaves streaks. And since most people don’t go around sniffing windows (I hope), why bother?

Hot water can harm cold windows. Using hot water on windows cooled by low outdoor temperatures can cause thermal shock, which weakens and sometimes shatters glass. Let the outdoor temps guide you: warm water when it’s hot, cool water when it’s cool.

Homemade Window and Glass Cleaner

This simple solution gets windows and glass surfaces sparkling clean without leaving streaks.
Type of Recipehomemade cleaner
Use AsSpray
Keywordsspray, windows
Print This

Equipment and Materials

  • Measuring cup and spoon
  • Spray bottle

Supplies

  • 1 cup rubbing alcohol isopropyl, 70% strength
  • 1 cup white vinegar
  • 3 drops dishwashing liquid
  • Scant 1/8 teaspoon cornstarch optional

Steps

  1. Mix all the ingredients in a spray bottle and swirl to combine.
  2. If your windows are extremely dirty, add the cornstarch for gentle abrasion to lift grime.
  3. Shake the bottle well before each use.
  4. Store in a cool, dark place away from open flames and direct sunlight. Use within 3 months.

How to Use My DIY Window Cleaner

For the best results, spray the window and scrub it with a microfiber cloth to loosen grime. Then use a squeegee in one direction to remove the liquid. Wipe the blade every so often to keep it clean. When you’re done with a window, dry any spills on the sill or trim.

And if you’ve been avoiding this chore because you can’t get your windows open, try these steps to fix stuck windows — no special equipment required.

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12 Comments

  1. Cathy Bailes says:

    Used this yesterday on my windows and they look wonderful. No streaks or smudges. I can’t thank you enough for posting this recipe.

    1. Katie Berry says:

      I’m so glad you like it! It’s a favorite of mine because I can’t stand window streaks or smudges, either.

  2. Diane Wallach says:

    Can this be used on mirrors? Or do you have another recipe for mirrors?

    1. Katie Berry says:

      Yes, it works on windows, glass, and mirrors.

  3. We live by the ocean and this recipe has been my favorite for cleaning salt water spots. It is a great recipe. I have not tried it with cornstarch.

  4. About the cornstarch… How much should you use?

    1. Katie Berry says:

      As it says, a small pinch. So, just like in a cooking recipe referring to “a pinch,” you’d pinch a small amount between your fingers and add it. If you want to measure, a pinch is equal to 1/16th of a teaspoon.

  5. learn something new today says:

    yes! we used your formula yesterday & the windows have that million dollar shine! we used durable spray bottles from the cleaning section of the big box store & newspapers to clean/scrub & microfiber to finish/polish! thanks+++?

  6. phyllis johnson says:

    Thank you for the help I needed. My Mother died in 1980 and I could not remember all the ingredients she used. Two were the alcohol and/or vinegar. My mother did the windows weekly and they always had a great clear shine when she finished caring for them.

    1. Katie Berry says:

      Hi Phyllis,
      I’m so glad you found the recipe again and hope your sparkling windows now bring back wonderful memories of your mom.

  7. Kelsey Hutchins says:

    Can I use apple cider vinegar in place of the white vinegar?

    1. Katie Berry says:

      Hi Kelsey,
      I wouldn’t recommend it. Apple cider vinegar contains pectin and is likely to leave streaks.

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