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DIY Car Window Defogger Spray

DIY Spray Defogger For Car Windows

Mix together this easy solution for keeping your car windows fog-free and fresh. It's made with eco-friendly ingredients and costs pennies to put together. Store with a lint-free cloth in your car's glove box so it's on hand anytime you need it. Personalize the spray with your favorite essential oil, and you have just about the best car helper ever.

What You'll Need:

  • Small mixing bowl
  • 1 cup hot water
  • 2 tablespoons vinegar
  • 10 drops essential oil
  • Small spray bottle
  • Funnel
  • Lint-free cloth


  1. Heat the water until it's just boiling, then pour into the mixing bowl. Add the vinegar and essential oil, and stir. The vinegar and water work together to create a helpful defogger, while the essential oil scents the spray.
  2. Once at room temperature, use a funnel to pour the mixture into a spray bottle. It's that easy!
  3. To use, spray the mixture over the insides of windows and wipe with a lint-free cloth. Your windows will stay fog-free for at least a month — and your car will smell great! Reapply as needed.
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