Keep Mirrors from Fogging up With Steam

One of the most annoying things about taking a shower is coming out to find that your bathroom mirror is completely covered in fog. Fog forming on your mirror is completely normal and expected, but there are easy ways to prevent it, some of which can be carried out using materials you already have in your home.

Steps

Preventing Fogging Using Household Items

1. Rub soap on your mirror. Before showering, run a bar of soap over the mirror lightly, making sure to cover the whole surface. Take care not to rub the soap too hard, or the soap scum will obscure the mirror completely.
   • You can do this exact same experiment with liquid soap or Vaseline.
   • If you are concerned about the appearance of your mirror after rubbing soap on it, use window cleaner to clean away any excess soap. This should leave your mirror looking clear, even after being subjected to steam.
   • If you don’t want to do the whole mirror or can’t reach parts, just cover the parts that you need (like the area where your face will be.)
2. Use shampoo on your mirror. Pour a small amount of whatever shampoo you have available onto a folded paper towel. Use your paper towel to wipe the shampoo over whatever part of your mirror you want to keep clear. Then, take a clean paper towel and use that to wipe the mirror dry.
   • Use twice the amount of shampoo you would normally use to wash your hair.
   • Make sure to wipe the mirror completely dry, otherwise you will end up with a blurry looking mirror.
   • This same trick can be done using shaving cream, toothpaste and laundry detergent. Use whichever one you have handy.
3. Make a vinegar solution. To create your mixture, combine one cup of vinegar and one cup of water. Stir the solution until you are satisfied it has been sufficiently mixed. Pour the mixture into an empty spray bottle and spray the mixture directly onto your mirror. Use a paper towel to wipe the mirror down.
   • For a little more defogging power, add a few drops of dish soap to your mixture.
   • This method should last a couple of days, so continue to re-spray your mirror as necessary.

Preventing Fogging When You’re in a Rush

1. Run cold water. Your mirror becomes foggy when the water vapors from your hot shower condense and touch a colder surface (like your mirror.) To prevent your mirror from fogging, run your shower water on cold for 30 seconds before switching over to hot. This will keep your shower and the surrounding areas cool, so that when you switch over to hot water, the fog will not form as quickly.
   • Keep in mind that the fog will form eventually, so if you are taking an exceptionally long shower, you may still see some fog on your mirror when you emerge.
   • Also keep in mind that the success of this strategy relies on the length of the shower and the size of your bathroom. A bigger bathroom will take longer to form fog, while a smaller bathroom will fog up faster. If you have a smaller bathroom, run the cold water for a longer period of time.
2. Cover your mirrors. If you’re looking for a very quick and very easy way to keep your mirrors from fogging, simply drape a towel over the mirror to protect it from moisture.
   • If you can’t drape the towel because of the way your mirror is hung, try sticking it to the wall using putty or thumb tacks. Just watch out for holes in your wall!
3. Open your doors and windows. If your mirror is fogging up, the easiest way to counteract it is to cool down the room. To do this, open any available windows or doors to allow in a cross-breeze. This will prevent the water vapors from forming on your mirrors, causing the fog to appear.
   • This method is generally more unpleasant in the winter and should be reserved for warmer months so you don’t get sick.
4. Use a hairdryer. If you forgot to defog your mirror before climbing into your shower, don’t fear. There is an easy way to defog it after the fact. Take out a hair dryer and aim it at your mirror (keep the dryer close to the mirror, but not close enough that it touches the mirror.) Continue blasting the mirror until the fog clears up.
   • You can set the hair dryer to either hot or cool, it should work either way.

Preventing Fogging Using Specialty Products

1. Purchase Rain-X Interior Glass Anti-fog. This product, which can be purchased in stores or online, is specifically designed to prevent your mirrors from fogging. To use it, either wipe it or spray it directly onto your mirror and then pat your mirror down to dry.
   • This is the most successful method of keeping your mirror from fogging and can last for up to 27 days at a time.
   • Keep a bottle under the sink in your bathroom and do a quick spray every month.
2. Try adding glycerine when you wash your mirrors. Glycerine can be purchased at pharmacies or online. To use it, pour a splash of glycerine into a bucket of water and mix the mixture thoroughly. Dip a rag into the mixture and use your rag to wipe down and clean off your mirror. The glycerine will keep the mirror from fogging up next time you use the shower.
   • Glycerine is non-toxic, so it’s fine to get it on your hands.
3. Have a defogging pad installed for your mirror. The pad is electrical and adheres to the back of your mirror and is guaranteed to clear fog from even the steamiest of bathrooms. This method is both expensive and time consuming and is therefore not recommended if you are renting your home.
   • Because the pad utilizes electricity and because you will have to remove your mirror to install it, you should hire a professional to take care of it.
   • Depending on the size of your mirror, the pad will cost at minimum, upwards of 100 dollars.

Tips

• To help keep condensation at bay, make sure to turn on your bathroom’s fan during all showers.

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Sources and Citations

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