How To Stop Your Glasses From Fogging While Wearing a Face Mask [UPDATED]

• Updated on 4 October 2021 • Ray from Kraywoods

We all have a clear idea when to use a face mask. But it seems we missed the memo on what to do when glasses fog up. If you wear glasses regularly, you might have noticed that putting on a face mask isn’t the most convenient.

When you cover your face with a mask, such as medical face masks or reusable face masks, and wear your glasses over them, the lenses quickly fog up. This situation isn’t comfortable nor fun to deal with. Your vision becomes blurry to the point of almost not seeing anything through your lenses. This, by itself, is irritating. So, what’s the solution here? You’re about to discover how to stop your glasses from fogging up while wearing a mask:

  1. Make sure your mask fits properly
  2. Tape the top part of your mask
  3. Pull the mask higher
  4. Use an anti-fog spray or wipes for your lenses

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Why Do Your Glasses Fog Up When You Wear A Mask?  

Generally, a face mask for protection against the virus is a total must. The mask isn’t going anywhere for a while so let’s work around that area. The scientific explanation behind your glasses fogging up when you wear a face mask is pretty simple: when you’re breathing under your face mask, your warm breath passes through the top part of the mask and directly into your glasses. As a result, the moisture in your breath creates condensation in your lenses. Therefore, your glasses will fog up instantly.


Another similar situation would be wearing your glasses with a headscarf during winter season or waking into a warm place after being outside in the cold. Sometimes you can’t prevent your eyewear from fogging up. But we can tell you how to stop glasses from steaming up when wearing a mask.

woman wearing glasses fogging up with a face mask

How to Stop Your Glasses from Fogging Up When Wearing a Mask?

There's always a solution for everything, even fogged up glasses! Things might get more complicated as the weather turns cold. Luckily for us, Ophthalmologists and optometrists have found the answer to how to stop glasses from fogging up and prevent getting condensation on the lenses. Let's check them out:

  1. Make sure your mask properly fits: A first and the most important tip. Most medical masks have a bendable and flexible metal strip to ensure the best fit around your nose and cheeks. It’s a good step to preventing your glasses from fogging up. It is not necessary to have a surgical mask for a good fit. If you're planning to make and use a homemade mask, you can sew in a pipe cleaner or a twist tie to the top of your mask. By doing so, you can always ensure the best possible fit when wearing your mask, just like the medical ones. You might also want to adjust the mask's straps or ear loops, as this can also help get a better fit. Once the mask fits well, your breath should pass through the mask anymore.
  2. Tape the top part of your mask: It’s a weird advice but it does actually stop your glasses from fogging up. Most doctors around the world have been using tape around the top part of their mask. You can apply this tip on yourself too. All you have to do is tape the top part of your mask from cheek to cheek, through the bridge of your nose. When doing so, avoid using duct tape, as this may irritate your skin. Adhesive, athletic, or medical tapes would be ideal. Before using a specific kind of tape, make sure to test it on a different part of your body to ensure that it will not irritate your skin.
  3. Pull the mask higher: It’s another simple way to get rid of fog on your glasses. To block the flow of air, use the weight of the lenses on top of your mask. Depending on the pattern and shape of your eyeglasses, this can be easy to do. In the case of large and thick frames, this method works perfectly!
  4. Use an anti-fog spray or wipe: You can treat your lenses with the best anti-fog for glasses while wearing a mask. This can either be a spray or a wipe to protect your lenses from condensation. Moreover, these products are very effective and can easily be purchased at your local optical shop or online. With the price varying from 10$ to 60$, some are pricier than others, so make sure to shop around and find a product that best suits your budget. Keep in mind that some anti-fog solutions might not work well with certain lens coatings, like anti-glare or anti-smudge, so make sure to read the instruction written on each product or to consult your optician before buying anything.
woman wearing glasses over a facemask with condensation on the lenses

Should You Use Soap on Glasses to Prevent Condensation?  

You may have heard of several home remedies or DIY hacks to prevent your glasses from fogging up while going on a full-face mask protection journey. Some of these include using soapy water, shampoo, toothpaste, or even shaving cream to prevent the glasses from fogging up. These methods are ideal for a temporary solution but are not as effective long-term.


Using soapy water to clean your lenses and letting them dry will help prevent condensation from forming on them. As a result, the soapy water works as a surface-active agent, or as a surfactant and leaves behind the thin film that helps prevent condensation.


Although there is no real data about this, any substance that works as a surfactant on the surface of the lenses can be beneficial to help prevent condensation. Liquids like soap, baby shampoo, shaving cream, and toothpaste all work similarly. Keep in mind these hacks are only temporary solutions and will not be as effective as the professional anti-fog products sold on the market.


To learn more about what type of products can be used on your glasses, check out our blog on the best ways to clean your glasses.

cleaning glasses with soap and water to prevent them from fogging up

Types of Face Masks

Now that we gave away the tips on how to stop your glasses from steaming up when wearing a mask, it's equally important to know how you should wear a mask properly and what types can be used as an alternative.

The most effective masks are certified N95 respirator masks or medical grade surgical masks. You can also use a reusable hand-sewn masks. However, these are not as effective since the fabric of a cloth mask may be porous and if it fails to provide a snug fit around the nose and the cheeks, tiny droplets of bacteria can be still be inhaled.

If you opt for a hand-sewn reusable face mask, it is essential to ensure a proper and snug fit around the nose, cheeks and jaw, as well as use an added filter inside to ensure optimal protection. You can find hand-sewn masks made with a designated pocket for a filter inside, so if you don't have access to an N95 or surgical mask, these can be a great alternative. To personalize your face masks even more, you can try to accessorize it with trendy glasses chains for a stylish and refined look! Surprisingly, they work wonders on face masks and help keep them within reach at all times!

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Watch Below: How To Make A DIY Face Mask