Why Is My Mirror Turning Yellow? Avoid This!

Are you perplexed as to why your mirror has become yellow? You could notice that your mirror’s edges become yellow after using it for a while. What is the cause of this tainting?

Aggressive cleaning agents, excessive UV exposure, and extended usage all contribute to the yellowing of mirrors. Low-quality mirrors frequently experience this. On the other hand, high-quality mirrors are incredibly robust. Furthermore, they stand up well to UV radiation.

What Are The Reasons Why Mirrors Turn yellow?

Why Is My Mirror Turning Yellow?

Some potential causes of mirror yellowing are inadequate ventilation, excessive moisture, temperature changes, and chemical exposure. Check out the following details to learn more.


Deficient airflow is one of the primary causes of mirror yellowing. The mirror should have enough room between it and the wall when installed. Be aware that moisture can get trapped between the mirror and the wall if it is flush against the latter, leading to the mirror’s silver backing beginning to rust and discolor.


Moisture is another factor in the yellowing of mirrors. Make sure the mirror is consistently dry. Furthermore, unless they are waterproof, avoid putting mirrors in locations constantly exposed to water. If mirrors must go in the bathroom, ensure enough airflow to remove moisture and humidity. Additionally, you should frequently wipe the mirror clean after each use.


The mirror may also turn yellow as a result of temperature fluctuations. Place the mirror indoors or in a room with little exposure to the elements. Keep it in locations with consistent temperatures. This is due to the mirror’s surface’s ability to contract and expand in response to temperature changes.


The cleaning agents you are using on the mirror may blame its yellowing. Ammonia is one of the cleaning agents that might harm the mirror’s edges and backing. Also, use caution while using window cleaning solutions because they can damage the mirror. In some cases, the chemicals from the hair-styling products can contaminate your mirror with discoloring compounds.

How Do I Fix Mirrors With Yellow Tint?

Its darkening and turning yellow could be due to the deterioration of the mirror’s silver backing. The level of discoloration must be determined, the discolored area must be fixed, and the mirror must be resolved in order to remove the yellow tint. Alternate methods for repairing the damage include toothpaste, spray paint, and aluminum foil. You can solve the issue in a number of ways, some of which are listed below.

Step 1: Check The Level of Discoloration

Examining the mirror’s degree of tarnishing should be your first action. The amount to which and in which regions yellowing is occurring. An expert should be hired to fix any sizable antique mirrors you own. However, you can repair the mirror if only a tiny portion of it becomes yellow.

Step 2: Fixing Spots of Discoloration

Before beginning the repair, you must get rid of the discolored corners. The next thing you should do is correct them once you’ve established the degree of discoloration. You must use an edge sealant to seal the mirror after the discolored areas have been eliminated.

Given that cutting a mirror involves specialized tools and expertise, it is advised that you let a professional handle it. If not, you risk damaging the mirror and harming yourself.

Step 3: Resilvering

The mirror must be resilvered as the final stage. There’s an option of doing it yourself or hiring a professional. A re-silvering kit is required; you may get one online or at your neighborhood hardware store. Make sure you use an excellent ventilated place when resilvering the mirror. You can also read this post to learn how to silver a mirror. You can refer to the valuable information we have provided.

Step 4: Apply Toothpaste or Aluminum Foil

Using toothpaste or aluminum foil, you can fix minor scuffs in a mirror that is beginning to become yellow. Applying toothpaste to the scratch and rubbing it with cotton will help you achieve this. The mirror may need to be resilver if it has a significant scratch, though.

Aluminum foil can be used for minor dings as well. In order to cover the blemish, take a piece of smooth aluminum foil and tape it to the mirror’s back.

Use spray paint

Alternatively to aluminum foil, you might use spray paint. Mirror-like spray paint is available to buy. To eradicate the yellowish tint, spray the entire back of the mirror. It is a quick and efficient fix comparing spray paint to toothpaste or aluminum foil.

How Can Mirrors Be Kept From Turning Yellow?

Why Is My Mirror Turning Yellow?

You can take some preventative measures. Among the things you can do to stop mirrors from turning yellow include using the appropriate cleansers and having adequate air. Do not wait until the mirror becomes yellow before fixing it.

Additionally, you must ensure that the space is free of dampness and humidity, which might result in discoloration. Let’s read on to understand more about this.

Leave space between the mirror and the wall. Make sure you have enough room between the mirror and the wall when mounting it. The mirror’s surface will always be dry, thanks to the airflow created by the space between it and the wall. The mirror may begin to turn yellow if there is inadequate airflow.

Selecting the Correct Cleaners

Use the proper cleaning for the mirror, which is very crucial. As the cleaning agent’s chemicals may cause discoloration, avoid soaking the mirror in them. Additionally, avoid spritzing the cleaning agent straight into the mirror. Use the towel to wipe the mirror after spraying the cleaner onto it.

Ammonia-containing cleansers should be avoided as they may cause the mirror’s silver backing to dissolve and begin discoloring. For information on the cleaning supplies, you should use, make sure to read the mirror’s instruction booklet.

How To Clean Up Yellow Scratches On A Mirror?

A mirror’s sense of depth can be destroyed by a scratch, and its intended uses can likewise be hampered. You can take steps to get rid of the blemishes and fix the mirror, even though it isn’t cost-effective to grind the front or re-silver the mirror’s rear. Continue reading to discover how to fix mirror scratches.

To reveal the silvering: the mirror must be removed from the wall or other supporting or hanging surface. 

  • Turn its face down on a soft cloth.
  • Rub some white toothpaste into the scratch after spreading it there.
  • Let it dry before polishing with a soft cloth.
  • The scratch becomes less evident as a result.
  • The illusion of depth in a mirror can be destroyed by a scratch, which can also serve other undesirable reasons.
  • Rub some white toothpaste (not gel) after spreading it over the scratch.

To make a paste:

  • Combine parts of dry mustard and white vinegar.
  • Using a cloth, work the paste into the nick.
  • Buff with a dry, soft cloth.

However, some mirrors can be repaired more effectively with mustard paste than toothpaste. The mirror must be entirely re-silvered to achieve the most outstanding restoration results. If the scratch is exceptionally distracting, get it professionally re-silvered. You can send your mirror to a specialty store or most multipurpose glass stores can re-silver it for you.

To make a paste, combine parts of dry mustard and white vinegar. Remember that re-silvering amplifies surface imperfections and nicks, particularly in an old or antique mirror. But these flaws offer character to an antique, so they’re not all bad.

Use a superfine polishing disc on a Dremel or equivalent equipment to sand or buff off minor surface blemishes, or use hand polish. Even though this technique can virtually eliminate scratches, the mirror will distort. Before performing this repair, consider your priorities and decide if mirror clarity or surface perfection is more important to you.

Can Old Yellow Mirrors Be Restored?

It’s possible to restore old mirrors. To accomplish this, the glass should be scrubbed meticulously, and the frame should be refinished. Re-silvering the mirror is another option. In particular, for huge mirrors, this should be handled by experts. However, mirror resilvering doesn’t necessarily work to remove scratches and can have unpredictable outcomes.


The color of a mirror can also change if it is constantly exposed to dampness and moisture. It should be waterproof if you intend to put the mirror in the bathroom.

What might cause mirrors to yellow, and what are the potential causes? The yellow tint on mirrors can be fixed in what way? Could mold develop on mirrors? How can yellow mirror fading be avoided? You’ve now discovered the solutions; it’s time to put them into use.

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