Smartphone cases and phone cases are not what they were a few years ago – today you can find a back cover for any model, color and design. The materials used to make these covers have also changed. In this blog, you’ll learn how to clean a yellowed clear phone case.
With the general increase in screen time around the world, wear and tear on the average smartphone has increased significantly. More specifically, the damage to the case is very high – it gets dirty and dirty. For people with clear phone cases, the struggle is real – it’s not uncommon to find yellowed phone cases.
So, what exactly causes this yellow stain on the phone case? Are they removable? Read on and learn how to clean a yellowed clear phone case!
Why is my Clear Phone Case Turning Yellow?

Transparent casings are usually made of silicone and similar polymers. Silicones are known for their flexibility and strength, so they are heavily used in the manufacture of phone cases. The covers are also cheap – another advantage that makes these covers popular.
But these silicone sleeves have been known to turn a deep yellow color over time. You have to understand that they are not just stains; rather, this discoloration is a sign of deterioration of the back cover housing material.
There are many factors that cause this phenomenon. Usually caused by material aging. Check out some things that boost the aging process.
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- Ultraviolet Radiation
If you frequently use your phone while outdoors in the sun, it can be one of the causes of staining. UV rays from the sun are bad for your condition.
- Extreme Temperatures And High Humidity
When your phone overheats, the excess heat is transferred to the case. This caused it to swell and turn a deep yellow.
- Sweat And Oil

Grease and other dirt from your hands can turn the clear case yellow. This is because of the oxidation reaction.
- Solvents And Other Things
Debris you drop on your phone can also stain the cover – it can be anything, like food.
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For the above reasons, having a crisp and clean phone case is still the dream of many people.
There are many easy ways to help you get rid of the yellow in the clear casing. Some of these techniques are given below.
- Detergent-Dishwashing Liquid And Soap
This is the most common way to remove yellow stains from phone cases. Take a mild detergent or dishwashing liquid and add it to warm water to make a diluted solution. Soak your phone case in this solution for a few minutes. Then remove it and scrub lightly with an old toothbrush.
After scrubbing all the stains, run water over it and dry completely. Now your case is like new!
- Baking Soda
Baking soda is very effective when cleaning certain materials. Silicone is one of them, so this soda is the go-to for things that can clean clear cases.
Place the phone case on a surface and sprinkle some baking soda inside. Now, take a soft brush and wet it in cold water. Lightly sprinkle sparkling water all over and rub. Give it a wash and you’ll find that all the yellow stains are gone!
- Rubbing Alcohol
Rubbing alcohol is a solution that can also be used as a sanitizer, so it’s perfect for your phone case. However, some materials did not react well with this solution. So you need to test it on a small part of the case before using it for the material.
Take a small microfiber cloth and lightly dampen it with some rubbing alcohol solution. Now run the cloth around the box to remove any dirt and stains. Before using the case again, wipe it down with another microfiber cloth and dry it completely.
- Paint Thinner And Toothpaste
This technique may be your last resort. First, apply a thin layer of toothpaste to the phone case and wipe with the help of a steel wool scrubber. After scrubbing, it’s ready to be washed off.
Now, coat your case with paint thinner and finish. Again, you can wipe down thoroughly with a steel wool scrubber. Finally, rinse the solution with water. If you notice toothpaste or paint thinner residue, you can try applying a little dishwashing liquid and then cleaning the case off.
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Final Words
These are some of the most common methods for cleaning and organizing clear phone cases. If the case is still dirty and yellowed after applying these techniques, maybe it’s time to consider a new case!