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Why Phone Cases Turn Yellow and How to Remove Stains from it?


Ever since we all had a cell phone, a phone case is necessary for protecting and decorating our mobile phone in daily use. This is the start of phone case culture, which lead to so many types of phone cases appear in the market.

But more than 70% consumers will face a problem is that it will turn yellow after they purchased a clear phone case from the store and use it for a while.

Especially the soft bumper case and the cases were made of silica gel and plastic, they are easier to turn yellow, which affects not only beautiful, but also the user’s experience.


Why the phone case became like this?

It is hard to bare a good-looking case with yellow stains, actually, there are a lot of reasons that why the phone case will turn yellow. The main reason is because of the ultraviolet radiation of the sun. If you usually use your smartphone with the case in outdoor, the case will turn yellow after a long time exposes under the sun.



Of course, UV radiation isn’t the only element that can cause plastics and polymers to age. Exposure to visible light, extreme temperatures, humidity or exposure to solvents can also cause a polymer to fail over time. When it comes to yellowing, however, UV light is often the primary culprit.

In addition to this, the constant friction during normal use, and the sweat on the hand or the oil on you face cause the oxidation reaction will also turn the cell phone yellow. But, yellowing dose not affect its basic use such as hardness and service life.

How to remove yellow stains off your clear phone case?

This is an era of individuality, at this moment, what is the closest to your person? Your wallet, your purse, your keys, or your mobile phone? The answer is most likely your phone. The smartphone is so important that they have become the things we are never parted from.


A clear and pretty phone case can make your phone more perfect. Although the phone case can protect your phone, you still need to pay attentions to use your  phone case better for making use of it well. So how can you remove the yellow stains on your case? If you have limited budget on purchasing phone case, there are some tips for you to reverse the color change.

1. Soap water or laundry detergent

The most frequently used method is soaking the phone case with soapy water or laundry detergent water for a while. Then use a soft brush or a toothbrush to lightly brush the case until wipe the yellow stains off. Generally speaking, the normal substance on the phone case can be cleaned easily. But if it is yellow due to oxidation or similar reasons, it can not be cleaned.


2. Bleach water

Bleach is a kind of water that can make things white or colorless, which has an obvious effect on cleaning silica gel phone case. Before using the bleach water, you suppose to prepare some gadgets, a pair of plastic gloves, an apron and a disposable face mask.

The reason why you need those stuffs is because of the bleach is corrosive and irritating, you need some things protective. According to the instructions of the product packaging, use it after diluting the bleach on the basis of the prescribed proportion.

Most of the bleach water in the market has featured with sterilization. Put the phone case in a ventilated place and make it dry after soaking in the bleach and wiping it clear. But the same problem is we can not clear away the yellow stain if it was caused by the oxidation.

3. Toothpaste

As it known to all, toothpaste can make our tooth clean and white, the purpose of this is to tell everyone that toothpaste is also a very useful cleaning tool. However, is it can reach our expectations for cleaning soft yellowing phone case? The answer is No.

Let’s coat some toothpaste on the surface of the silica phone case and rub repeatedly with a cleaning cloth. It is a pity to tell you that we found out it is not effective to use the toothpaste to clean the silica gel phone case. The yellow stains are still there.

Obviously, the toothpaste can easily clean the tea stains or coffee stains of the tea cup, and even remove the small scratches on the surface of the mobile phone, but from the actual test, the toothpaste can not clean the yellow stains off the phone case.


4. Alcohol

Alcohol has excellent cleaning ability. Because alcohol has the characteristics of strong decontamination and volatilization, it can be returned to a dry state in a short time after wiping. It does not easily penetrate into the machine like water, which may cause a short circuit in the power supply.

Let your yellowing phone case soaking in the water 10min then wipe the stains repeatedly. It works, but only a little bit of effect on cleaning the stains. If you are interested in this method, you can buy a bottle of 75% medical alcohol to try.


5. Eraser

When people in childhood, the most used stationary is pencil, so an eraser is necessary. It not only wipes the handwriting on paper objects, but also has a good cleaning effect on other objects. It is also suitable for use on phone case, especially those models that use a matte finish.

If you use an eraser, you can clean out the dirt. So, does it have a good effect on a smooth silicone phone case? After we wiped the soft phone case with the eraser, it clear the dirt, but still can not get the yellow stains off the case.

Get a new Antibacterial phone case instead,see product list for more details.

Source from internet

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