What cause your phone case turning yellow?

In general, people won't use a phone case in a rugged phone, but use it in a regular smartphone. There are two main reasons why clear phone cases turn yellow:

• UV light exposure: Clear phone cases are typically made from a type of plastic called silicone. Silicone is a polymer that can degrade when exposed to UV light, which is a type of radiation emitted by the sun. The degradation of silicone can cause the case to turn yellow.
• Natural oils and sweat: The natural oils and sweat from your body can also cause a clear phone case to turn yellow. These oils and sweat can react with the silicone in the case, causing it to discolor.

In addition to these two main reasons, other factors that can contribute to the yellowing of a clear phone case include:

• Heat: Exposure to heat can also accelerate the degradation of silicone and cause the case to turn yellow.
• Dirt and grime: Dirt and grime can also build up on a clear phone case and cause it to look yellow.
• Age: Over time, all clear phone cases will eventually turn yellow, even if they are not exposed to UV light or other harsh conditions.

If you want to prevent your clear phone case from turning yellow, you can take the following steps:

• Avoid exposing the case to UV light: Keep your phone case in a cool, dark place when you are not using it.
• Clean the case regularly: Here is the guide of 'How to clean a clear phone case that turned yellow'.
• Use a UV-protective case: There are clear phone cases that are specifically designed to protect against UV light. These cases may be more expensive than regular clear cases, but they can help to prevent the case from turning yellow.

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