Oxidation is another valid answer to “Why do clear phone cases turn yellow?” It happens when oxygen in the air reacts with the plastic. This changes the material on a chemical level, often creating ...

If, after trying everything, your case is still yellow, you may have to face the fact it is time for a new phone case. Clear cases quickly get dirty, and there is no getting around that.

Phone cases are the best way to protect your expensive phone from damage. If you’ve got a clear phone case, you probably love that it’s see-through and looks clean.

Clear phone cases often turn yellow over time, and the stain is often hard to remove. Heat and ultraviolet light cause the yellowing of your clear phone case. You can't really avoid it and changing ...