How to clean a yellowed transparent phone case: 5 Easy ways to restore its look at home

A clear phone case looks great for the first few weeks. Then the yellow creeps in, starting at the edges and slowly spreading until the case looks more like old newspaper than crystal glass. The discolouration comes from sunlight, body oils, sweat, dirt and the natural ageing of the plastic. While some yellowing is permanent, a lot of it is surface grime that can be lifted with simple household items. Here are five easy ways to bring a yellowed transparent phone case back to life at home.