headlight lense turning yellow?

[eggy790]

one of my headlight lenses seems to be turning slightly yellow.. washed the car still the same.. any ideas why?

or whats caused it? other is perfect clear, this is slightly yellow.. hmm.. not really noticable unless staring directly at headlights

 

[thecremeegg]

one of my headlight lenses seems to be turning slightly yellow.. washed the car still the same.. any ideas why?

or whats caused it? other is perfect clear, this is slightly yellow.. hmm.. not really noticable unless staring directly at headlights

Mine are the same, not sure how to go about cleaning them though

 

[eggy790]

if anyone knows how to clean them, let us know

 

[Brand86]

Need to keep the plastic polished, otherwise the polymers go yellow over time. This is permanent but might be able to improve a bit with some polish. By hand try using Meguairs Scratch X from Halfords to see if that helps or Plast X if you can find some.