I also use Janvil Plastic polish to repair yellow looking headlights. I primarily do headlight refinishing at my dealerships and get anywhere from $25 to $50 a light assembly.

Janvil Plastic restore works great for removing the old looking appearance on the outside of the light. The only lights that I have problems with are the ones that have dirt and moisture on the inside since I do not remove the assembly from the vehicle to crack them open to polish the inside. I can however improve the look of ones like these quite a bit. It takes me about fifteen or so minutes a car to do all 4 corners - tape and polish. Hope this helps.

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