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PlastX is a liquid cleaner and polish for clear plastic on cars: headlights, tail lights, turn signal lenses and clear plastic trim. A mild abrasive in the formula lifts oxidation, grime and yellowing, and it fills light scratches so lenses look clearer. It suits drivers whose headlights have gone hazy or dull and who want a hand-applied fix rather than a full wet-sand and clear-coat job. It is a maintenance polish, not a restoration kit: deep crazing, internal cracks and peeling factory coating stay put, and results on badly damaged lenses fall well short of a professional refinish.
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Owners rate it well for clearing light haze and yellowing from headlights and for hiding fine scratches. Many say it works best as upkeep on lenses that are not too far gone, and that badly damaged lights need more than a polish.
Meguiar's PlastX Clear Plastic Cleaner and Polish is made for transparent plastic components on a vehicle. It keeps plastics looking bright and helps prevent oxidation and grime that can cloud headlights.
It also fills in smaller scratches, which reduces the appearance of minor damage and aging.