Meguiars makes the best clear plastic polish and cleaner - bar none.

The cleaner (part # M1708) and polish (part # M1008) are the perfect combination to keep windscreens, helmet visors, taillight lenses, or any other acrylic plastic clean and scratch-free. Removes or reduces spider-webbing. I've used this stuff for decades.

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I used to buy this stuff by the case - it's great to keep your paint shiny and clean. Works for cars, too - any painted surface.

Brush or blow off any heavy dust, spray on the cleaner, wipe it off and buff with a clean soft cloth, and your bike will look like you just waxed it. Awesome!

Sadly, this product has been discontinued - but now it's available from the original manufacturer! Read  More...