There was a period when the original Wonder Wheels alloy cleaner dominated our tests with repeated wins, and now its sealant is threatening to do the same. This is its third win on the bounce ...

You may have applied a protective coat of wax or a sealant to your car before winter but, judging by the way many disappeared in our test, chances are it will need refreshing unless you used one ...

We used three sander discs because of the amount of hidden gunk and sealant that was on these things and kept ruining the pads quickly.