Does toothpaste ruin car paint?
While toothpaste itself may not ruin your car paintwork, it is possible to damage your paint by rubbing the toothpaste on the paint surface.
Does WD 40 remove scratches from cars?
WD40 does not remove scratches from car paint. After applying the WD40 to car paint, scratches will disappear, but only temporarily. Yes, that’s the short answer!