Polish is used to clean and restore the paint surface. All polishing products for cars utilize a mild abrasive action to effectively remove a microscopic layer of clear coat. This will serve to flatten the surface of the paint, which will result in a highly polished shine.
Not all polishes are the same. Some are formulated with mild abrasives, while others have a more intense polishing action meant for big jobs such as removing deep scratches and heavy oxidation.
There are polishes designed with diminishing abrasives. These types of abrasives will break down further into smaller particles once the polish is applied and worked into the paint.
If the paint has a lot of dull surfaces, oxidation, scratches, and swirl marks, then simply applying wax will not restore the finish. You will need to polish the surface before applying wax. Polish is also used to remove tar or asphalt, dead insects, and bird droppings. For extremely demanding jobs, polish alone is not enough. In order to remove stubborn contaminants, you will need a clay bar followed by applying a mild polish and wax.
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How Often Should I Polish My Car?
Since polish contains mild abrasives, regular polishing is not recommended. In fact, you should only apply polish once every 6 months or so.
This rule is not exactly cast in stone. For example, if you see a lot of scuffs or tar spots on the lower valance of the body work, you don’t need to wait for 6 months before removing the scratches and the stains. Grab a bottle of polish, work a small amount of polish on the paint using a clean applicator, and remove the haze with a clean towel. Seal the surface with a premium carnauba wax to restore the shine of the finish.