This product gently cleans grime and dirt on the surface and out of hairline scratches. These tiny scratches are much more noticeable when they are filled with dirt, so they virtually disappear when they are cleaned. This cleaner will not contribute to any new scratches and is even safe on the soft plastic of convertible windows. Gently massage cleaner into the plastic. Agitate in circular motions to break the bond between the grime and the plastic. When you're satisfied, use a clean microfiber towel to buff away residue and reveal an astoundingly clean surface. The freshly cleaned surfaces are sparkling and primed--ready for the polishing step. 8 ounce bottle.