My older hardwood floor was sparkling clean before I began. The other rooms have professionally finished, glossy floors, but one room did not--I have no clue why. In my quest for another glossy floor, I cleaned, and hoped to get a glossy look without sanding, and coating the floor. While the Bona polish did leave a coating on the floor, it is not as glossy as I hoped. The floor is quite dull, but shiner than it was before. Well, at least there is some type of protection on the floor.