Wood Finishes-To keep all your wood working treasures in the best of condition. You should apply protective coatings. Oils are great for cleaning and polishing. Be careful with oils on surfaces that have been scratched to bare wood. The oil can darken the scratch. In cases where scratches are down to bare wood you might want to try a wax instead. Be sure to try the special finishes and waxes for great looks and aromas.