Circa 1850 Furniture Refinisher is designed to refurbish worn, scratched or cracked finishes on antiques and old furniture, as well as modern lacquered furniture. Circa 1850 Furniture Refinisher works by dissolving the old finish and reconstructing a new finish - without stripping. Circa 1850 Furniture Refinisher is formulated to work on varnishes, shellacs, and lacquers.