Formby's is formulated to dissolve old varnish, lacquer, and shellac. If your piece is sticky after using the refinisher, a call to the company may be the best way to fix the problem.
Developing Old Film
Removing Drink Rings from Wood Furniture
Storing and Developing Film
Cleaning Wood Furniture
Formby's Furniture Refinisher Left Wood Table Sticky?
Removing Urine Odors from a Couch