Lemon oil is actually a misnomer. It is mineral oil with a lemon scent. It does moisturize by going into the wood through cracks in the finish. If you ever wanted to refinish a piece that had lemon oil in it, you would have a problem with bonding of the new finish. Since lemon oil doesn't dry, it is not buffable. If you wanted to add stain, do that before applying Wood Elixir. If adding color after, use solvent based wood dyes. After Wood Elixir has cured for a couple of days, you can add any type of finish you choose. The chair leg has water damage and requires bleaching to remove dark. Restor-a-Finish by Howard Products is a finish brightener and colorant. It is formulated totally differently from Wood Elixir and therefore, offers no long-term protection. (See Comparison Photo Link.) On unfinished wood, Wood Elixir seals and produces a finish similar to French Polish which is built up in several teatments. Your chest, if made in 1900 is shellac finish and if made in 1920 could also be lacquer. Both are restorable with Wood Elixir. Test first for color. Wood Elixir will only bring out he original color of the wood. Lacquer finishes often had tints added to the final finish which saved production time. Sorry, Wood Elixir is not in stores in the U.S. yet only in Canada.