Naturally Repair Wood With Vinegar and Canola Oil. So, for a super cheap, use 3/4 cup of oil, add 1/4 cup vinegar. white or apple cider vinegar, mix it in a jar, then rub it into the wood. You don’t need to wipe it off; the wood just soaks it in.
Sooner or later, every woodworker is faced with the prospect of refinishing an old piece of furniture. Whether it's a treasured "find" at a flea market or auction, or a favor for a relative or friend, etc., most people consider stripping off the old finish and refinishing the only option of successfully restoring the appearance of the piece.