Naturally Repair Wood With Vinegar and Canola Oil. So, for a super cheap, effective repair job 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.

TIP: Works really well on polished wood floors too!!!