Combine in a spray bottle and shake well:
3/4 cup olive or other vegetable oil
1/4 teaspoon vinegar
1/2 teaspoon lemon oil (optional)
Test wood surface first. Spray on furniture or rag and rub into wood.
Scratches: Mix equal parts of lemon juice and salad oil. Rub into scratches with a soft cloth until they disappear.
Watermarks: Rub toothpaste on wood furniture to remove watermarks. Polish with a soft cloth.