Works to restore light and dark woods to their natural state of beauty. It does this by saturating deep into the fibers of the wood, below the surface. It deposits mineral oil to nurture and condition dry, aging wood, enhancing the shine and natural beauty of the wood from the inside out. Its safe and effective for use on birch, pine, maple, oak, hickory and many other types of solid wood. Plus, you can trust your cherished antique furniture to Old English, too.