Cleaning upholstery with baking soda is a simple yet highly effective way to refresh furniture and eliminate odors naturally. This gentle, non-toxic ingredient works by absorbing moisture and neutralizing unpleasant smells trapped in fabric fibers. To use it, lightly sprinkle baking soda over the upholstery, let it sit for 15–30 minutes (or longer for deeper odors), and then vacuum thoroughly using an upholstery attachment.