The answer to 'best way to clean upholstery' is to use a gentle, specialized upholstery cleaner and follow the manufacturer's instructions. Start by vacuuming the upholstery to remove any loose dirt or debris. Then, apply the upholstery cleaner to a small, inconspicuous area to test for colorfastness and any adverse reactions. Once you've confirmed the cleaner is safe, gently scrub the upholstery using a soft-bristle brush or clean cloth, being careful not to soak the fabric. Blot any excess moisture with a clean, dry towel and allow the upholstery to fully air dry before use.
Regular vacuuming and spot cleaning with an appropriate upholstery cleaner will help keep your furniture looking its best. For heavily soiled or delicate upholstery, it's best to consult a professional cleaning service to ensure the fabric is cleaned safely and effectively.