The answer to 'upholstery buildup' is that it is a common issue caused by a combination of dirt, dust, oils, and other debris accumulating on upholstered furniture over time. Symptoms include a dull, discolored appearance, a rough or sticky texture, and potentially unpleasant odors. To address upholstery buildup, a thorough cleaning is typically required, which may involve vacuuming, spot cleaning, and potentially professional steam cleaning or shampooing.
For light to moderate buildup, homeowners can often tackle the issue themselves using a combination of a vacuum with an upholstery attachment, a mild soap or upholstery cleaner, and a soft-bristle brush. However, for more stubborn or extensive buildup, or for delicate fabrics, it's generally best to call in a professional cleaning service to ensure the upholstery is cleaned safely and effectively without causing damage.