Your couch may be one of the most frequently used surfaces in your home. Family members gather there, pets nap there, children snack there, and guests settle in without giving much thought to what may be collecting in the fabric. Even when upholstered furniture looks relatively clean, its fibers can gradually accumulate body oils, dust, food particles, pet hair, dander, and spills. Regular vacuuming can remove loose debris, but it does not always reach the material embedded d