Attach the furniture brush to your vacuum cleaner and turn the vacuum on to medium power. Vacuum up any dust on the couches.
Dab up wet spills from the Natuzzi leather couches with a dry paper towel. Wet a cloth and dab the spilled area until it is stain-free. Dry the area with a clean dry cloth.
Dab up any thick wet spills, such as mustard, with a dry paper towel. Wet a cloth with a small amount of gentle dish soap and dab the stain until it is lifted. Rinse the cloth and dab the stain to remove the soap from the couch. Dry the wet area with a clean, dry cloth.