How can you remove plaster dust from wallpaper?

To remove plaster dust from wallpaper, gently vacuum the surface using a brush attachment to avoid damaging the wallpaper. If needed, lightly dampen a soft cloth with water and gently wipe the area, being careful not to soak the wallpaper. For stubborn dust, a microfiber cloth can effectively lift particles without scratching the surface. Always test any cleaning method on a small, inconspicuous area first to ensure it doesn't damage the wallpaper.