There are 3 types of liquid wallpaper: cellulose, silk and, of course, silk-cellulose. Often they will be diversified, thanks to such additives as mother -in -law, mineral crumbs, sparkles, flakes of mica. They do not contain sand, unlike classical plaster and are pleasant when touching. In addition, they do not attract dust, are not toxic. And the fire is not terrible with liquid wallpaper.