The particles in the steam vapour are able to clean deeper into surfaces than traditional cleaning methods, breaking down dirt at a base level. Not only does this give maximum cleaning effectiveness, but also, by virtue of the temperature, sanitises the surface at the same time.
This is because the vapour kills the bacteria deep in the pores of surfaces. In many cases the only agent required is water there is no chemical residue left behind. This makes steam an environmentally friendly cleaning method ideal for facilities that must adhere to strict hygiene regulations.