Bacteria especially love moist environments and like to multiply where we don't expect them to. However how to clean? First the floor, then the shelves, or the other way around? Our hygiene concept will not only save you time, but will keep your home 99 % bacteria-free from top to bottom. And here's the first secret of the concept: "top to bottom" is in itself the perfect cleaning system: Start with ceilings. Then tackle work surfaces, tables and drawers. Vertical cleaning.