A pot or a bowl of hot water and an addition of camomile flowers - plus a towel - you don't need more than this for steam inhalation . The active ingredients, depending on the nature of the additive, are dissolved in water and rise in the form of steam. Subsequently, they are inhaled by nose and mouth and lie down on the mucous membranes of the upper respiratory tract. Above all, on the nasal mucosa, in the throat and the supplements can act.