Abstract: An improved steam cabinet includes a housing having an interior configured to receive the person with a seat contained in the interior. The housing has a door through which the person can enter and exit the interior, the door having a head aperture dimensioned to permit the person's head to project outside of the interior while the user is seated inside the interior. A steam generator is contained in the housing and coupled to the interior. The steam generator includes a vessel having a vessel housing and a vessel interior, the vessel interior being divided into an infusion chamber and a heating chamber by a baffle. A heating element is contained in the heating chamber. The vessel has an opening communicating with the infusion chamber through which a packet containing the herbal therapeutic agent may be inserted into the infusion chamber. The steam generator includes a closure for closing off the opening and water supply conduits for supplying water to the steam generator.