Abstract: A booth, of general circular cross-section, includes a roof part 2, a base part and an intermediate part 6. The base is adapted to stand on the floor. Within the booth is a foldable chair 8. A person may gain access to the booth via a door 10 having a hinged edge 12 and a slide fastener 14. A steam kettle is provided below a false floor of the base part 4. In use, steam and aromatic vapor for essential oils is produced which fills the booth within which a person is seated.