A booth ( 2 ) for accommodating a person, the booth ( 2 ) defining a booth volume ( 4 ) and comprising: a base portion ( 6 ) and a top portion ( 8 ); flow means for causing air to move in a downward air flow within the booth ( 2 ), the downward airflow defining a predetermined volume within the booth ( 2 ); recirculating means ( 18 ) for recirculating the air within the booth ( 2 ); iltering means ( 20 ) for filtering the air within the booth ( 2 ); and projecting means for projecting a product into at least some of the booth volume and onto a body of a person positioned in the booth ( 2 ).