A HOCATT session combines heat with steam and, depending on the equipment and selected settings, may include ozone or a water based foot component. People often consider it after a hard workout, a long day at a desk, or a night of poor quality sleep.
The realistic purpose is narrower than some promotional language suggests.
Heat may encourage sweating, loosen the feeling of tight muscles, and create a quiet period for relaxation. It does not diagnose the reason for fatigue or pain, and it should not replace medical care for a persistent or unexplained symptom.