Tisserand aroma spa diffuser is a high-quality diffuser with 2 mist modes and soft coloured lights. Create a delicate and fragrant atmosphere to suit your every mood with our aroma spa diffuser. This modern aromatherapy diffuser combines an elegant lightweight design with all the benefits of ultrasonic aroma technology for an incredibly fine vapour and silent mist that envelops a room. Aroma spa diffuser combines the benefits of aromatherapy with chronotherapy through gentle variations of soft coloured light. Choose from the intermittent mist (30 seconds on, 30 seconds off) or continuous mist. Automatically shuts down when the diffuser runs out of water. Aromatherapy Equipment.