This diffuser uses ultrasonic technology to keep essential oils at their full integrity as they diffuse into the air. Whether placed on a nightstand or a living room shelf, its sleek design elevates any interior. This diffuser uses ultrasonic technology to keep essential oils at their full integrity as they diffuse into the air. Whether placed on a nightstand or a living room shelf, its sleek design elevates any interior. Vitruvi believes in the power of smell to enhance our mood and overall well-being. They blend herbs and small-batch essential oils into modern aromatherapy treatments meant to create a sense of ritual and ceremony in your daily life. Each scent is as complex as perfume, with top, middle, and bottom notes that help create meaning and memory with every use.