Slip into sweet dreams with the Sleep Air Scent Refill by Vitruvi. This soothing scent is designed to lull you to sleep with the relaxing aromas of lavender, chamomile, and frankincense. Use with the Vitruvi Air Waterless Diffuser. Vitruvi products are made without synthetic fragrances, formaldehyde, mineral oil, phthalates, parabens, and sulfates.