Add this Calm fragrance refill to your M&S Apothecary diffuser to elevate your evening with restful qualities. Its 230ml size means you'll have enough for at least two refills. The scent contains a harmonious blend of lavender, cedarwood and sweet orange oils, which are considered to help soothe your mind, body and soul. This fragrance is part of the Herbal family of fragrances. Herbal scents are often considered to have soothing and relaxing qualities and may contain notes such as lavender, cedar wood, vetiver or eucalyptus.