One of the most expensive oils, from a flower known for its rich, sensual aroma. Its cost is due in part to a painstaking processing called enfleurage, an oil extraction method whereby the flowers are pressed into fat, then the oil is separated with alcohol. Tuberose is a perennial plant native to Mexico. The sweet, honey-like aroma adds fullness to many floral fragrances and blends well with gardenia, jonquil and hyacinth.

The tuberose (Polianthes tuberosa) is a perennial plant of the agave family Agavaceae, extracts of which used as a top note in perfumery. The common name derives from the Latin tuberosa, meaning swollen or tuberous in reference to its root system. It consists of about 12 species.