Sandalwood is the fragrant wood of trees in the genus Santalum. Species of this tree are found in Nepal, southern India, Sri Lanka, Hawaii, South Pacific islands and Australia. It is used as fragrance in perfume and incense, and for woodworking. Some temples have been built with sandalwood in India and these retain the aroma for centuries. Jewelry boxes, fans, and ornate carvings continue to be made in many parts of Asia, especially India, using sandalwood.

Medicine Sandalwood essential oil was popular in medicine up to 1920-1930, mostly as urogenital (internal) and skin (external) antiseptic. Its main component santalol (~90%) has antimicrobial property. It is used in aromatherapy and sandalwood oil is also used to prepare soaps.