As a country rich in plant species, Indonesia is a natural place for essential oil industry to develop. There are around 40 kinds of oil produced by Indonesia, among them 12 are commercially developed at an industrial scale. They are: patchouli (nilam), vetiver (akarwangi), cananga (kenanga), cajuput (kayu putih), lemon grass (sereh dapur), clove (cengkeh), sandalwood (cendana), nutmeg (pala), …