Spearmint has a sweeter, slightly milder fragrance than peppermint. Spearmint’s fragrant properties can be quite refreshing, and is often used as a "pick me up" oil.
Sandalwood is derived from a class of trees in the genus Santalum. Sandalwood essential oil is pressed from the wood and roots of the East Indian sandalwood tree
Eucalyptus: Eucalyptus derives from the eucalyptus plant that is native to the country of Australia. The oil is created by pressing the leaves of the plant which release the fragrant oil.
Almond trees are native to the Middle East and Asia. Almond oil is derived from fruit of the almond tree. It may surprise some that there are actually two types of almond oil: Sweet Almond Oil Bitter Almond Oil (toxic if ingested).