Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Used in perfumery and aromatherapy, absolutes are similar to essential oils. They are concentrated, highly-aromatic, oily mixtures extracted from plants. Whereas essential oils can typically be produced through steam distillation, absolutes require the use of solvent extraction techniques or more traditionally, through enfleurage. This production method leaves trace amounts of solvents in the absolutes. Therefore, absolutes are considered undesirable for aromatherapy. However, absolutes are used extensively in perfumery because the aromatic compounds in absolutes have not undergone processes involving high temperatures. This makes them often smell fresher. Although the solvent traces could produce off-notes in the final product, this is usually not a problem if the absolute is of a decent quality.

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