Essential oils are natural substances extracted from plants through steam distillation. The oils are found to have positive effects on mind and body and therefore have a practical use in alternative therapies (e.g. for curation of diseases and mood disorders), for production of medicaments (e.g. salves) and for relaxation in modern spa facilities (e.g. essential oils in whirlpools and steam baths). They are commonly used for aromatherapy.
Read more about this topic: Which effects have essential oils for mind, body and skin?