This document considers aspects related to the nature and the specific production processes of essential oils. It provides guidance for manufacturers of essential oils and applicants on the documentation to be presented to the competent authorities. It applies to essential oils used as active substances in herbal medicinal products both for human and veterinary use and in traditional herbal medicinal products for human use.

Keywords: Herbal medicinal products, traditional herbal medicinal products, herbal substances, herbal preparations, essential oils, quality

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