Ph. Eur. Essential Oils: Revised Monograph and New General Chapter

Recommendation
12/13 November 2025
How to implement EU-GMP Chapter 8
The European Pharmacopoeia (Ph. Eur.) Commission adopted the revised general monograph on Essential oils together with the new chapter on Monographs on essential oils (information chapter 5.30).
Contaminants in Essential Oils
The Ph. Eur. Essential oils general monograph has been completely revised to expand the definition, production, test and labelling sections, providing additional detail and clarification. The text now offers, amongst others, more information concerning the quality of water to be used for the preparation of essential oils and includes requirements and limits for
- Heavy metals (2.4.27),
- Pesticide residues (2.8.13),
- Aflatoxin B1 (2.8.18), and
- Microbiological quality (5.1.4 or 5.1.8).
Skip Testing
The new chapter, Monographs on essential oils (information chapter 5.30), provides principles for the elaboration of monographs on essential oils, with details of production methods, chromatographic profiles and potential contaminants. The chapter also describes the conditions under which skip testing can be justified.
Both Ph. Eur. texts (Essential oils and 5.30 Monographs on essential oils) will be published in Supplement 10.7 of the Ph. Eur. (Implementation Date: 1 April 2022).
For more information please red the post in the Ph. Eur. Newsroom: Essential oils: revised monograph and new general chapter in the Ph. Eur.
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