In English

 “Modern Cosmetics. Ingredients of natural origin. A scientific view. VOLUME 1”. Editors: Dr. Damjan Janeš and Dr. Nina Kočevar Glavač: It is a raw material dictionary which presents detailed descriptions of cosmetic ingredients of natural origin and natural cosmetics.

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Robert B. Tisserand, Rodney Young “Essential Oil Safety: A Guide for Health Care Professionals”: a real bible for those who would like to work with essential oils.

In German

Heike Käser “Naturkosmetik selbst gemacht”: This book has a lot of basic information and recipes suitable for beginners.

Heike Käser “Naturkosmetische Rohstoffe: Wirkung, Verarbeitung, kosmetischer Einsatz”: the book represents a solid foundation for a natural cosmetic-oriented manufacturing practice. It is a raw material dictionary, reference book and workbook in one. The book presents modern raw materials: vegetable oils and butter, waxes, sterols, lecithins, herbs, emulsifiers, surfactants, thickening agents, hydrators, vitamins, gelling agents, preservatives, clays and sunscreen pigments.

Heike Käser “Naturkosmetik selber machen: Das Handbuch”: This book offers comprehensible basics visualized with supportive graphics and valuable practical tips as well as a lot of recipes.