20% Off Sitewide!
★ Free Postage On Orders Over £20 ★

Steam Distillation: A Deep Dive


Steam distillation is one of the most ancient and revered methods of essential oil extraction, captivating the very soul of the plant. This centuries-old technique transforms plant raw materials into precious essential oils that find their way into various industries, from aromatherapy to perfumery and beyond.

Steam Distillation

The origins of Steam Distillation

At the core of steam distillation lies the quest for extracting the essence—a highly concentrated form of a plant’s aromatic and therapeutic properties. The roots of steam distillation can be traced back to ancient civilizations, where ingenious minds sought to harness the aromatic secrets hidden within plants. It is believed that the earliest traces of using this technique can be found in ancient Mesopotamia, where aromatic plants were distilled for medical and spiritual purposes.

As knowledge flowed through trade routes and manuscripts, the art of distillation inevitably reached mediaeval Europe. Alchemists, often in pursuit of the elusive Philosopher’s Stone, started experimenting with distillation techniques. The Alembic, a classic distillation apparatus, became synonymous with alchemical pursuits and used the same principle as the modern distillation apparatus: to separate and purify substances.


Emergence in Perfumery

The Renaissance marked a resurgence of interest in the sciences, and the art of distillation found new prominence. In the 17th century, the pioneering work of physicians like Paracelsus and the publication of “The Art of Distillation” by John French further fueled the application of distillation in medicine. Simultaneously, distillation became an integral part of the quickly growing perfume industry in Grasse, France, as perfumers sought to capture the fragrant essence of flowers.

Scientific Advancements

SteamDistillation2 1

The 18th and 19th centuries witnessed significant advancements in the understanding of steam distillation. The industrial revolution brought about significant improvements in distillation apparatus, making the process more efficient and accessible. So in the 20th century, steam distillation evolved from artisanal practices to industrial-scale production. Essential oils obtained through this method became widely used in perfumery, aromatherapy, and alternative medicine. The technique continued to be refined, incorporating technological innovations while preserving its ancient principles.

Contemporary Resurgence

In the 21st century, there has been renewed interest in traditional and natural methods, leading to a resurgence of steam distillation. As consumers seek sustainable and holistic approaches, artisanal distilleries and small-scale producers embrace the craft to produce high-quality essential oils and aromatic extracts.


The apparatus

Key to obtaining the highest quality essential oil is the distillation apparatus, a sophisticated assembly designed to harness the power of steam. Consisting of a still, where the plant material is housed, a condenser, which converts steam back into liquid, and a separator, where the essential oil is collected. This ensures the purity and integrity of the final product.

The choreography of steam botanicals.

The process begins with the introduction of steam to the still, where the plant material resides. As the steam envelops the botanicals, it ruptures the specialised oil glands, releasing their aromatic essence. The steam, now laden with essential molecules, travels through the condenser, where it cools and condenses back into liquid form. This condensed liquid, a mixture of water and essential oil, then travels to the separator.


The art of separation

The separator becomes the final stage to separate the essential oil from water. Since essential oils are typically lighter than water, they naturally rise to the surface, creating a distinct layer. This layer, now brimming with the concentrated essence of the plant, is carefully siphoned off, leaving behind water devoid of the aromatic compounds. The result is a pure and potent essential oil, ready to be packaged and embark on its diverse applications.


Steam distillation, as a method of extracting essential oils, is a timeless alchemy that bridges ancient wisdom with modern knowledge. The aromatic symphony created through this process encapsulates the essence of the plant, unlocking a myriad of applications and benefits. In every drop of essential oil derived through this intricate process, there is a story—a tale of nature’s gifts, human ingenuity, and the delicate interplay between science and art.

Leave a Comment

Your email address will not be published. Required fields are marked *

Shopping Basket