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The art and science of essential oils and hydrosols are intriguing.  The science is revealed through the chemical components of an oil or hydrosol, whereas the art lies in our olfactory senses (smell) which work powerfully on many levels often unique to individuals. Smell, the fifth sense, is linked to memory and affects an emotional response. Both aspects – the science and the art - merge in the production of essential oils and hydrosols starting from the conditions and geography where plants are grown, through the method of production, in our case steam distillation in copper, before coming together with an individual personal response. The whole process transforms plants from complex living organisms into elixirs for health and wellbeing.

Rosemary products produced by Granite Bar Rosemary are Rosemary ct Verbenone essential oil and hydrosol. Our rosemary has the chemical makeup of chemotype (ct) Verbenone. Ron Guba (chemist, aromatherapist, and educator) explains the science of chemotypes as follows:

In aromatic plants, a chemotype refers to a plant of a defined species, where it can produce an essential oil of varying composition (and hence, therapeutic activity).     

A chemotype is specifically a genetic variation, that is often originally determined by the conditions under which it was grown, such as climate, latitude, altitude, and the quality of the soil. Chemotypes can be seen in distinct geographical areas, as is the case with Rosemary, or there can be dramatic differences between plants growing right next to one another, as is the case with various Melaleuca and Eucalyptus species.


Three different chemotypes (CT) of Rosemary are found.


The oil produced at Granite Bar portrays the properties of CT3 Verbenone as shown in the GCMS analysis. Most notably our verbenone content is 6.47% and camphor 1.85%.

My own experience of working with Granite Bar ct Verbenone essential oil is that it is calming and drying on the lungs ( inhalations and rubs when feeling congested), it can alleviate muscular and arthritic pain and mentally I find it grounding instilling clarity and calmness. The hydrosol is particularly good for skin hydrating and re-generating cells, making skin feel smooth and supple. Both the oil and the hydrosol are gentle and mix very well with other essential oils and hydrosols.

Please note: essential oils are concentrated and should not be ingested, please keep away from children and sunlight. 

Read on for more interesting facts relating to rosemary in general provided by Ron Guba

Rosemary has been praised and even venerated since earliest antiquity, and branches of it have been found in Egyptian tombs dating back to the First Dynasty (about 3000 BC). Over time, the therapeutic reputation of Rosemary grew until it became legendary. It was Arab physicians, such as Avicenna, who first managed to extract its essential oil, which was subsequently much valued by the alchemists and physicians of the European Renaissance. From the 17th century, Rosemary was a popular herb and essential oil in European medicine, with praises accorded to it such as: “The spirits of the heart and entire body feel joy from this drink, which dispels all despondency and worry” (Wilhelm Ryff), and useful for “…all cold diseases of the head and brain, as the giddiness or swimmings therein, drowsiness or dullness…, the dumb palsy, or lack of speech, the lethargy and falling-sickness (epilepsy)” (Nicholas Culpeper).

"Rosemary" is derived from the Latin ros (dew) and marinus (sea). "Sea dew" alludes to its preferred habitat on sea coasts. An undemanding plant, Rosmarinus officinalis grows all around the Mediterranean region.

Note: Rosmarinus officinalis has been renamed as part of the Salvia family and is now officilally called Salvia rosmarinus

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