External use of cosmetics and medicinal substances depends on assimilation of their properties from the skin to the general circulation, a process called ‘Rasa Agni’ in Ayurveda.

Petroleum products are disturbing to the Tri-Dosha and are therefore not considered medicinal or food grade.

Sustainability guides us to the use of annual plant oils over the consumption of deep-seated carbon stores.

Unrefined status is generally considered more assimilable than if the substance is affected by a refining processes.

Fresh status is generally preferred over preserved status, though each oil is unique in properties, actions and timelines.