Cypress oil as a deodorant and a problem with citing books as references
With thanks to Tamara Agnew PhD, Petra Ratajc PhD and Marco Valussi BSc for their input While answering an exam question about deodorant formulation, a student in my Essential Oils for Healthy Skin class listed four books as references. The exam question was about...
Supply and demand challenges for essential oils in the coronavirus era
by Robert Tisserand A field of roses in Syria, image courtesy of BioCham The supply-demand dynamic for essential oils has always been a delicate thing. Prices fluctuate, but generally trend upward. In the past 50 years, the price of Indian Sandalwood oil has...
Covid-19 and unfounded claims
by Robert Tisserand I have always believed that it is important for aromatherapy to move out of the realm of “quack medicine” and to be established as a viable modality. It is really not helpful to this process when claims are made for essential oils that have no...
Functional Group Theory – Does it Work?
By Robert Tisserand Note: below is a link to a full article, along with an Executive Summary in six languages. Nature is complex. A single essential oil can contain dozens of constituents, each one of which, alone, has certain properties. How do we make sense of such...