When doing Aromatherapy do you own to know how to smell the scent?

When doing Aromatherapy do you own to know how to smell the scent?
Aromatherapy works even with deeply diminished sense of smell as the actual work is done by the olfactory lobe and it is not the aroma which triggers the human body's defense mechanisms; fairly the pheromones emanating from the remedy.
as least possible a tiny bit to make it work
Sure! The aroma stimulates your sense of smell and your brain responds near pleasure.