It is a holistic therapy that provides a feeling of well-being, both physical and psychological, with the use of essential oils. It shows that there are links between smell and feelings. When inhaling aromas, the olfactory channels send the message directly to the limbic system, the part of the nervous system that is responsible for emotions. After that, the brain reacts to the aromatic properties, changing someone's mood or mood. Therefore, it is possible for a sad or discouraged person to be a little happier or for someone who is aggressive to feel calm and relaxed when they smell specific oils for this mental state.