Join Integrative Nurse Coach Mary Johnstone, RN, BSN, HNB-BC, INC-BC from Baptist Health in learning more about Aromatherapy: Scents & Sensibility We all know about the power of smell. Sometimes we’ll catch a whiff of something so familiar, we are immediately transported back to childhood. Aromatherapy is the holistic and therapeutic application of genuine essential oils used for enhancing the physical, emotional, mental and spiritual health of the individual.