This groundbreaking guide explains how aromatherapy can be a powerful ally for those facing trauma or loss. Specifically designed for professionals who wish to support their clients, it redefines the role of smell in our lives and explores the subtle ways in which scent can interact with our limbic system and promote psychological healing. This essential resource adopts a trauma-informed and scientific approach to aromatherapy as a therapeutic method, educating professionals on how to interact with traumatized clients and how to care for themselves in the process. It includes detailed case studies from established aromatherapists around the world that explore the various cases in which aromatherapy can be used to promote healing, including end-of-life care, addiction, abuse, and traumatic events such as the Grenfell fire. Complemented with profiles of essential oils, including detailed precautionary measures and dilution rates, this book provides an invaluable mix of scientific information and practical wisdom for professionals looking to engage with the use of scent as a therapeutic method.