This pioneering guide explains how aromatherapy can be a powerful ally for those struggling with trauma or loss. Tailored for professionals looking to support their clients, it recentres the role olfaction plays in our lives, and explores the nuanced ways in which aroma can interact with our limbic system and promote psychological healing. This important resource takes a trauma-informed and scientific approach to aromatherapy as a healing modality, educating professionals on how to engage with traumatised clients, and how to look after themselves in the process. It includes detailed case studies from established aromatherapists around the globe which explore the various contexts in which aromatherapy can be used to promote healing, including end of life care, addiction, abuse, and traumatic events such as the Grenfell fire. Supplemented with essential oil profiles, including comprehensive safety precautions and dilution rates, this book provides an invaluable blend of scientific insight and practical wisdom for professionals looking to engage in aroma as a healing modality.