Salt Skin by Ellie Goulding is a song that delves into themes of self-discovery, resilience, and the journey of overcoming emotional turmoil. The lyrics speak to the idea of braving uncertain paths and the transformation that occurs through life's challenges. Key moments in the song include references to the metaphorical 'salt skin,' symbolizing the protective layer formed over time and the waves representing the ups and downs of personal growth. The song's ethereal and introspective nature invites the listener to reflect on their own experiences of endurance and finding strength within.