These signature Murchison-Hume oil blends are designed for use with our Car Diffuser, but you can use them in your oil diffuser, on dryer balls, or anywhere you want to amp up your home's signature scent. FRAGRANCE DESCRIPTIONS: Coriander (fo*): Perfect for those who don’t like traditional “fragrances.” This bright and clean blend features fresh herbal greens with citrus and floral notes. Engaging and energizing Australian Rosewood Leaf (eo*): A powerful mood booster, this fresh clean fragrance has a subtle rose base lifted by green, botanical middle notes, and sweet citrus finish.