Vetiver comes from the roots of a tropical grass, and its essential oil is prized for a complex profile that can smell earthy, smoky, woody, nutty, grassy, dry and even slightly boozy. But beyond its smell, vetiver can also act like a vertical backbone in a perfume: linking bright top notes to deeper woody bases, drying out sweetness, and adding a grown-up, woody structure. https://www.youtube.com/watch?v=grjung53fpg