From oud to orris, these are 10 of the most-used—and best-smelling—fragrance notes in the world, where they come from, and which of our favorite fragrances they're used in.

“When searching for your signature scent, start by learning how fragrances are layered. “Top notes are what you smell ...

with fresh and mineral notes – all £10 each. Since its launch, the scent has been a symbol of sustainability within the fragrance industry, too. It was one of the first to pioneer synthetic ...