Fennel, derived from the seeds of the Foeniculum vulgare plant, is a fresh, herbal note in perfumery. Known for its slightly sweet, licorice-like aroma, fennel adds an aromatic, slightly spicy, and green character to fragrances. It is often used in aromatic, herbal, and fresh compositions, bringing both a refreshing and intriguing complexity to perfumes.

Fennel has a sweet, herbal aroma with a licorice-like undertone, along with subtle citrusy and green nuances. Its scent is slightly spicy and aromatic, with hints of anise and a faint earthiness. The overall profile is fresh and uplifting, with a hint of sweetness and a cooling effect. Fennel adds a unique, slightly sweet herbal depth to perfumes, providing a natural, invigorating freshness that enhances the complexity of fragrances.