Source: Neroli essential oil is extracted from the blossoms of the bitter orange tree (Citrus aurantium). Aroma: It has a sweet, floral, citrusy fragrance with a hint of spicy and green notes. Color and Consistency: Typically light yellow with a thin consistency. History: Named after the 17th-century Italian princess of Nerola, who used it as a perfume, it has been valued in perfumery and skincare for centuries.