French narcissus gives fragrance a green floral core with a dry, slightly hay-like character and a distinctive bitter edge. More textured than a simple white floral, it can read as leafy, waxy or softly indolic depending on the surrounding materials. In men's fragrances, it usually works as a heart note, shaping the transition from the opening to the base rather than dominating from the first spray.
Paired with citrus or aromatic herbs, narcissus feels brighter and more lifted; with vetiver, oakmoss, leather or woods, its earthy and pollen-rich facets become more pronounced. Look here if you want a floral note with structure and natural complexity, especially in compositions that balance green freshness against dry, woody or gently powdery depth.