Laurent Mazzone Arsenic Osman Extrait De Parfum 100 Ml Top Notes: These are the initial, lighter notes that you'll detect when you first apply the fragrance. They tend to be fresh and uplifting.Heart Notes: These are the middle notes of the fragrance, which develop as the top notes evaporate. They often form the core of the scent and are more aromatic.Base Notes: The base notes are the deeper, longer-lasting scents that become prominent as the fragrance dries down. They provide the foundation of the perfume and often include rich, warm, and earthy elements.