Notes in a perfume refer to the layered ingredients that evaporate at different rates, creating a fragrance that evolves over time. Top notes appear immediately and fade within minutes, heart notes emerge as the scent settles and last several hours, while base notes anchor the composition and linger for the remainder of the wear. This three-tier structure determines how a perfume smells from first spray to final fade. The concept of fragrance notes shapes every aspect of how we experience and describe scent. Whether you encounter a botanical oil-based perfume in a Manhattan boutique or purchase a commercial eau de parfum, the notes within that formula dictate its character, longevity, and the story it tells on your skin. Understanding this framework transforms how you select, wear, and app