•Eau de Toilette vs Eau de Parfum: Eau de Toilette contains 5-9% perfume oil, while Eau de Parfum contains 8-14%. Eau de Parfum lasts longer and offers a more intense fragrance.
•Natural vs Synthetic Fragrances: Natural ingredients can vary in scent from batch to batch, while synthetic ingredients offer consistency and tend to last longer.
•Notes and Evolving Fragrance: Perfumes are designed with top, middle, and base notes, which change over time. For example, citrus top notes are initially prominent, but as they fade, deeper notes like lavender may become more noticeable.