Christina Aguilera Unforgettable (W) Edp 75Ml Top Notes: These are the initial, lighter notes that you smell when you first apply the perfume. They provide the first impression. Common top notes in women's perfumes can include citrus, fruit, or floral notes.Heart Notes: Also known as middle or floral notes, these emerge after the top notes have evaporated. They are typically softer and more balanced and can include floral, spice, or herbal elements.Base Notes: These are the deeper and longer-lasting notes that become prominent as the perfume dries down. Base notes often include woods, vanilla, musk, or other rich and grounding scents.