Slava Zaitsev Haute Couture Parfum De Soie Women Edp 100Ml Top Notes: These are the initial scents that you smell upon application. They are usually light and volatile.Heart Notes: The middle or heart notes emerge after the top notes fade away. They form the core of the fragrance and contribute to its overall character.Base Notes: These are the long-lasting notes that become more prominent as the fragrance dries down. They provide depth and stability to the overall scent.