The fragrance notes for Issey Miyake A Drop d’Issey Essentielle are:

Top note: Green Leaves
Middle notes: Aquatic Notes, Lilac
Base notes: Magnolia, Musk

It’s described as a fresh, green floral aquatic scent — very dewy, airy, and clean, like a rainy garden or morning mist. People often say it smells soft, fresh, watery, and slightly musky rather than sweet or heavy.