As a guess, Bella Essence might open with a burst of fresh and inviting top notes, potentially featuring elements like fruity accords, citrusy notes, or florals that create a lively and vibrant introduction to the perfume.

As the fragrance evolves, it could unveil a heart of delicate and enchanting floral notes, such as jasmine, rose, or lily, adding a touch of femininity and grace to the composition. These floral nuances often contribute to the fragrance's elegance and refined character.

In the base, Bella Essence might be enriched with warm and comforting accords like vanilla, musk, or possibly woody notes, providing depth and a subtle sensuality to the scent. These base notes usually help create a lasting impression, leaving a trail of sophistication and allure.

Overall, Oscar de la Renta's Bella Essence is likely a fragrance designed to embody timeless elegance and sophistication. Its potential blend of fresh top notes, elegant florals, and warm base notes could create a harmonious and refined scent that's perfect for various occasions, adding a touch of grace and sophistication to any moment