Boucheron Quatre En Bleu (W) Edp 50ml (UAE Delivery Only) Top Notes: Eau de Parfums often have vibrant top notes that are the first scents you detect upon application. For a blue-themed fragrance, you might expect citrusy, fruity, or aquatic notes to provide a refreshing opening.Middle (Heart) Notes: These are the core of the fragrance and tend to emerge after the top notes settle. In a blue fragrance, you might find floral or aquatic notes that maintain a fresh and clean character.Base Notes: These are the deep, long-lasting notes that appear as the fragrance dries down. A blue-themed ED