OLFACTIVE KIT EXTENSION BOX : COLOGNE NOTESThis box of six pure essential oils invites you to explore the vibrant freshness of cologne notes. These materials evoke sparkling citrus peels, aromatic herbs warmed by the sun, and the airy elegance of classic cologne compositions. Often used to create bright, refreshing, and uplifting accords in your personalized blends. Cologne notes are generally used to open and energize a fragrance, serving primarily as top and heart notes. White Grapefruit