CK One by Calvin Klein is a Citrus Aromatic fragrance for women and men. The top notes are Lemon, Green Notes, Bergamot, Mandarin Orange, Pineapple, Cardamom, and Papaya; the middle notes are Lily-of-the-Valley, Jasmine, Violet, Nutmeg, Rose, Orris Root, and Freesia; the base notes are Green Accord, Musk, Cedar, Sandalwood, Oakmoss, Green Tea and Amber.