CK One by Calvin Klein is a Citrus Aromatic fragrance for women and men. CK One was launched in 1994. CK One was created by Alberto Morillas and Harry Fremont. Top notes are Lemon, Green Notes, Bergamot, Pineapple, Mandarin Orange, Cardamom and Papaya; middle notes are Lily-of-the-Valley, Jasmine, Violet, Nutmeg, Rose, Orris Root and Freesia; base notes are Green Accord, Musk, Cedar, Sandalwood, Oakmoss, Amber and Green Tea.