Ck One by Calvin Klein is a citrus aromatic fragrance for women and men. The top notes are lemon, green notes, bergamot, pineapple, mandarin orange, 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, amber, and green tea. Ck one was launched in 1994. Ck one was created by Alberto Morillas and Harry Fremont.