CK One by Calvin Klein is a citrus aromatic fragrance for women and men that was launched in 1994. It was created by Alberto Morillas and Harry Fremont. CK One is revolutionary, rejecting traditional gender stereotypes and harmonizing feminine floral and masculine musk into one unisex scent, appealing to men and women alike. 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.