CK One
CK One is a citrus aromatic chypre fragrance developed by Alberto Morillas and Harry Fremont for Calvin Klein. It was launched in 1994 and became a best-seller, selling about $90 million annually in the mid-1990s. As of 2007, the scent's sales in the United States were still about $30 million annually.
Its top notes include pineapple, mandarin orange, papaya, bergamot, cardamom and lemon. Its middle notes include nutmeg, violet, orris root, jasmine, lily-of-the-valley and rose. Its base notes include sandalwood, amber, musk, cedar and oakmoss.
CK One is considered to be a unisex fragrance, and was the first unisex fragrance to gain wide popularity in the US.