About cK one This popular fragrance from Calvin Klein kicked off the whole unisex buzz when it was released in 1994. Of course there were unisex fragrances before cK One (4711 by Muelhens for example) but it was Calvin Klein that made it sexy. cK one fragrance notes Top Notes Bergamot, Lemon, Mandarin, Fresh pineapple, Papaya, Cardamom, Green tree accord Heart Notes Hedione high cis (derived from jasmine), Violet, Rose, Lily of the valley, Freesia, Orris, Nutmeg, Green tree accord Base notes Green tea, Oakmoss, Cedarwood, Sandalwood, Nutmeg, Musk, Amber, Green tree accord