A unique citrus-laced scent that is both refreshing and provocative, CK one by Calvin Klein is a versatile unisex perfume that possesses a distinct and carefully chosen series of notes and scents, such as Mandarin oranges, papaya and pineapple, for a robust, soothing sensation. CK One features undertones of fresh green notes and hints of bergamot, which helps to give it a timeless and highly desirable aromatic appeal.