CK Unisex Perfume was launched in the year 1994. This CK One perfume comes in an attractive 100ml bottle that will easily fit in your purse or handbag. The CK One by Calvin Klein for Unisex is an eternal combination of citrusy, woody, and green notes that makes this fragrance quite addictive. The masterminds behind this perfume are Alberto Morillas and Harry Fremont