CK IN2U Perfume is described as a youthful and exuberant fragrance that will fit those spontaneous and charismatic women who seem not to have a care in the world. Introduced in 2007 by Calvin Klein, it is a relaxing blend of grapefruit, red currant leaves, orchid sugar and a woody base. CK IN2U is a sexy scent that can be worn on any occasion, for it is fresh and uncomplicated.