CK IN2U for Him by design house Calvin Klein was introduced in 2007; created by perfumers Bruno Jovanovic, Carlos Benaim, Jean Marc Chaillan, Loc Dong. CK IN2U is classified as an. Aromatic fougere fragrance for men. Calvin Klein CKIN2U for Him is aimed at men of all ages it is an effortless, subtle & sexy aroma for men who want to wear a fragrance that doesnt wear them but always gains compliments. IN2U notes consist of include top notes of Lemon, Tomato Leaf, middle notes of Allspice, Cacao Pod & base notes of Musk, Cedar, Vetiver. This fragrance is perfect for any age, recommended as an everyday casual scent.