It has a citrus scent featuring notes of lime, pomelo leaves, citron, and white musk.CK IN2U for Him by Calvin Klein is a aromatic fougere fragrance for men. CK IN2U for Him is a new fragrance and it was introduced in 2007. The noses behind this fragrance are Carlos Benaim, Bruno Jovanovic, Loc Dong and Jean-Marc Chaillan. Top notes are lemon and tomato leaf; middle notes are allspice and cacao pod; base notes are vetiver, cedar and white musk