Ck 2 by Calvin Klein Cologne. Ck 2 is a men’s and women’s shared woody aromatic fragrance that was released in 2016. The head notes start off with pear, mandarin orange, violet leaf, and wasabi. Heart notes of pebbles, orris root, rose, peony, and hedione follow, with sandalwood, incense, musk, and vetiver base notes finishing this work. Perfumer Pascal Gaurin of International Flavors and Fragrances created this scent, which works best for spring and summer day wear.