• Obsession has a feverish intensity and an irresistible appeal. It starts to allure you with the top notes of mandarin orange, vanilla, green notes, peach, basil, bergamot, and lemon. Calvin Klein Obsession is an alluring fragrance with oriental and spicy accords. This Calvin Klein perfume leaves a lasting impression on your senses. A spicy oriental fragrance, Obsession by Calvin Klein bears a unique composition that captivates your senses in just one spray.