Fragrances were abundant this year. Classic houses like Chanel and Frédéric Malle released new scents, while some major brands entered the space for the first time, notably Bottega Veneta.

The world’s most iconic perfume, Chanel No.5, celebrates its 100th anniversary this year. Like all of Coco Chanel’s memorable creations, No.5 broke with the traditions of the time to establish a new ...