Elegant and enigmatic, Bellechasse Eau de Parfum by Yves Saint Laurent captures the quiet luxury of Parisian charm. Inspired by the refined spirit of its namesake residence, it weaves soft florals with warm woods for a sophisticated, timeless scent. About The Fragrance: To evoke the luxury of the headquarters of the house of Saint Laurent, the spicy freshness and woody depth of elemi resin make up an intense, mysterious scent. Enter the sacred ambiance of 37 Rue de Bellechasse.