Black Xs by Paco Rabanne Perfume. Excite your senses with the Black Xs women's fragrance from Paco Rabanne. Introduced in 2007, it is a floral and fruity experience that is as sweet as it is refreshing. The unique blend of patchouli, Massoia wood, vanilla, pink peppercorns and tamarind blossom notes create an attractive aroma perfect for special occasions and especially well suited for winter months.