Costume National 21 Perfume by Costume National, Launched in 2007 by the design house of costume national, 21 is a delightfully intriguing and uniquely intense scent that can be worn by men and women. The creative allure and mystical enchantment of 21 makes it ideal for the energetic and dynamic personality with just a hint of mystery and quiet charm. Interesting and alluring top notes include amber, orange blossom, cashmere wood, saffron and milk.