Ulta Beauty is one of the hottest retailers in the U.S. prestige market. Its unique merchandising structure of mass, class and salon makes Ulta Beauty what The NPD Group’s Karen Grant calls “the trifecta of beauty.” She observes, “They have pillars to build upon and levers they can press.” With first-quarter growth of comparable-store sales at 9.7 percent, Ulta is just getting warm as it celebrates its 25th birthday.