ELF wants more dupes. But the fast-growing beauty company isn’t talking about knock-off lip tints or mascaras. ELF has rolled out a new campaign called “Dupe That,” which it says serves as an invitation for other companies to duplicate its purpose-driven practices. “Our e.l.f. ethos powers purpose, our purpose powers people, our people power performance – and our performance powers possibilities,” said Kory Marchisotto, e.l.f. Beauty’s CMO. “The more we unapologetically lean into our purpo...