A fortuitous partnership indeed? Since launching at Sephora on March 2 for the first time in its 41-year history, MAC Cosmetics has both welcomed new customers to its ranks and driven new foot traffic to Sephora stores, market research firm YipitData has found. At launch, the makeup brand entered roughly 100 stand-alone Sephora doors in the U.S. and more than 850 Sephora at Kohl’s locations. It subsequently broke through more via the latter, ranking as the number-five makeup brand at Sephora at Kohl’s during its first month, and the number-19 makeup brand at Sephora. Related Articles These ranks are inclusive of both online and brick-and-mortar sales, according to YipitData’s assessment of receipt, web-scraped and credit and debit card data. Roughly 73 percent of customers who shopped the MAC at Sephora debut were new to the brand, while 33 percent were new to Sephora, indicating a mutual benefit. MAC also drew a more diverse purchaser than is the standard for Sephora’s makeup category.…