Dior’s new Summer Mix beauty campaignThe so-called “Lipstick Effect”–the phenomenon of women buying more beauty products during economic downturns–gets a lot of attention during recessions. It’s a purchasing pattern that can be traced back to the Great Depression; the economy takes a turn for the worse, so women want to buy something pretty to cheer themselves up. It’s been documented a lot, most recently in 2008, like when Lehman Brothers went bust but L’Oreal posted increased sales. The…