This year marks the 70th anniversary of Frida Kahlo’s death. The defiant, boundary-breaking artist inspired generations of creatives and propelled Mexican art into the spotlight. But sometimes it seems like her greatest legacy is the merchantability of her face – and those eyebrows. Stylised and simplified, Kahlo’s likeness can now be found on t-shirts, tote bags, eye masks, phone cases, oven mitts and plant pots. So what is it that has made her appearance so marketable? What is Fridamania?It is not uncommon to find an artist’s self-portrait printed onto an item of clothing, bag or accessory. …