Studio 189, a label founded by actress Rosario Dawson and fashion executive Abrima Erwiah, is reinvesting in its African roots. It’s hard enough to build a fashion brand, let alone an empire. Rare is the person who makes a mission of using fashion to build communities. Such is the case with Studio 189, a label founded by longtime friends Abrima Erwiah (formerly a marketing executive at Bottega Veneta) and Rosario Dawson (an enduring star most recently seen in Netflix’s Marvel franchise). “The idea is to produce everything in local markets,” says Erwiah. “Particularly in Africa, particularly in Ghana.” The founders set up the company in partnership with the United Nations’ Ethical Fashion Initiative, which also works with such socially conscious...