After months of prompting, I have finally managed to help my husband form a daily sunscreen habit. Whenever I see traces of paper-white cream in his dark beard, I think, ‘We’re halfway there.’ Hoping to avoid the white cast, heaviness and greasiness common in many sunscreen products available in U.S. drugstores, some Americans, including Rep. Alexandria Ocasio-Cortez of New York, have taken matters into their own hands, opting for sunscreens manufactured abroad. In a recent interview, the congre