Sporting a white dress and a red headscarf, Japan’s version of a Barbie doll has a new look to battle the stigma of alopecia areata, an intractable immune disease that causes patchy hair loss.

Kanye West’s new “wife,” Bianca Censori, kept a low profile while the rapper posed for photos in Tokyo. The couple, who wed during a non-legally binding ceremony in January, were spotted by ...