When I got home, I studied the Tolak Angin box more carefully. It’s produced by Sido Muncul, one of the largest jamu firms in Indonesia. Its ingredients are: rice, fennel, Indian screw tree (the other ...

By producing its signature Tolak Angin (“expel the wind”) herbal medicine in small, cheap-to-distribute sachets, Irwan Hidayat’s family took a cottage industry dominated by itinerant hawkers ...