What is pink Himalayan (rose) salt?

Pink Himalayan salt sells for ten times the price of ordinary table salt, wrapped in an aura of wellness and luxury. But what are you really buying? Is it a superior mineral source, or are you paying for little more than a pretty color and clever marketing? We investigate the surprising truth behind the pink. / The Soapbox (14:44). On the show: Steve, Fei Fei & Yushun.