Look a little angry? Accused of having a “resting bitch face”? Now, there’s a drug for that: Botox. The early joke about Botox was that it froze faces. But increasingly, people are seeking a different effect: actually altering their expressions, and maybe even their emotions. We trace the story from the discovery that the deadliest toxin on earth could make a face look less “troubled,” to a feminist professor’s Botox investigation that turns personal.