Board Thread:Questions and Answers/@comment-69.14.205.227-20131109224932/@comment-68.102.195.247-20150617064714

Dwight never sprays her in the face with insecticide. Further on in the episode, during the birthday party, her face is still dis-colored. Which might mean it took a few weeks to film this episode. It has to be from a real life situtation. It looks seriously painful.