Meredith shaved her head in the “Lice” episode of The Office Season 9. ... Really, shaving her head was one of the only “stunts” Flannery didn't do for the show. That was really her planking in the men's bathroom! Instead of shaving her head, Flannery worked with Kim Ferry to achieve a bald look.

Does Meredith from the Office wear a wig?

Kate Flannery stars in the best running gag this season, and it's time to honor it. Ever since The Office episode, Lice, where Meredith shaved her head, she's worn a different wig every subsequent episode.

Did they use real Mayo in the office?

It was a great challenge and I am really proud of the work we all did on that episode. We also had a whole cast in “mayo-hair” looks for that episode and I was designing the sculpted looks they would all have to wear! No, we did not use real mayo as it would have really smelled bad under hot lights on set.