Why are Monica's lips shedding?

Sources:

Monica Padman mentioned that her lips seemed to be "shedding" while recording a podcast episode. She expressed uncertainty about why this was happening, but noted that it was not painful. The context of the conversation suggests that there wasn’t a specific cause identified at the time, such as exposure to something hot or an allergic reaction 1.

Lips Falling Off

Monica discusses her lip shedding while Dax tries to comfort her, exploring possible causes and assuring her it's not his fault.

Armchair Expert

Adam Grant Returns Again
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