Causes of some head scratching

This crossword clue is for the definition: Causes of some head scratching.
it’s A 30 letters crossword puzzle definition.
Next time, when searching for online help with your puzzle, try using the search term “Causes of some head scratching crossword” or “Causes of some head scratching crossword clue”. The possible answerss for Causes of some head scratching are listed below.

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Possible Answers: LICE.

Last seen on: LA Times Crossword 23 Jun 2018, Saturday