With it come proteins and bacteria that will contaminate the cleanroom. You will be required to wear a hood or hairnet of some kind to prevent any hair from falling in the cleanroom (this includes facial hair).
[header] How to put on a cleanroom suit [title] Cover your hair. [step] One of the easiest ways to noticeably contaminate an area is by shedding hair. Hair falls from your head to the floor or work surface.