Before and after the fit test, mustaches and beards are grown to any amount of length. This cannot be overstated: while on the job that requires a tight-fitting respirator, you must be appropriately clean-shaven at all times. Your employee's beard should be no longer on fit testing day than any other day of the year.

Does OSHA allow beards?

The OSHA standard does allow beards with the use of respirators that do not rely on a tight facepiece seal between the respirator inlet covering and the underlying skin (i.e., both loose fitting helmets and hoods are acceptable in this regard).

Can my employer make me shave my beard?

Can My Boss Make Me Shave My Beard? Your beard may serve many purpose. ... Therefore, when your boss tells you to shave, you may be resistant. From a legal perspective, employers may require male employees to shave as long as it does not infringe on their civil rights or cause undue hardship.