The changes loosen the previous strict limits on facial hair (no beards for most employees, and mustaches limited to above the crease of the lip), how long men could wear their hair (nothing longer than collar length) and hairstyles (no Afros or braids). While styles still must be business-appropriate and not pose a safety concern, those specific limits have been eliminated.

Wednesday's announcement also includes the lifting of gender-specific regulations, including rules like the length of the uniform's shorts. The new rules, first reported by the Wall Street Journal, were posted on an internal company web site for employees.

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