(a) No person having charge of a cosmetological establishment or school of cosmetology, whether as an owner or an employee, shall permit any room or part thereof in which any of the branches or practices of cosmetology are conducted, practiced, or taught to be used for sleeping, for residential purposes, or for any other purpose that would tend to make the room unsanitary.
(b) A cosmetological establishment shall have a direct entrance separate and distinct from any entrance in connection with private quarters.