This chapter shall not apply to hospitals, nursing homes, sanatoriums, or persons holding an unrevoked certificate to practice the healing arts under the laws of the state or persons working under the direction of any such persons or in any such establishments; nor shall this chapter apply to barbers or cosmetologists lawfully carrying out their particular profession or business and holding a valid, unrevoked license or certificate or registration issued by the state. (Ord. M-19-13, 10-7-2013)