The provisions of this chapter shall not apply to hospitals, nursing homes, sanitariums or persons holding an unrevoked certificate to practice the healing arts under the laws of the state of Illinois, or persons working under the direction of any such person in any such establishment, 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 of registration issued by the state of Illinois. (Ord. 1414 § 1 (part), 1996: prior code § 7-6-18)