A. Physicians, surgeons, chiropractors, osteopaths, nurses or physical therapists who are duly licensed to practice their respective professions in the state.

B. Hospitals, nursing homes, sanitariums, or persons holding an unrevoked certificate to practice in the healing arts under the laws of the state of California, or persons working under the direction of any such persons or in any such establishments.

C. Barbers, cosmetologists, and manicurists who are duly licensed under the laws of the state, except that this exemption shall apply solely to the massaging of the neck, face, scalp, hair, hands or feet of the customer or client.

D. Teachers or students enrolled in a school, as defined in the implementing zoning ordinance, and participating in the teaching and/or administration of massage by authorized school employees in conjunction with athletic programs, training in the healing arts or other school courses.