Any one or any combination of the following practices constitutes the practice of barbering:
     To shave or trim the beard or cut the hair; to style, arrange, dress, curl, wave, straighten, clean, singe, epilate, depilate, shampoo, marcel, chemically restructure, bleach, tint, color or similarly work upon the hair or cranial prosthesis of any person; to give relaxing facial or scalp massage or treatments with oils, creams or other preparations either by hand or by mechanical appliances. Nothing in this Act shall be construed to prohibit the shampooing of hair by persons employed for that purpose and who perform such task under the direct supervision of a licensed barber.