Barbering and cosmetology do not include:
(1) threading, which involves removing unwanted hair from a person by using a piece of thread that is looped around the hair and pulled to remove the hair and includes the incidental trimming of eyebrow hair; or
(2) servicing a person's wig, toupee, or artificial hairpiece on a person's head or on a block after the initial retail sale in any manner described by Section 1603.0011(a)(1).