Mo. Rev. Stat. § 329.034
Current with changes from the 2023 Legislative Session
Notwithstanding any other provision of law, the division of professional registration shall not require any person who engages solely in shampooing under the supervision of a licensed barber or cosmetologist to be licensed as a barber or cosmetologist. For purposes of this section, "shampooing" means the act of washing or cleansing hair with shampoo for compensation.
§ 329.034, RSMo