It is hereby declared that the practice of barbering, by reason of the personal contacts exercised therein, is a business affecting the public health, public welfare, and public safety, that immediate public supervision and control of said occupation in the exercise of the police power of this state and in accordance with the proper standards of said profession, are necessary to the protection and preservation of the public health, public safety, and public welfare, and that this chapter is enacted in the exercise of the police power of this state to protect the public welfare, public health, and public safety.