The practice or teaching of barbering and the operation of barber schools and barbershops are declared to be activities affecting the public interest and involving the health, safety, and welfare of the public. Such activities when engaged in by a person who is not licensed are declared to be a public nuisance, harmful to the public health, safety, and welfare. The board or the appropriate prosecuting attorney may bring an action, in the superior court of the county where such unlicensed person resides, to restrain and enjoin such unlicensed practice. It shall not be necessary in order to obtain the equitable relief provided for in this Code section to allege or prove that there is no adequate remedy at law.