First off, let's start this entry by telling you how important salons are in the United States. There are over 900,000 of these businesses as of 2008 and is expected to grow by 31% in 2018. Sure, running one may look kind of easy, however, there are several laws and requirements imposed by states as way to regulate these businesses and make sure that the services they offer are of good quality, safe and sanitary. These laws however, vary in each state, so it is important to know them even before thinking of setting up a salon.