A number of state regulations apply for salons and day spas, including proper ventilation and Plumbing. No animals are allowed on the premises, proper sanitizing cleaners must be used, and fire codes must be adhered to. Yes, all licensed day spas do have sanitation requirements. If you feel that a spa you have visited is not keeping with sanitation requirements, you can contact your state's department of public health/board of Cosmetology, or you can access their website to make a complaint.