Hygiene, and food safety in particular, continue to be the primary fears of travelers second only to… terrorism and crime. The brand image of certain groups has improved over time, making it possible to gradually create privileged relations with a clientele that associates the quality of their services with their choice when it comes to reserving a room. This chain has many equally important links, where everyone from the housekeeper to the hotel manager, including kitchen personnel must meet the demands of customers who zap from one hotel to the next and face the changing legislation that is increasingly demanding. In this era another problem has joined this one: the priority to shift towards products that respect the environment.