Overview of Sanitise Reminder Safety Sign The purpose of a sanitise reminder safety sign is to remind people to clean or sanitise a particular area—like workstations—both before and after use. These indicators aid in maintaining a clean environment at work and stopping the spread of germs. The Need for Hygiene Signs in the Office Signage pertaining to infection control and hygiene acts as a visual cue to employees and guests about the need of upholding hygienic standards and sanitization procedures. It is the responsibility of employers to protect workers' health and safety at work.