Nail salon hygiene standards vary considerably between establishments, and understanding what to check protects against genuine health risks associated with improperly sanitised tools and equipment. Ask directly whether metal tools are sterilised using an autoclave between clients, since this represents the gold standard for eliminating pathogens compared to simple wiping or soaking in disinfectant solution alone. Single-use items, such as nail files and buffers, should ideally be discarded after each client rather than reused, since these porous materials are considerably harder to properly sanitise between uses compared to non-porous metal tools. Foot baths used for pedicures deserve particular scrutiny, since improperly cleaned foot baths have been linked to infection outbreaks in various documented cases, and a reputable salon will demonstrate a clear, visible cleaning protocol for this equipment between every client. Staff should be observed washing hands and changing gloves between clients as a basic hygiene practice, and any salon that appears to skip this step consistently is worth avoiding regardless of other positive qualities. For anyone with a compromised immune system, existing skin conditions, or diabetes specifically, extra caution around nail salon selection and even a direct conversation with technicians about specific precautions is a reasonable and worthwhile step before booking a service.