Like most businesses, most nail salons won't turn away paying costumers. Which means that people who are sick, have nail infections or foot fungus are being worked on next to you instead of being referred to an appropriate medical professional.
Dr. Spalding says that the greatest danger of the nail salon is "the transmission of infection from one client to another." And with "millions of people whose immune systems are compromised by diabetes, HIV, cancer, hepatitis and other infective organisms" booking services offered in nail salons, many are dangerously susceptible to infection, warns the doctor.