5. Zero blood doesn’t equate to zero cut.
Dr. Spalding says that breaks in the skin can be microscopic. The instruments that nail techs use like callus and nail cutters, cuticle pushers, and electric burrs can scratch and do scratch the skin and even nick it. There may not be blood visible but these nicks can be a portal of entry by germs and infectious organisms. Have you ever felt your fingers get hot from nail filing? This indicates that the surface of your skin has been broken making you open for acquiring an infection.