Which practice is prohibited for barbers in Nebraska?

Performing services without proper supervision is prohibited for barbers in Nebraska because it is essential to ensure that all services provided to clients are done safely and effectively. Supervision is especially crucial for new or less experienced barbers, as it helps maintain high standards of care and adheres to state regulations regarding health and safety. This requirement not only protects the clients but also reinforces the professional development of barbers, ensuring that they are practicing their craft responsibly.

In contrast, the other practices listed are not inherently prohibited, as sanitation measures are critical for maintaining hygiene, providing hair treatments is a regular service offered by barbers, and offering personal grooming advice falls within the scope of what barbers can do to assist their clients. These practices contribute positively to the barbering profession and client satisfaction when conducted within the guidelines established by state regulations.