About the cosmetology state board exam
Every U.S. state requires a license to work as a cosmetologist. After completing a state-approved program (training hours vary widely by state), candidates typically must pass a written theory exam and, in many states, a practical exam. Most states use the National-Interstate Council of State Boards of Cosmetology (NIC) examinations as their licensing standard, though some use state-specific exams and a few have dropped the practical.
The NIC written theory exam is built around four areas: Scientific Concepts (infection control and safety, anatomy and physiology, and basic chemistry) plus the service areas of hair, skin, and nails. A passing score around 75% is common. These practice tests cover the core, widely shared theory; requirements, hours, fees, and exam specifics vary by state, so always confirm with your state board and the official NIC candidate information bulletin.