California Cosmetologist License & PSI Theory Exam Preparation Application Exam Information
Scope of practice

Know what the cosmetologist license allows.

Understand hair, skin, nail, lash, brow, hair-removal, prohibited medical services, establishment limits, and consumer protection.

Cosmetology covers multiple beauty services

The license can include hair dressing, chemical hair services, nail care, permitted skin care, lash and brow beautification, and nonpermanent hair removal within California law.

Medical procedures remain outside scope

Do not diagnose disease, prescribe treatment, perform invasive procedures, use lasers or light-wave medical devices, or destroy living tissue.

Product legality and instructions matter

A service being listed in scope does not make every product or technique lawful. Use products permitted for their intended use and follow Board, manufacturer, and federal rules.