The Cosmetology exam typically covers a broad range of topics relevant to beauty care, including scientific concepts, hair care and services, nail care and services, and skin care and services. While specific syllabi can vary depending on the educational institution or certification body, here's a general breakdown of the areas you might expect to be tested on based on a typical state board exam:

1. Scientific Concepts (30%): This section might include topics related to microbiology, infection control, human anatomy, basic physiology, and chemistry. It covers essential knowledge on maintaining safety and hygiene in the salon environment.

2. Hair Care and Services (40%): As a significant component of cosmetology, this area includes understanding hair structure, growth, and scalp health, along with various hair treatment and styling techniques.

3. Nail Care and Services (15%): This part tests knowledge on nail structure, common conditions, and various nail care procedures, emphasizing both health and aesthetics.

4. Skin Care and Services (15%): Examines the candidate's understanding of skin biology, common conditions, and various skincare treatments, including facial procedures and temporary hair removal.