Oregon Cosmetology (Hair Design) Written Examination Practice Questions
103 original questions with cited readings, answer explanations, and feedback for each alternative.
Approved after AI editorial review on 2026-10-30. These are original practice questions, not official Oregon Health Licensing Office (HLO), Board of Cosmetology exam questions.
Official exam outline from Oregon Health Licensing Office (HLO), Board of CosmetologyLoading questions…
Practice coverage
This bank uses the following practice allocation. Check the official exam outline for current ranges and requirements.
- Anatomy and Physiology (Histology of the Hair and Scalp 13%; Anatomy of the Head 3%): 16%
- Microbiology (Bacteriology): 4%
- Hair Services (Treatment of the Hair and Scalp 5; Hair Care Procedures 2; Design Elements 8; Cutting and Styling 14; Chemical Procedures 7; Chemical Texture 9; Hair Coloring 4; Hair Lightening 4): 53%
- Implements, Tools and Equipment (Items): 6%
- Product Knowledge and Chemistry (Products 11; Chemistry 4): 15%
- Safety and Infection Control (Safe Usage and Devices 2; Federal Regulations and Standards 4): 6%