Cosmetology State Board exam topics — the 7 content areas by weight
The Cosmetology State Board exam is built from 7 weighted content areas. Focus your time where the weight is. Each area below links to a free study chapter and practice questions. These weights are how PrepPass has organized the material, not a figure published by the exam authority.
Anatomy & Sciences
22%Chemistry & Products
12%Electricity & Equipment
8%Infection Control & Safety
25%Ethics & California Law
15%Hair Services
13%Skin & Nail Services
5%Ready to test yourself?
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Content-area weights are PrepPass’s own organization of the material. Where Cosmetology State Board publishes an official outline, check it directly. Confirm current details with California Board of Barbering and Cosmetology. Study aid, not a substitute for the official material. Last updated: August 2026.