Guide 2026 PDF | Haircutting, Hairstyling, Chemical
Treatments, Hair Coloring, Sanitation, Infection Control,
Skin and Nail Care, Safety Regulations, and Professional
Cosmetology Laws | Comprehensive Texas State Board
Exam Preparation to Strengthen Technical Skills,
Theoretical Knowledge, and Licensing Success
,Question 1:
Which of the following is considered a primary color in hair coloring?
• A) Green
• B) Yellow
• C) Blue
• D) Orange
Correct Option: C) Blue
Rationale:
Primary colors in hair coloring are fundamental colors that cannot be created by mixing
other colors together. The primary colors in hair dyeing are red, blue, and yellow. Blue is
one of the primary colors used to neutralize orange tones, making it essential in color
theory for stylistic applications.
Question 2:
What is the main purpose of a pre-service consultation?
• A) To sell additional products
• B) To determine skin type and hair condition
• C) To complete the service more quickly
• D) To increase the salon's revenue
Correct Option: B) To determine skin type and hair condition
Rationale:
The pre-service consultation is a critical step in preparing for a hair or skin treatment.
This process allows the cosmetologist to assess the client's unique characteristics,
such as skin type and hair texture. By understanding these factors, the stylist can
recommend the most appropriate products and services tailored to the client's needs,
enhancing customer satisfaction and service effectiveness.
Question 3:
Which chemical change occurs when hydrogen peroxide is applied to hair?
• A) Oxidation
• B) Hydration
• C) Polymerization
, • D) Neutralization
Correct Option: A) Oxidation
Rationale:
Oxidation is a chemical process where a substance loses electrons, frequently resulting
in a change in color, among other effects. In hair treatment, hydrogen peroxide acts as
an oxidizing agent, breaking down the natural pigments in hair to lighten its color.
Understanding this chemical change is crucial for cosmetologists to safely achieve the
desired hair color without damaging the hair.
Question 4:
What is the recommended angle for cutting hair to create a layered effect?
• A) 45 degrees
• B) 90 degrees
• C) 180 degrees
• D) 360 degrees
Correct Option: A) 45 degrees
Rationale:
Cutting hair at a 45-degree angle is commonly used to create layers. This technique
allows for volume and movement within the hair while ensuring that the layers blend
seamlessly. Mastery of cutting angles is vital for cosmetologists to execute styles that
align with client expectations and current trends.
Question 5:
Which type of brush is best suited for blow-drying thick, curly hair?
• A) Round brush
• B) Paddle brush
• C) Vent brush
• D) Teasing brush
Correct Option: B) Paddle brush
Rationale:
A paddle brush is designed with a wide, flat surface that makes it ideal for smoothing
and detangling thick, curly hair. The flat structure helps distribute heat evenly while
blow-drying, minimizing frizz and enhancing shine. Choosing the right brush for hair