1|Page
CALIFORNIA BARBER WRITTEN EXAM
NEWEST 2025 COMPLETE EXAM| ACTUAL
EXAM QUESTIONS AND VERIFIED ANSWERS
(100% CORRECT) ALREADY GRADED A+|| NEW!!
Who regulates product safety? - ANSWER - EPA and state
What is tinea? - ANSWER - Medical term for ringworm
What chemicals do not mix? - ANSWER - Bleach and ammonia
What is used to clean barber head rests, chairs, and hard surfaces? -
ANSWER - EPA registered hospital grade disinfectant
What happens when you mix aniline derivative and hydrogen peroxide -
ANSWER - Oxidization
What does galvanic current do for the skin? - ANSWER - Creates
chemical desincrustation and ionic iontophoresis. Used to create a
chemical reaction that emulsifies or liquefies sebum and debris
What are universal precautions? - ANSWER - Treat all blood as if it's
contaminated
pg. 1
,2|Page
What do you put on a cut? - ANSWER - Styptic powder
What area should you apply relaxing cream to first? - ANSWER - Most
resistant area
Where should you hold a razor when changing out the blade? -
ANSWER - Shank
Acne is a disorder of what gland? - ANSWER - Sebaceous gland
During a facial treatment what part of a client should be covered? -
ANSWER - Clothing and hair
What protects the brain? - ANSWER - Cranium
What parts of the face consists of the t-zone? - ANSWER - Forehead,
nose and chin
What is the texture of a hair strand? - ANSWER - Diameter of the hair
How to do make long necks appear shorter? - ANSWER - Hair that is
left longer, fuller at the nape
What are the secondary colors? - ANSWER - orange, green, violet
pg. 2
, 3|Page
Galvanic current - ANSWER - Constant and direct current, having a
positive and negative pole, that produces chemical changes when it
passes through the tissues and fluids of the body.
Blood borne pathogens - ANSWER - Disease-causing organisms
transferred through contact with blood or other body fluids
What percentage of alcohol may be used to disinfect? - ANSWER - 70%
How does a barber clean a hone? - ANSWER - Water and pumice stone
What lesions should barbers be aware of? - ANSWER - Primary and
secondary
What is the pH of conditioner? - ANSWER - 3.5-5.5
What is the characteristic of low porosity? - ANSWER - Absorbs less
moisture
A client has red-violet hair and wants a natural brown, what color should
you use to neutralize the unwanted tone? - ANSWER - green-yellow
Quatts - ANSWER - Quaternary ammonium compounds
Amp - ANSWER - Measures the strength of an electric current
pg. 3
CALIFORNIA BARBER WRITTEN EXAM
NEWEST 2025 COMPLETE EXAM| ACTUAL
EXAM QUESTIONS AND VERIFIED ANSWERS
(100% CORRECT) ALREADY GRADED A+|| NEW!!
Who regulates product safety? - ANSWER - EPA and state
What is tinea? - ANSWER - Medical term for ringworm
What chemicals do not mix? - ANSWER - Bleach and ammonia
What is used to clean barber head rests, chairs, and hard surfaces? -
ANSWER - EPA registered hospital grade disinfectant
What happens when you mix aniline derivative and hydrogen peroxide -
ANSWER - Oxidization
What does galvanic current do for the skin? - ANSWER - Creates
chemical desincrustation and ionic iontophoresis. Used to create a
chemical reaction that emulsifies or liquefies sebum and debris
What are universal precautions? - ANSWER - Treat all blood as if it's
contaminated
pg. 1
,2|Page
What do you put on a cut? - ANSWER - Styptic powder
What area should you apply relaxing cream to first? - ANSWER - Most
resistant area
Where should you hold a razor when changing out the blade? -
ANSWER - Shank
Acne is a disorder of what gland? - ANSWER - Sebaceous gland
During a facial treatment what part of a client should be covered? -
ANSWER - Clothing and hair
What protects the brain? - ANSWER - Cranium
What parts of the face consists of the t-zone? - ANSWER - Forehead,
nose and chin
What is the texture of a hair strand? - ANSWER - Diameter of the hair
How to do make long necks appear shorter? - ANSWER - Hair that is
left longer, fuller at the nape
What are the secondary colors? - ANSWER - orange, green, violet
pg. 2
, 3|Page
Galvanic current - ANSWER - Constant and direct current, having a
positive and negative pole, that produces chemical changes when it
passes through the tissues and fluids of the body.
Blood borne pathogens - ANSWER - Disease-causing organisms
transferred through contact with blood or other body fluids
What percentage of alcohol may be used to disinfect? - ANSWER - 70%
How does a barber clean a hone? - ANSWER - Water and pumice stone
What lesions should barbers be aware of? - ANSWER - Primary and
secondary
What is the pH of conditioner? - ANSWER - 3.5-5.5
What is the characteristic of low porosity? - ANSWER - Absorbs less
moisture
A client has red-violet hair and wants a natural brown, what color should
you use to neutralize the unwanted tone? - ANSWER - green-yellow
Quatts - ANSWER - Quaternary ammonium compounds
Amp - ANSWER - Measures the strength of an electric current
pg. 3
