California Cosmetology Exam Practice Test Updated 2026 | Complete
Study Guide with Verified Questions and Detailed Rationales | Haircutting
and Styling Techniques, Chemical Services, Hair Coloring, Skin Care and
Esthetics, Nail Technology, Infection Control, Sanitation and Disinfection,
California Laws and Regulations, Safety Procedures, and Professional
Cosmetology Practices for California State Board Exam Success
Question 1: According to California Board of Barbering and Cosmetology
regulations, what is the minimum required training hours to qualify for the
cosmetology licensing examination?
A. 600 hours
B. 800 hours
C. 1,000 hours
D. 1,600 hours
CORRECT ANSWER: C. 1,000 hours
Rationale: Senate Bill 803, effective January 1, 2022, reduced the required training
hours for California cosmetology licensure from 1,600 to 1,000 hours at a Board-
approved school. This change was implemented to increase accessibility to the
profession while maintaining competency standards.
Question 2: Which of the following disinfectants is EPA-registered and required by
California regulations for use on non-electrical tools in cosmetology
establishments?
A. Household bleach diluted 1:10 with water
B. Any antibacterial soap
C. An EPA-registered hospital-grade disinfectant effective against HIV and HBV
D. Isopropyl alcohol at 50% concentration
CORRECT ANSWER: C. An EPA-registered hospital-grade disinfectant effective
against HIV and HBV
Rationale: California Code of Regulations Title 16, Section 979 requires that non-
electrical tools be disinfected using an EPA-registered hospital-grade disinfectant that
is tuberculocidal or effective against HIV and HBV. This ensures adequate protection
against bloodborne pathogens and infectious diseases.
Question 3: Under California law, which service is explicitly EXCLUDED from the
scope of practice for a licensed cosmetologist?
A. Applying hair tonics to the scalp
B. Removing superfluous hair using depilatories
C. Performing laser hair removal treatments
D. Massaging the face with cosmetic preparations
CORRECT ANSWER: C. Performing laser hair removal treatments
,California Cosmetology Exam Practice Test Updated 2026 | Complete
Study Guide with Verified Questions and Detailed Rationales | Haircutting
and Styling Techniques, Chemical Services, Hair Coloring, Skin Care and
Esthetics, Nail Technology, Infection Control, Sanitation and Disinfection,
California Laws and Regulations, Safety Procedures, and Professional
Cosmetology Practices for California State Board Exam Success
Rationale: California Business and Professions Code Section 7316 explicitly states that
cosmetology practice does not include the use of light waves or lasers for hair removal.
Laser treatments fall under medical practice and require appropriate medical licensure
or supervision.
Question 4: What is the required minimum temperature for noncommercial
laundering of towels in a California cosmetology establishment when using a hot
water process?
A. 140°F for 15 minutes
B. 160°F for 25 minutes
C. 180°F for 10 minutes
D. 200°F for 5 minutes
CORRECT ANSWER: B. 160°F for 25 minutes
Rationale: California Code of Regulations Section 987(b) specifies that noncommercial
laundering must include immersion in water at least 160°F for not less than 25 minutes
during washing or rinsing to properly sanitize linens and protect public health.
Question 5: Which of the following is a mandatory requirement for handwashing
facilities in California cosmetology establishments?
A. Foot-operated faucets only
B. Hot and cold running water, soap, and single-use towels or air dryer
C. Antibacterial hand sanitizer as the sole hand-cleaning method
D. Shared cloth towels for drying hands
CORRECT ANSWER: B. Hot and cold running water, soap, and single-use towels or
air dryer
Rationale: California Code of Regulations Section 7352 mandates that establishments
provide handwashing facilities with hot and cold running water, soap, and single-use
towels or air dryers to maintain proper sanitation and prevent cross-contamination
between clients and practitioners.
Question 6: According to California regulations, how must clean brushes be stored
in a cosmetology establishment?
A. In an open container on the workstation for easy access
B. In a clean, covered, labeled container marked "Clean"
C. Wrapped in a clean towel and placed in a drawer
D. In the same container as dirty brushes, separated by a divider
,California Cosmetology Exam Practice Test Updated 2026 | Complete
Study Guide with Verified Questions and Detailed Rationales | Haircutting
and Styling Techniques, Chemical Services, Hair Coloring, Skin Care and
Esthetics, Nail Technology, Infection Control, Sanitation and Disinfection,
California Laws and Regulations, Safety Procedures, and Professional
Cosmetology Practices for California State Board Exam Success
CORRECT ANSWER: B. In a clean, covered, labeled container marked "Clean"
Rationale: California Code of Regulations Section 986(4) requires that all clean brushes
be stored in a clean, covered place that is labeled "Clean" to prevent contamination and
ensure proper sanitation protocols are maintained.
Question 7: Which condition would be a contraindication for performing a chemical
hair relaxing service in California?
A. Client has naturally curly hair
B. Client has scalp abrasions, lesions, or inflammation
C. Client requests a slightly lighter relaxer strength
D. Client has previously had a relaxer service
CORRECT ANSWER: B. Client has scalp abrasions, lesions, or inflammation
Rationale: Performing chemical services on compromised scalp tissue can cause
severe irritation, chemical burns, or systemic absorption of harsh chemicals. California
regulations and professional standards require a thorough scalp analysis before
chemical services, and services must be postponed if abnormalities are present.
Question 8: What is the primary purpose of using neck strips during shampooing or
chemical services in California cosmetology practice?
A. To enhance the aesthetic appearance of the cape
B. To create a sanitary barrier between the client's skin and the cape or towel
C. To absorb excess water during shampooing
D. To secure the cape more tightly around the neck
CORRECT ANSWER: B. To create a sanitary barrier between the client's skin and the
cape or towel
Rationale: California Code of Regulations Section 985 requires neck strips to serve as a
disposable sanitary barrier that prevents direct contact between reusable capes or
towels and the client's skin, reducing the risk of cross-contamination and protecting
client health.
Question 9: Under California law, which of the following individuals is exempt from
holding a cosmetology license when performing services?
A. A student performing services at a Board-approved school under supervision
B. A licensed esthetician performing nail services in a salon
, California Cosmetology Exam Practice Test Updated 2026 | Complete
Study Guide with Verified Questions and Detailed Rationales | Haircutting
and Styling Techniques, Chemical Services, Hair Coloring, Skin Care and
Esthetics, Nail Technology, Infection Control, Sanitation and Disinfection,
California Laws and Regulations, Safety Procedures, and Professional
Cosmetology Practices for California State Board Exam Success
C. A cosmetology school graduate awaiting exam results
D. A person with an out-of-state license working temporarily in California
CORRECT ANSWER: A. A student performing services at a Board-approved school
under supervision
Rationale: California Business and Professions Code Section 7319.5 explicitly exempts
students enrolled in Board-approved schools from licensure requirements when
performing services on the public at the approved school under proper supervision, as
part of their educational curriculum.
Question 10: What is the minimum passing score required on the California
cosmetology written licensing examination?
A. 60%
B. 65%
C. 70%
D. 75%
CORRECT ANSWER: C. 70%
Rationale: The California Board of Barbering and Cosmetology requires candidates to
achieve a minimum score of 70% on the written examination to demonstrate
competency in theory, safety, sanitation, and service knowledge necessary for safe
professional practice.
Question 11: Which of the following is a prohibited practice for manicurists under
California regulations regarding metal instrument use?
A. Using metal cuticle pushers for cuticle care
B. Using metal nippers to trim hangnails
C. Using metal instruments to cut or abrade living skin beyond the nail and cuticle area
D. Using metal files to shape artificial nails
CORRECT ANSWER: C. Using metal instruments to cut or abrade living skin beyond
the nail and cuticle area
Rationale: California Business and Professions Code Section 7320.1 prohibits the use
of metal instruments to cut or abrade living skin beyond the nail and cuticle area during
manicure or pedicure services to prevent injury, infection, and transmission of
bloodborne pathogens.
Study Guide with Verified Questions and Detailed Rationales | Haircutting
and Styling Techniques, Chemical Services, Hair Coloring, Skin Care and
Esthetics, Nail Technology, Infection Control, Sanitation and Disinfection,
California Laws and Regulations, Safety Procedures, and Professional
Cosmetology Practices for California State Board Exam Success
Question 1: According to California Board of Barbering and Cosmetology
regulations, what is the minimum required training hours to qualify for the
cosmetology licensing examination?
A. 600 hours
B. 800 hours
C. 1,000 hours
D. 1,600 hours
CORRECT ANSWER: C. 1,000 hours
Rationale: Senate Bill 803, effective January 1, 2022, reduced the required training
hours for California cosmetology licensure from 1,600 to 1,000 hours at a Board-
approved school. This change was implemented to increase accessibility to the
profession while maintaining competency standards.
Question 2: Which of the following disinfectants is EPA-registered and required by
California regulations for use on non-electrical tools in cosmetology
establishments?
A. Household bleach diluted 1:10 with water
B. Any antibacterial soap
C. An EPA-registered hospital-grade disinfectant effective against HIV and HBV
D. Isopropyl alcohol at 50% concentration
CORRECT ANSWER: C. An EPA-registered hospital-grade disinfectant effective
against HIV and HBV
Rationale: California Code of Regulations Title 16, Section 979 requires that non-
electrical tools be disinfected using an EPA-registered hospital-grade disinfectant that
is tuberculocidal or effective against HIV and HBV. This ensures adequate protection
against bloodborne pathogens and infectious diseases.
Question 3: Under California law, which service is explicitly EXCLUDED from the
scope of practice for a licensed cosmetologist?
A. Applying hair tonics to the scalp
B. Removing superfluous hair using depilatories
C. Performing laser hair removal treatments
D. Massaging the face with cosmetic preparations
CORRECT ANSWER: C. Performing laser hair removal treatments
,California Cosmetology Exam Practice Test Updated 2026 | Complete
Study Guide with Verified Questions and Detailed Rationales | Haircutting
and Styling Techniques, Chemical Services, Hair Coloring, Skin Care and
Esthetics, Nail Technology, Infection Control, Sanitation and Disinfection,
California Laws and Regulations, Safety Procedures, and Professional
Cosmetology Practices for California State Board Exam Success
Rationale: California Business and Professions Code Section 7316 explicitly states that
cosmetology practice does not include the use of light waves or lasers for hair removal.
Laser treatments fall under medical practice and require appropriate medical licensure
or supervision.
Question 4: What is the required minimum temperature for noncommercial
laundering of towels in a California cosmetology establishment when using a hot
water process?
A. 140°F for 15 minutes
B. 160°F for 25 minutes
C. 180°F for 10 minutes
D. 200°F for 5 minutes
CORRECT ANSWER: B. 160°F for 25 minutes
Rationale: California Code of Regulations Section 987(b) specifies that noncommercial
laundering must include immersion in water at least 160°F for not less than 25 minutes
during washing or rinsing to properly sanitize linens and protect public health.
Question 5: Which of the following is a mandatory requirement for handwashing
facilities in California cosmetology establishments?
A. Foot-operated faucets only
B. Hot and cold running water, soap, and single-use towels or air dryer
C. Antibacterial hand sanitizer as the sole hand-cleaning method
D. Shared cloth towels for drying hands
CORRECT ANSWER: B. Hot and cold running water, soap, and single-use towels or
air dryer
Rationale: California Code of Regulations Section 7352 mandates that establishments
provide handwashing facilities with hot and cold running water, soap, and single-use
towels or air dryers to maintain proper sanitation and prevent cross-contamination
between clients and practitioners.
Question 6: According to California regulations, how must clean brushes be stored
in a cosmetology establishment?
A. In an open container on the workstation for easy access
B. In a clean, covered, labeled container marked "Clean"
C. Wrapped in a clean towel and placed in a drawer
D. In the same container as dirty brushes, separated by a divider
,California Cosmetology Exam Practice Test Updated 2026 | Complete
Study Guide with Verified Questions and Detailed Rationales | Haircutting
and Styling Techniques, Chemical Services, Hair Coloring, Skin Care and
Esthetics, Nail Technology, Infection Control, Sanitation and Disinfection,
California Laws and Regulations, Safety Procedures, and Professional
Cosmetology Practices for California State Board Exam Success
CORRECT ANSWER: B. In a clean, covered, labeled container marked "Clean"
Rationale: California Code of Regulations Section 986(4) requires that all clean brushes
be stored in a clean, covered place that is labeled "Clean" to prevent contamination and
ensure proper sanitation protocols are maintained.
Question 7: Which condition would be a contraindication for performing a chemical
hair relaxing service in California?
A. Client has naturally curly hair
B. Client has scalp abrasions, lesions, or inflammation
C. Client requests a slightly lighter relaxer strength
D. Client has previously had a relaxer service
CORRECT ANSWER: B. Client has scalp abrasions, lesions, or inflammation
Rationale: Performing chemical services on compromised scalp tissue can cause
severe irritation, chemical burns, or systemic absorption of harsh chemicals. California
regulations and professional standards require a thorough scalp analysis before
chemical services, and services must be postponed if abnormalities are present.
Question 8: What is the primary purpose of using neck strips during shampooing or
chemical services in California cosmetology practice?
A. To enhance the aesthetic appearance of the cape
B. To create a sanitary barrier between the client's skin and the cape or towel
C. To absorb excess water during shampooing
D. To secure the cape more tightly around the neck
CORRECT ANSWER: B. To create a sanitary barrier between the client's skin and the
cape or towel
Rationale: California Code of Regulations Section 985 requires neck strips to serve as a
disposable sanitary barrier that prevents direct contact between reusable capes or
towels and the client's skin, reducing the risk of cross-contamination and protecting
client health.
Question 9: Under California law, which of the following individuals is exempt from
holding a cosmetology license when performing services?
A. A student performing services at a Board-approved school under supervision
B. A licensed esthetician performing nail services in a salon
, California Cosmetology Exam Practice Test Updated 2026 | Complete
Study Guide with Verified Questions and Detailed Rationales | Haircutting
and Styling Techniques, Chemical Services, Hair Coloring, Skin Care and
Esthetics, Nail Technology, Infection Control, Sanitation and Disinfection,
California Laws and Regulations, Safety Procedures, and Professional
Cosmetology Practices for California State Board Exam Success
C. A cosmetology school graduate awaiting exam results
D. A person with an out-of-state license working temporarily in California
CORRECT ANSWER: A. A student performing services at a Board-approved school
under supervision
Rationale: California Business and Professions Code Section 7319.5 explicitly exempts
students enrolled in Board-approved schools from licensure requirements when
performing services on the public at the approved school under proper supervision, as
part of their educational curriculum.
Question 10: What is the minimum passing score required on the California
cosmetology written licensing examination?
A. 60%
B. 65%
C. 70%
D. 75%
CORRECT ANSWER: C. 70%
Rationale: The California Board of Barbering and Cosmetology requires candidates to
achieve a minimum score of 70% on the written examination to demonstrate
competency in theory, safety, sanitation, and service knowledge necessary for safe
professional practice.
Question 11: Which of the following is a prohibited practice for manicurists under
California regulations regarding metal instrument use?
A. Using metal cuticle pushers for cuticle care
B. Using metal nippers to trim hangnails
C. Using metal instruments to cut or abrade living skin beyond the nail and cuticle area
D. Using metal files to shape artificial nails
CORRECT ANSWER: C. Using metal instruments to cut or abrade living skin beyond
the nail and cuticle area
Rationale: California Business and Professions Code Section 7320.1 prohibits the use
of metal instruments to cut or abrade living skin beyond the nail and cuticle area during
manicure or pedicure services to prevent injury, infection, and transmission of
bloodborne pathogens.
