PSI Barbering Comprehensive Actual
Exam 2026/2027 | Verified Questions
PSI National Barbering and Cosmetology Program | Verified
Q&A | Licensed Barbers and Candidates
Comprehensive 100-Question Original Actual Exam Set | 2026/2027
Introduction
This 2026/2027 comprehensive 100-question actual exam set provides original questions covering Scientific
Concepts including infection control, anatomy, and chemistry; Hair Care and Services including cutting, styling,
and chemical texturizing; Skin Care and Services including shaving, facials, and hair removal; and State Laws,
Regulations, and Professional Ethics. The content is designed to reinforce official PSI and state board course
objectives for actual exam readiness and professional compliance by strengthening sanitation, client safety, tool
control, hair and skin science, technical barbering skills, chemical service judgment, and ethical license practice.
Each item includes Verified Questions with concise rationales grounded in PSI National Barbering Examination
blueprints, Milady Standard Professional Barbering guidance, and current OSHA and state board regulations.
Domain: Scientific Concepts
1. What is the main difference between disinfection and sterilization in barbering?
A. Sterilization destroys all microbial life, while disinfection eliminates many pathogens on nonporous
surfaces.
B. Proceed without sanitation because the service is brief.
C. Use the same method for every client without consultation.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: A
Rationale: Sterilization is the highest microbial control level, while disinfection is commonly used for
implements and surfaces according to board rules.
2. Which item should be discarded after a single use because it cannot be properly disinfected?
A. Proceed without sanitation because the service is brief.
B. Porous neck strip.
C. Use the same method for every client without consultation.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: B
Rationale: Porous single-use items can retain contaminants and are discarded after one client.
3. Which bloodborne pathogen standard is most relevant when a barber may contact blood during
a service?
A. Proceed without sanitation because the service is brief.
B. Use the same method for every client without consultation.
C. OSHA bloodborne pathogens standard.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: C
Rationale: OSHA bloodborne pathogen rules address exposure control, PPE, sharps handling, and cleanup
after blood contact.
4. Which action is appropriate after a minor cut occurs during a shave?
A. Proceed without sanitation because the service is brief.
PSI Barbering Comprehensive Actual Exam 2026/2027 | Verified Questions
, B. Use the same method for every client without consultation.
C. Ignore manufacturer directions and state board expectations.
D. Stop the service, put on gloves, control bleeding, and follow exposure cleanup procedures.
Correct Answer: D
Rationale: Blood exposure requires immediate infection control, client safety, and proper cleanup before
service continuation.
5. Which disinfectant property is required for tools contaminated by blood or body fluid?
A. Tuberculocidal or EPA-registered hospital-level claim as required by rule.
B. Proceed without sanitation because the service is brief.
C. Use the same method for every client without consultation.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: A
Rationale: Blood contamination requires a higher-level disinfectant with appropriate label claims and
contact time.
6. What does contact time mean on a disinfectant label?
A. Proceed without sanitation because the service is brief.
B. The required wet time for the product to remain on the surface to be effective.
C. Use the same method for every client without consultation.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: B
Rationale: Disinfectants must remain wet for the labeled time to achieve their claimed antimicrobial action.
7. Which practice prevents disinfectant solution failure?
A. Proceed without sanitation because the service is brief.
B. Use the same method for every client without consultation.
C. Change solution according to label, contamination level, and state requirements.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: C
Rationale: Expired or contaminated disinfectant may not work effectively, so it must be maintained and
replaced properly.
8. Which skin layer contains actively dividing cells that replace the epidermis?
A. Proceed without sanitation because the service is brief.
B. Use the same method for every client without consultation.
C. Ignore manufacturer directions and state board expectations.
D. Stratum germinativum.
Correct Answer: D
Rationale: The basal layer, also called stratum germinativum, produces new epidermal cells.
9. Which skin gland produces sebum?
A. Sebaceous gland.
B. Proceed without sanitation because the service is brief.
C. Use the same method for every client without consultation.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: A
Rationale: Sebaceous glands secrete oil that lubricates hair and skin.
10. Which muscle causes goose bumps by pulling on the hair follicle?
A. Proceed without sanitation because the service is brief.
B. Arrector pili muscle.
C. Use the same method for every client without consultation.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: B
Rationale: Arrector pili muscles contract in response to cold or emotion and raise hair follicles.
11. Which hair structure is the outermost protective layer?
PSI Barbering Comprehensive Actual Exam 2026/2027 | Verified Questions
, A. Proceed without sanitation because the service is brief.
B. Use the same method for every client without consultation.
C. Cuticle.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: C
Rationale: The cuticle is the outer layer of overlapping scale-like cells that protects the hair shaft.
12. Which hair layer contains most natural pigment and strength?
A. Proceed without sanitation because the service is brief.
B. Use the same method for every client without consultation.
C. Ignore manufacturer directions and state board expectations.
D. Cortex.
Correct Answer: D
Rationale: The cortex contains melanin and keratin fibers that determine much of hair color, elasticity, and
strength.
13. Which chemical bond is broken and reformed during permanent waving and chemical
relaxing?
A. Disulfide bond.
B. Proceed without sanitation because the service is brief.
C. Use the same method for every client without consultation.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: A
Rationale: Chemical texture services alter disulfide bonds to change hair shape.
14. Which pH range is generally alkaline and can swell the hair cuticle?
A. Proceed without sanitation because the service is brief.
B. Above 7.
C. Use the same method for every client without consultation.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: B
Rationale: Alkaline products raise pH and tend to swell or open the cuticle.
15. Which pH range is acidic and can help contract the cuticle?
A. Proceed without sanitation because the service is brief.
B. Use the same method for every client without consultation.
C. Below 7.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: C
Rationale: Acidic products have pH below neutral and can help compact the cuticle.
16. Which organism is most associated with contagious fungal scalp infection?
A. Proceed without sanitation because the service is brief.
B. Use the same method for every client without consultation.
C. Ignore manufacturer directions and state board expectations.
D. Tinea capitis fungus.
Correct Answer: D
Rationale: Tinea capitis is a fungal scalp infection and requires referral rather than barber service.
17. Which condition is characterized by head lice and nits attached to hair?
A. Pediculosis capitis.
B. Proceed without sanitation because the service is brief.
C. Use the same method for every client without consultation.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: A
Rationale: Pediculosis capitis is infestation by head lice and is contagious.
18. Which condition should prompt refusal of service and referral?
PSI Barbering Comprehensive Actual Exam 2026/2027 | Verified Questions
Exam 2026/2027 | Verified Questions
PSI National Barbering and Cosmetology Program | Verified
Q&A | Licensed Barbers and Candidates
Comprehensive 100-Question Original Actual Exam Set | 2026/2027
Introduction
This 2026/2027 comprehensive 100-question actual exam set provides original questions covering Scientific
Concepts including infection control, anatomy, and chemistry; Hair Care and Services including cutting, styling,
and chemical texturizing; Skin Care and Services including shaving, facials, and hair removal; and State Laws,
Regulations, and Professional Ethics. The content is designed to reinforce official PSI and state board course
objectives for actual exam readiness and professional compliance by strengthening sanitation, client safety, tool
control, hair and skin science, technical barbering skills, chemical service judgment, and ethical license practice.
Each item includes Verified Questions with concise rationales grounded in PSI National Barbering Examination
blueprints, Milady Standard Professional Barbering guidance, and current OSHA and state board regulations.
Domain: Scientific Concepts
1. What is the main difference between disinfection and sterilization in barbering?
A. Sterilization destroys all microbial life, while disinfection eliminates many pathogens on nonporous
surfaces.
B. Proceed without sanitation because the service is brief.
C. Use the same method for every client without consultation.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: A
Rationale: Sterilization is the highest microbial control level, while disinfection is commonly used for
implements and surfaces according to board rules.
2. Which item should be discarded after a single use because it cannot be properly disinfected?
A. Proceed without sanitation because the service is brief.
B. Porous neck strip.
C. Use the same method for every client without consultation.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: B
Rationale: Porous single-use items can retain contaminants and are discarded after one client.
3. Which bloodborne pathogen standard is most relevant when a barber may contact blood during
a service?
A. Proceed without sanitation because the service is brief.
B. Use the same method for every client without consultation.
C. OSHA bloodborne pathogens standard.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: C
Rationale: OSHA bloodborne pathogen rules address exposure control, PPE, sharps handling, and cleanup
after blood contact.
4. Which action is appropriate after a minor cut occurs during a shave?
A. Proceed without sanitation because the service is brief.
PSI Barbering Comprehensive Actual Exam 2026/2027 | Verified Questions
, B. Use the same method for every client without consultation.
C. Ignore manufacturer directions and state board expectations.
D. Stop the service, put on gloves, control bleeding, and follow exposure cleanup procedures.
Correct Answer: D
Rationale: Blood exposure requires immediate infection control, client safety, and proper cleanup before
service continuation.
5. Which disinfectant property is required for tools contaminated by blood or body fluid?
A. Tuberculocidal or EPA-registered hospital-level claim as required by rule.
B. Proceed without sanitation because the service is brief.
C. Use the same method for every client without consultation.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: A
Rationale: Blood contamination requires a higher-level disinfectant with appropriate label claims and
contact time.
6. What does contact time mean on a disinfectant label?
A. Proceed without sanitation because the service is brief.
B. The required wet time for the product to remain on the surface to be effective.
C. Use the same method for every client without consultation.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: B
Rationale: Disinfectants must remain wet for the labeled time to achieve their claimed antimicrobial action.
7. Which practice prevents disinfectant solution failure?
A. Proceed without sanitation because the service is brief.
B. Use the same method for every client without consultation.
C. Change solution according to label, contamination level, and state requirements.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: C
Rationale: Expired or contaminated disinfectant may not work effectively, so it must be maintained and
replaced properly.
8. Which skin layer contains actively dividing cells that replace the epidermis?
A. Proceed without sanitation because the service is brief.
B. Use the same method for every client without consultation.
C. Ignore manufacturer directions and state board expectations.
D. Stratum germinativum.
Correct Answer: D
Rationale: The basal layer, also called stratum germinativum, produces new epidermal cells.
9. Which skin gland produces sebum?
A. Sebaceous gland.
B. Proceed without sanitation because the service is brief.
C. Use the same method for every client without consultation.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: A
Rationale: Sebaceous glands secrete oil that lubricates hair and skin.
10. Which muscle causes goose bumps by pulling on the hair follicle?
A. Proceed without sanitation because the service is brief.
B. Arrector pili muscle.
C. Use the same method for every client without consultation.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: B
Rationale: Arrector pili muscles contract in response to cold or emotion and raise hair follicles.
11. Which hair structure is the outermost protective layer?
PSI Barbering Comprehensive Actual Exam 2026/2027 | Verified Questions
, A. Proceed without sanitation because the service is brief.
B. Use the same method for every client without consultation.
C. Cuticle.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: C
Rationale: The cuticle is the outer layer of overlapping scale-like cells that protects the hair shaft.
12. Which hair layer contains most natural pigment and strength?
A. Proceed without sanitation because the service is brief.
B. Use the same method for every client without consultation.
C. Ignore manufacturer directions and state board expectations.
D. Cortex.
Correct Answer: D
Rationale: The cortex contains melanin and keratin fibers that determine much of hair color, elasticity, and
strength.
13. Which chemical bond is broken and reformed during permanent waving and chemical
relaxing?
A. Disulfide bond.
B. Proceed without sanitation because the service is brief.
C. Use the same method for every client without consultation.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: A
Rationale: Chemical texture services alter disulfide bonds to change hair shape.
14. Which pH range is generally alkaline and can swell the hair cuticle?
A. Proceed without sanitation because the service is brief.
B. Above 7.
C. Use the same method for every client without consultation.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: B
Rationale: Alkaline products raise pH and tend to swell or open the cuticle.
15. Which pH range is acidic and can help contract the cuticle?
A. Proceed without sanitation because the service is brief.
B. Use the same method for every client without consultation.
C. Below 7.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: C
Rationale: Acidic products have pH below neutral and can help compact the cuticle.
16. Which organism is most associated with contagious fungal scalp infection?
A. Proceed without sanitation because the service is brief.
B. Use the same method for every client without consultation.
C. Ignore manufacturer directions and state board expectations.
D. Tinea capitis fungus.
Correct Answer: D
Rationale: Tinea capitis is a fungal scalp infection and requires referral rather than barber service.
17. Which condition is characterized by head lice and nits attached to hair?
A. Pediculosis capitis.
B. Proceed without sanitation because the service is brief.
C. Use the same method for every client without consultation.
D. Ignore manufacturer directions and state board expectations.
Correct Answer: A
Rationale: Pediculosis capitis is infestation by head lice and is contagious.
18. Which condition should prompt refusal of service and referral?
PSI Barbering Comprehensive Actual Exam 2026/2027 | Verified Questions
