PSI National Barbering Examination
Official Practice Exam Actual Exam
2026/2027 with Detailed Rationales |
Complete Exam-Style Questions | Pass
Guaranteed – A+ Graded
TABLE OF CONTENTS
Section 1 | Scientific Concepts | Q1 – Q10
Section 2 | Haircutting | Q11 – Q20
Section 3 | Shaving & Facial Hair Design | Q21 – Q30
Section 4 | Hair Styling | Q31 – Q40
Section 5 | Safety, Sanitation, and Professional Practice | Q41 – Q50
Instructions: Choose the single best answer. Pass: 70% in 60 minutes.
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SECTION 1: SCIENTIFIC CONCEPTS Q1 – Q10
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Question 1 of 50
A client comes in with hair that feels rough and looks dull despite regular washing.
You examine the hair shaft under a magnifying glass and notice the scales are
lifted and damaged. Based on this observation, which layer of the hair is most
affected?
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A. The cuticle, which is the outermost layer composed of overlapping scales that
protect the inner structure ✓ CORRECT
B. The cortex, which is the middle layer containing melanin and provides strength
and elasticity
C. The medulla, which is the innermost core layer present primarily in thick hair
types
D. The papilla, which is the structure at the base of the follicle that supplies
nutrients
Correct Answer: A
Rationale: The cuticle is the outermost layer of the hair shaft and is composed of
overlapping scales; healthy cuticles lie flat, protecting the cortex, while damaged
cuticles can lead to breakage, dryness, and frizz. The cortex is the middle layer and
would not be visible under surface examination, making it the wrong layer in this
scenario. When assessing hair damage, always evaluate the cuticle first since it is
the first line of defense.
Question 2 of 50
A fellow barber at your shop says he only rinses his clippers with water between
clients because he believes the blades move too fast for bacteria to survive. What is
the most appropriate response to this practice?
A. Agree with him since clipper blades do generate heat that kills most pathogens
on contact
B. Explain that disinfection with an EPA-registered hospital-grade product is
required between every client regardless of blade speed ✓ CORRECT
C. Suggest he switch to spraying the blades with rubbing alcohol only, as that is
the industry standard
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D. Recommend using a UV sterilizer box instead of liquid disinfectants for clipper
blades
Correct Answer: B
Rationale: EPA-registered hospital-grade disinfectants are required on all
implements between each client to kill bacteria, viruses, and fungi that can survive
on clipper blades despite their speed and heat. Rinsing with water alone does not
kill or remove pathogens and is a direct violation of state board sanitation
regulations. Always follow the manufacturer's contact time for disinfectants to
ensure full efficacy.
Question 3 of 50
A client schedules an appointment and mentions he has been experiencing yellow,
greasy scales on his scalp accompanied by redness and itching. You suspect a
specific condition. Based on these symptoms, what is the most likely diagnosis?
A. Tinea capitis, which is a fungal infection producing round bald patches and
black dots
B. Psoriasis, which presents as thick silvery-white scales over raised red plaques
C. Seborrheic dermatitis, which produces yellow greasy scales with inflammation
on oily areas ✓ CORRECT
D. Pediculosis capitis, which is a head lice infestation causing intense itching and
nits
Correct Answer: C
Rationale: Seborrheic dermatitis is characterized by yellow greasy scales, redness,
and itching on oily areas of the scalp and face, caused by an overgrowth of
Malassezia yeast. Psoriasis presents with thick silvery-white scales over raised
plaques, not yellow greasy ones, making that a common exam trap. Clients with
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seborrheic dermatitis should be referred to a dermatologist for medical treatment
before receiving services.
Question 4 of 50
A client is frustrated that his hair does not seem to grow past a certain length on the
crown of his head. During consultation, you explain the hair growth cycle. How
long does the anagen phase typically last for scalp hair?
A. Two to four weeks, during which the hair shaft detaches from the blood supply
B. One to two months, when the follicle shrinks and hair stops growing
C. Three to five months, when the hair is resting before shedding begins
D. Two to six years, during which the hair follicle actively produces new hair cells
✓ CORRECT
Correct Answer: D
Rationale: The anagen phase is the active growth stage of the hair cycle and lasts
approximately two to six years for scalp hair, determining the maximum length
hair can reach. The catagen phase lasts only two to four weeks and is a transitional
stage, not a growth phase, which is why that answer confuses duration with
function. Clients with shorter anagen phases will naturally have shorter maximum
hair length regardless of care.
Question 5 of 50
While studying for your licensing exam, a classmate asks you to define pathogenic
bacteria in the context of barbershop infection control. How would you correctly
explain this term?