100+ Free NABTEB Cosmetology Practice Questions

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Sample NABTEB Cosmetology Practice Questions

Try these sample questions to test your NABTEB Cosmetology exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1The hair shaft is made up of three layers. Which layer forms the thin, transparent, overlapping outermost scales that protect the hair?

A.Cortex

B.Medulla

C.Cuticle

D.Dermal papilla

Explanation: The cuticle is the outermost layer of the hair shaft, made of flat, overlapping, scale-like cells that protect the inner structures. A healthy, smooth cuticle gives hair shine and helps it resist chemical penetration.

2Which layer of the hair shaft contains the melanin pigment that determines a person's natural hair colour?

A.Cuticle

B.Cortex

C.Medulla

D.Inner root sheath

Explanation: The cortex is the thickest layer of the hair and contains melanin pigment granules, which determine natural hair colour. It is also the layer where colouring, perming and relaxing chemicals do their main work.

3Hair and nails are mainly composed of which fibrous, sulphur-containing protein?

A.Collagen

B.Keratin

C.Melanin

D.Elastin

Explanation: Keratin is the tough, fibrous protein that makes up hair and nails. It contains sulphur (from the amino acid cysteine), and the disulphide bonds between these sulphur atoms are what perming and relaxing chemicals break and reform.

4During which phase of the hair growth cycle does active hair growth take place?

A.Catagen

B.Telogen

C.Anagen

D.Exogen

Explanation: Anagen is the active growth phase, during which cells in the hair bulb divide rapidly and the hair lengthens. It is the longest phase, lasting from about two to seven years and determining hair length.

5What is the structure at the base of the hair follicle that contains a blood supply nourishing the growing hair?

A.Arrector pili muscle

B.Dermal papilla

C.Sebaceous gland

D.Hair bulb cuticle

Explanation: The dermal papilla sits at the base of the follicle and contains capillaries that deliver oxygen and nutrients to the dividing cells of the hair bulb. Without this blood supply the hair cannot grow.

6The technical (scientific) study of hair and its diseases is known as:

A.Trichology

B.Dermatology

C.Cosmetology

D.Histology

Explanation: Trichology is the branch of science that deals with the study of hair and its diseases. A cosmetologist uses basic trichology to recognise hair and scalp conditions and decide whether to treat or refer a client.

7Dandruff, characterised by loose, dry or greasy scales on the scalp, is technically known as:

A.Tinea capitis

B.Pityriasis

C.Alopecia

D.Canities

Explanation: Pityriasis is the technical term for dandruff, the shedding of loose scales from the scalp. Pityriasis capitis simplex is dry dandruff and pityriasis steatoides is the greasy, waxy form.

8A client has small, round, itchy patches of hair loss on the scalp with broken hairs and grey scaling. This is most likely ringworm of the scalp, which a cosmetologist should:

A.Treat with a strong relaxer

B.Shampoo vigorously and ignore

C.Refuse the service and refer to a doctor

D.Apply hair colour to disguise it

Explanation: Ringworm of the scalp (tinea capitis) is a contagious fungal infection. A cosmetologist must not perform the service; the client should be referred to a physician for treatment to avoid spreading the infection.

9The main purpose of shampooing the hair before most salon services is to:

A.Permanently change the colour

B.Cleanse the hair and scalp of dirt, oil and product

C.Break the disulphide bonds

D.Add permanent curl

Explanation: Shampoo cleanses the hair and scalp by removing dirt, excess oil (sebum), perspiration and product build-up. Clean hair is essential before cutting, colouring or styling for good results.

10Most quality shampoos are formulated to be close to which pH so they are gentle and do not raise the cuticle excessively?

A.pH 2 to 3 (strongly acidic)

B.pH 4.5 to 5.5 (mildly acidic)

C.pH 9 to 10 (alkaline)

D.pH 13 to 14 (strongly alkaline)

Explanation: Hair and skin are naturally mildly acidic (about pH 4.5 to 5.5), so shampoos formulated in this range are gentle, keep the cuticle smooth and maintain the hair's acid mantle.

About the NABTEB Cosmetology Exam

The NABTEB Cosmetology Modular Trade Certificate is a Nigerian vocational qualification covering the knowledge and skills of professional beauty work. Candidates are assessed on hair structure and growth, shampooing and conditioning, cutting and styling, colouring, perming and relaxing, skin and facials, manicure and pedicure, makeup, salon hygiene and infection control, and salon safety and business.

Assessment

A trade certificate assessment combining a written theory paper (objective multiple-choice and essay questions) with a separate practical examination in cosmetology skills.

Time Limit

Theory papers are typically completed in about 2 to 3 hours, with the practical assessment scheduled separately.

Passing Score

NABTEB uses a credit/pass grading scale rather than one fixed percentage; aim for solid credit-level marks in both theory and practical components.

Exam Fee

NABTEB publishes registration fees each examination cycle; amounts are modest and set through NABTEB and accredited centres, changing periodically. (National Business and Technical Examinations Board (NABTEB), Nigeria)

NABTEB Cosmetology Exam Content Outline

15%

Hair Structure and Growth

Hair shaft layers, keratin, the growth cycle, the follicle and dermal papilla, trichology and scalp conditions.

Shampooing and Conditioning

Cleansing the hair and scalp, conditioners and the mildly acidic pH of quality products.

Haircutting and Styling

Sectioning, elevation and the temporary hydrogen-bond changes used in thermal and wet styling.

10%

Hair Colouring

Developer volumes and peroxide percentages, oxidation, the colour wheel and patch testing.

10%

Perming and Relaxing

Disulphide-bond chemistry, waving lotion, neutraliser, relaxer pH and chemical compatibility.

Skin Science and Facials

Skin layers, sebaceous glands, cleansing, toning, exfoliation and facial contraindications.

Manicure, Pedicure and Nails

Nail anatomy, the matrix and lunula, safe filing and recognition of nail disorders.

Makeup

Skin preparation, foundation matching, contouring, highlighting and allergy awareness.

12%

Sanitation and Infection Control

Decontamination levels, autoclaves, disposables, hand washing, pathogens and blood-spill response.

Salon Safety

Chemical storage and labelling, ventilation and protecting clients during services.

11%

Tools, Equipment, Consultation and Business

Cutting tools, combs and brushes, client consultation, contraindications and salon business basics.

How to Pass the NABTEB Cosmetology Exam

What You Need to Know

Passing score: NABTEB uses a credit/pass grading scale rather than one fixed percentage; aim for solid credit-level marks in both theory and practical components.
Assessment: A trade certificate assessment combining a written theory paper (objective multiple-choice and essay questions) with a separate practical examination in cosmetology skills.
Time limit: Theory papers are typically completed in about 2 to 3 hours, with the practical assessment scheduled separately.
Exam fee: NABTEB publishes registration fees each examination cycle; amounts are modest and set through NABTEB and accredited centres, changing periodically.

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

NABTEB Cosmetology Study Tips from Top Performers

1Master the chemistry first: learn how peroxide developer volumes (10, 20, 30, 40) relate to percentage strength and how disulphide bonds drive perming and relaxing, because these facts recur across the theory paper.

2Drill sanitation and infection control thoroughly, since the differences between sanitation, disinfection and sterilisation, autoclave use, and single-use items are reliable, easy marks.

3Pair theory revision with hands-on practice in a salon or training centre, as the NABTEB trade certificate also assesses your practical cosmetology skills.

Frequently Asked Questions

Who awards the NABTEB Cosmetology Modular Trade Certificate?

It is awarded by the National Business and Technical Examinations Board (NABTEB), the Nigerian federal examining body responsible for technical, business and trade certificate examinations across the country.

How is the cosmetology trade exam structured?

Candidates sit a written theory paper, usually a mix of objective multiple-choice and essay questions, and also complete a separate practical assessment that demonstrates hands-on cosmetology skills. Confirm the exact format for your cycle with your NABTEB centre.

What topics does the cosmetology theory paper cover?

Theory covers hair structure and growth, shampooing and conditioning, cutting and styling, colouring, perming and relaxing chemistry, skin science and facials, manicure and pedicure, makeup, salon hygiene and infection control, and salon safety and business.

How can I prepare for the NABTEB cosmetology exam for free?

Work through these 100 free practice questions to test your trade theory, review any wrong answers with the explanations provided, and combine this with supervised practical training in a salon or training centre to build hands-on competence.