Free Practice Questions for Cosmetology

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Exam Review

Key Facts: Cosmetology Exam

70-75%

Passing Score

varies by state

1,000-1,800 hrs

Training Required (Set by Each State)

state boards

110

Theory Exam Items (100 Weighted)

NIC candidate bulletin

90 min

Time Limit

NIC candidate bulletin

$35,880

Median Pay (Barbers, Hairstylists, Cosmetologists)

BLS 2025

$50-150

Exam Fee

varies by state

The NIC cosmetology theory exam has 110 items (100 scored) in 90 minutes, weighted Scientific Concepts 35%, Hair Care 45%, Skin Care 10%, and Nail Care 10%. Each state sets its school hours (1,000 in California, New York, and Texas; 1,800 in Hawaii and Nebraska) and its passing score. BLS reports a median wage of $17.21 an hour for hairdressers, hairstylists, and cosmetologists (May 2025).

Sample Cosmetology Practice Questions

Try these sample questions to review concepts for the Cosmetology exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 208+ question experience with AI tutoring.

1Which type of bacteria are round-shaped and appear in clusters resembling a bunch of grapes?

A.Streptococci

B.Staphylococci

C.Diplococci

D.Bacilli

Explanation: Staphylococci are round-shaped (cocci) bacteria that grow in grape-like clusters. They are among the most common bacteria that cause skin infections in salons. Streptococci form chains, diplococci appear in pairs, and bacilli are rod-shaped.

2What is the difference between bacteria that are pathogenic and those that are nonpathogenic?

A.Pathogenic bacteria are larger than nonpathogenic bacteria

B.Pathogenic bacteria are harmful and cause disease; nonpathogenic are harmless

C.Nonpathogenic bacteria cause disease; pathogenic bacteria are harmless

D.There is no significant difference between the two types

Explanation: Pathogenic bacteria are harmful microorganisms that can cause disease and infection. Nonpathogenic bacteria are harmless and may even be beneficial, such as those that help decompose organic matter or aid in digestion. Understanding this distinction is fundamental to infection control in cosmetology.

3Bacteria can exist in two forms: the active (vegetative) stage and the inactive stage. In the inactive stage, bacteria form a protective coating called a:

A.Flagella

B.Mitosis shell

C.Spore

D.Biofilm

Explanation: When conditions become unfavorable (lack of food, moisture, or suitable temperature), certain bacteria can form spores. A spore is a tough, protective outer coating that allows the bacterium to survive harsh environments. Spore-forming bacteria are especially difficult to destroy and require higher-level disinfection or sterilization.

4Which of the following is an example of a bloodborne pathogen that cosmetologists must be aware of?

A.Tinea pedis

B.Hepatitis B virus (HBV)

C.Head lice

D.Dandruff

Explanation: Hepatitis B virus (HBV) is a bloodborne pathogen that can be transmitted through contact with infected blood or body fluids. Cosmetologists must follow standard precautions because accidental cuts can expose them to bloodborne pathogens. HIV and Hepatitis C are also bloodborne pathogens. Tinea pedis is a fungal infection (athlete's foot), and head lice and dandruff are not bloodborne.

5A cosmetologist accidentally cuts a client during a service. What is the FIRST action the cosmetologist should take?

A.Continue the service and address the cut afterward

B.Stop the service, put on gloves, and apply antiseptic and a bandage

C.Ask the client to apply pressure while finishing the service

D.Disinfect the tool and continue working

Explanation: When an accidental cut occurs, the cosmetologist must immediately stop the service, put on gloves (to protect against bloodborne pathogens), apply an EPA-registered antiseptic, and bandage the wound. The contaminated tool must be properly disinfected before reuse. Continuing the service before addressing the cut violates infection control protocols.

6Which type of infection can be spread through contaminated salon implements, such as nail files or combs?

A.Systemic infection

B.Congenital infection

C.Local infection

D.Autoimmune infection

Explanation: A local infection is confined to a specific area of the body, such as a cut that becomes infected. Contaminated salon implements can introduce bacteria, fungi, or viruses into broken skin, causing local infections. This is why proper cleaning and disinfection of all implements between clients is essential. Systemic infections affect the whole body, and congenital infections are present at birth.

7Rod-shaped bacteria that can cause conditions such as tetanus, typhoid fever, and tuberculosis are known as:

A.Cocci

B.Spirilla

C.Bacilli

D.Diplococci

Explanation: Bacilli are rod-shaped bacteria. They are the most common type of bacteria and include the organisms responsible for tetanus (Clostridium tetani), typhoid fever (Salmonella typhi), and tuberculosis (Mycobacterium tuberculosis). Cocci are round, spirilla are spiral/corkscrew-shaped, and diplococci are cocci that grow in pairs.

8What is the correct order of decontamination from the lowest to the highest level?

A.Sterilization, disinfection, sanitation

B.Sanitation, disinfection, sterilization

C.Disinfection, sanitation, sterilization

D.Sanitation, sterilization, disinfection

Explanation: The three levels of decontamination from lowest to highest are: sanitation (cleaning to reduce germs), disinfection (killing most pathogens on nonporous surfaces), and sterilization (destroying all microbial life including spores). In a salon, sterilization is typically only achieved with an autoclave. Most salon implements require disinfection after cleaning.

9An EPA-registered, hospital-grade disinfectant is required for salon use primarily because it:

A.Is less expensive than other disinfectants

B.Has a pleasant scent that clients prefer

C.Is effective against bacteria, fungi, and viruses including HIV and HBV

D.Does not need contact time to be effective

Explanation: EPA-registered, hospital-grade disinfectants are required because they are proven effective against a broad spectrum of pathogens including bacteria, fungi, and viruses such as HIV and Hepatitis B. The EPA registration ensures the product has been tested and verified for its disinfecting claims. All disinfectants require proper contact time to be effective.

10Which of the following statements about quaternary ammonium compounds (quats) used in salons is TRUE?

A.Quats are effective disinfectants when used at proper concentration and contact time

B.Quats can sterilize implements if left soaking overnight

C.Quats are only effective against bacteria and not viruses

D.Quats do not require dilution before use

Explanation: Quaternary ammonium compounds (quats) are effective salon disinfectants when used at the proper concentration and allowed adequate contact time as specified on the product label. They are effective against bacteria, fungi, and certain viruses. However, quats cannot achieve sterilization regardless of soak time. They must be mixed according to manufacturer directions for proper efficacy.

About the Cosmetology Exam

The State Cosmetology Licensing Exam is a comprehensive examination required to become a licensed cosmetologist. It covers hair services, skin care, nail care, sanitation, anatomy, and chemistry. Most states use the NIC National Cosmetology Theory Examination or a similar state-specific version.

Exam sponsor: State Board of Cosmetology / PSI / Pearson VUE. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Questions

110 questions

Time Limit

90 minutes

Passing Score

70-75%

Exam / Certification Fees

$50-150

Exam sponsor website

Reported exam pass rate: 60-70%. varies by state This describes exam candidates, not OpenExamPrep users or results from using our resources. Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Official sources

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

35%

Scientific Concepts

Infection control and safety practices, human anatomy and physiology, and basic chemistry used in cosmetology

45%

Hair Care and Services

Client consultation, tools, hair care, hair design, and chemical services

10%

Skin Care and Services

Client consultation, tools, facials, hair removal, makeup application, and electrical equipment

10%

Nail Care and Services

Client consultation, tools, manicures, pedicures, and nail enhancements

Preparing for the Cosmetology Exam

What You Need to Know

Passing score: 70-75%
Exam length: 110 questions
Time limit: 90 minutes
Exam / certification fees: $50-150 Official sources

Using Our Practice Resources

Work through all 208 available questions
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Cosmetology: Suggested Study Strategy

1Focus heavily on Scientific Concepts, which include sanitation and infection control — they are 35% of the NIC theory exam

2Know the three levels of infection control: sterilization, disinfection, and sanitation

3Study color theory and the color wheel for haircoloring questions

4Understand the pH scale and how it relates to hair and chemical services

5Learn the different hair types and how they affect chemical service outcomes

Frequently Asked Questions

How many hours of training are required for cosmetology?

Each state sets its own requirement. California, New York, and Texas require 1,000 hours, Florida 1,200, Georgia 1,500, Iowa 1,550, Idaho 1,600, and Hawaii and Nebraska 1,800. Check your state board for the current figure.

What is the passing score for the Cosmetology exam?

Most states require a passing score of 70-75% on the written theory exam. The NIC theory exam has 110 items, 100 of them weighted, with a 90-minute time limit. Some states also require a separate practical exam.

How long is a cosmetology license valid?

Cosmetology licenses typically need to be renewed every 1-2 years depending on your state. Most states require continuing education hours (typically 4-8 hours) for license renewal.

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