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Key Facts: DC Master Esthetician Exam

600 hours

Master esthetics training required in DC beyond the basic esthetician license

DC Board of Barber and Cosmetology

75%

Approximate passing score on the NIC Advanced Esthetics written exam

NIC

Written only

DC administers the NIC Advanced Esthetics written exam with no separate practical for the master tier

DC Board of Barber and Cosmetology

~110 items

Approximate length of the NIC Advanced Esthetics written exam, about 100 scored

NIC

40% / 60%

NIC Advanced blueprint split between Scientific Concepts and Services

NIC Advanced Esthetics blueprint

90 minutes

Typical time limit for the NIC Advanced Esthetics written examination

NIC

DLCP

DC Department of Licensing and Consumer Protection houses the Board of Barber and Cosmetology

DLCP

To earn a DC Master Esthetician license you must first hold a DC esthetician license and then complete 600 hours of master esthetics training. The District administers the NIC National Advanced Esthetics WRITTEN exam only — there is no separate practical for this tier in DC. The written test is roughly 110 items (about 100 scored) split between Scientific Concepts (~40%) and Services (~60%), with a passing score around 75%. Licensing is overseen by the DC Board of Barber and Cosmetology within the Department of Licensing and Consumer Protection (DLCP).

Sample DC Master Esthetician Practice Questions

Try these sample questions to review concepts for the DC Master Esthetician exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 200+ question experience with AI tutoring.

1Which layer of the epidermis is responsible for producing new keratinocytes through mitosis?

A.Stratum basale

B.Stratum corneum

C.Stratum lucidum

D.Stratum granulosum

Explanation: The stratum basale (basal layer) is the deepest epidermal layer, where keratinocytes divide by mitosis and then migrate upward. Melanocytes and Merkel cells also reside here. Understanding this layer is essential when judging chemical peel depth.

2A glycolic acid peel is classified as which type of chemical exfoliant?

A.Alpha hydroxy acid (AHA)

B.Beta hydroxy acid (BHA)

C.Polyhydroxy acid blend only

D.Enzymatic exfoliant

Explanation: Glycolic acid is an alpha hydroxy acid (AHA) derived from sugar cane and has the smallest molecular size of the AHAs, allowing deep penetration. It is water soluble and works primarily on the skin surface to loosen corneocyte bonds.

3Under the OSHA Bloodborne Pathogens Standard, what must an employer offer at no cost to estheticians with occupational exposure risk?

A.Hepatitis B vaccination

B.Paid continuing education

C.Annual physical examinations

D.Professional liability insurance

Explanation: OSHA requires employers to offer the hepatitis B vaccination series free of charge to employees with reasonably anticipated occupational exposure to blood. Advanced esthetics services such as dermaplaning and deep peels increase that exposure risk.

4Which agency houses the DC Board of Barber and Cosmetology that licenses master estheticians?

A.DC Department of Licensing and Consumer Protection (DLCP)

B.DC Department of Health

C.DC Department of Employment Services

D.DC Office of the State Superintendent of Education

Explanation: The DC Board of Barber and Cosmetology operates within the Department of Licensing and Consumer Protection (DLCP), which administers occupational and professional licensing in the District. The Board sets esthetics scope, training, and exam requirements.

5Microdermabrasion using aluminum oxide crystals primarily exfoliates which skin structure?

A.The stratum corneum

B.The reticular dermis

C.The subcutaneous fat layer

D.The arrector pili muscle

Explanation: Microdermabrasion is a superficial mechanical exfoliation that removes the outermost stratum corneum, stimulating cell turnover and improving texture. It does not penetrate to living dermal tissue when performed within esthetic scope.

6During laser hair reduction, which phase of the hair growth cycle is the most effective target?

A.Telogen (resting)

B.Catagen (transition)

C.Anagen (active growth)

D.Exogen (shedding)

Explanation: Anagen is the active growth phase when the hair shaft is fully connected to the dermal papilla and richest in melanin, making it the optimal target for selective photothermolysis. Because only a portion of hairs are in anagen at once, multiple sessions are required.

7Which prerequisite must a candidate satisfy before sitting for the DC Master Esthetician written exam?

A.A bachelor's degree in dermatology

B.Two years of medical assisting experience

C.A DC esthetician license plus 600 hours of master esthetics training

D.A DC barber license plus 1,000 hours of training

Explanation: DC requires the candidate to already hold an esthetician license and then complete 600 additional hours of master (advanced) esthetics training before testing. The master tier builds on the basic license rather than replacing it.

8What is the function of melanin produced by melanocytes in the epidermis?

A.To regulate body temperature through sweat

B.To produce sebum for lubrication

C.To protect skin cells from ultraviolet radiation damage

D.To transmit sensory touch signals

Explanation: Melanin absorbs and scatters ultraviolet radiation, shielding keratinocyte DNA from photodamage. Melanocytes transfer melanosomes to surrounding keratinocytes, and melanin output partly determines a client's Fitzpatrick type and peel risk.

9A Jessner's solution peel typically contains lactic acid, salicylic acid, and which additional ingredient?

A.Trichloroacetic acid

B.Phenol

C.Resorcinol

D.Hydroquinone

Explanation: Classic Jessner's solution combines lactic acid, salicylic acid, and resorcinol in an ethanol base, producing a superficial to medium peel depending on the number of coats applied. Resorcinol enhances penetration and exfoliation.

10On the Fitzpatrick scale, which skin type carries the highest risk of post-inflammatory hyperpigmentation after a chemical peel?

A.Type I

B.Type II

C.Type III

D.Type V

Explanation: Higher Fitzpatrick types (IV, V, VI) have more reactive melanocytes and a greater tendency to develop post-inflammatory hyperpigmentation after trauma such as a peel. Estheticians should choose conservative depths and pretreat with melanin-suppressing agents for these clients.

About the DC Master Esthetician Exam

The DC Master Esthetician exam is the NIC National Advanced Esthetics written examination, covering advanced skin science, chemical peels, microdermabrasion, electrotherapy and light-based devices, lymphatic drainage, sanitation, and DC Board of Barber and Cosmetology rules.

Exam sponsor: DC Board of Barber and Cosmetology (DLCP). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Questions

100 questions

Time Limit

90 minutes

Passing Score

75%

Exam / Certification Fees

Exam fee varies

Exam sponsor website

Reported exam pass rate: Not published. DC does not publish a master esthetician first-time pass rate Exam sponsor website

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

Official sources

DC Board of Barber and Cosmetology

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.

32%

Scientific Concepts

Skin histology, anatomy and physiology, skin disorders, cosmetic chemistry and ingredients, Fitzpatrick scale and aging

48%

Advanced Services

Chemical peels and acid chemistry, microdermabrasion and dermaplaning, electrotherapy devices, laser/IPL physics and the hair cycle, advanced facials and body treatments, lymphatic drainage, pre- and post-procedure care

10%

Sanitation & Infection Control

OSHA bloodborne pathogens standard, decontamination levels, disinfection and sterilization, exposure incident procedures

10%

DC Law & Rules

DC Board of Barber and Cosmetology / DLCP authority, written-only master esthetician requirement, 600-hour training, scope of practice, licensing and renewal

Preparing for the DC Master Esthetician Exam

What You Need to Know

Passing score: 75%
Exam length: 100 questions
Time limit: 90 minutes
Exam / certification fees: Exam fee varies Official sources

Using Our Practice Resources

Work through all 200 available questions
Review every answer and explanation
Track weak areas and revisit them
Use our AI tutor for tough concepts

DC Master Esthetician: Suggested Study Strategy

1Memorize chemical peel acids (glycolic, lactic, salicylic, TCA, Jessner's) by pH, depth, and indicated skin type — this is heavily weighted on the Services section.

2Master the hair growth cycle (anagen, catagen, telogen) and which phase laser and IPL hair reduction targets, plus chromophore and wavelength selectivity.

3Drill skin histology and the layers of the epidermis and dermis so you can connect treatment depth to anatomy on the Scientific Concepts questions.

4Learn the OSHA bloodborne pathogens standard and the decontamination hierarchy (sanitation, disinfection, sterilization) cold — these recur on advanced exams.

5Review the DC Board of Barber and Cosmetology scope rules, the written-only master requirement, and the 600-hour training prerequisite before test day.

Frequently Asked Questions

How is the DC Master Esthetician license different from a basic esthetician license?

A basic DC esthetician license covers standard skin care, facials, and hair removal. The master (advanced) tier requires holding the basic license plus 600 additional hours of master esthetics training and expands scope to chemical peels, microdermabrasion, dermaplaning, and advanced devices.

Is there a practical exam for the DC Master Esthetician license?

No. The District of Columbia uses the NIC National Advanced Esthetics WRITTEN examination only for the master tier — there is no separate hands-on practical required at this level in DC.

How many training hours are required for the DC Master Esthetician license?

You must complete 600 hours of master (advanced) esthetics training at an approved school, on top of already holding a DC esthetician license.

How long should I study for the DC Master Esthetician exam?

Most candidates study 3-6 weeks, focusing on advanced chemistry, chemical peels, light-based devices, and the NIC Advanced Esthetics blueprint. Working through full-length practice exams is the most effective preparation.

Who administers the DC Master Esthetician license?

The DC Board of Barber and Cosmetology, housed within the Department of Licensing and Consumer Protection (DLCP), regulates esthetics licensing in the District of Columbia.