Texas Esthetician Skin Care & Skin Analysis 2026/2027 |
TDLR Texas Esthetician Exam Study Guide & Practice
Questions | Texas PSI Esthetician Skin Care & Skin Analysis
Review, Skin Types, Skin Conditions & Disorders, Skin
Structure & Physiology, Client Consultation,
Contraindications, Facial Treatments, Cleansing, Exfoliation,
Masks, Massage Manipulations, Skin Care Products &
Product Chemistry, Treatment Selection, Skin Care Tools &
Devices, Infection Control, Safety, Chemical Exfoliation,
Microdermabrasion, Electrotherapy & Detailed Rationales
Question 1: Which layer of the epidermis contains stem cells
responsible for continuous cell division and skin renewal?
A. Stratum corneum
B. Stratum lucidum
C. Stratum granulosum
D. Stratum basale
CORRECT ANSWER: D. Stratum basale
Rationale: The stratum basale (also called stratum germinativum) is the
deepest layer of the epidermis and contains the only cells in this layer
capable of mitosis. These stem cells continuously divide to produce new
keratinocytes that migrate upward, replacing cells shed from the skin
surface. This regenerative capacity is fundamental to skin health and the
esthetician's understanding of exfoliation and cell turnover.
Question 2: What is the primary function of melanin in the skin?
A. To provide structural support to the dermis
B. To protect against ultraviolet radiation damage
C. To produce sebum for lubrication
D. To regulate body temperature through sweat production
CORRECT ANSWER: B. To protect against ultraviolet radiation
damage
Rationale: Melanin is produced by melanocytes in the stratum basale and
functions as the skin's natural defense against UV radiation. It absorbs and
scatters UV rays, protecting the DNA of epidermal cells from damage that
could lead to premature aging and skin cancer. Understanding melanin's
photoprotective role is essential for recommending appropriate sun
protection strategies to clients.
,Question 3: Which skin type is characterized by excess sebum
production, enlarged pores, and a shiny appearance?
A. Dry skin
B. Normal skin
C. Oily skin
D. Sensitive skin
CORRECT ANSWER: C. Oily skin
Rationale: Oily skin results from overactive sebaceous glands producing
excess sebum. This leads to characteristic shine, particularly in the T-zone
and across the forehead, along with enlarged pores and increased
susceptibility to comedone formation and acne breakouts. Proper
identification of oily skin guides product selection toward oil-control and
non-comedogenic formulations.
Question 4: What is the primary purpose of a humectant in a
skincare product?
A. To exfoliate dead skin cells from the surface
B. To attract and bind moisture to the skin
C. To create a protective barrier preventing water loss
D. To reduce inflammation and redness
CORRECT ANSWER: B. To attract and bind moisture to the skin
Rationale: Humectants are hygroscopic ingredients that draw water from
the atmosphere and deeper skin layers into the stratum corneum. Common
examples include glycerin, hyaluronic acid, and propylene glycol. They
improve skin hydration and pliability but must be combined with occlusive
agents to prevent moisture loss through evaporation in dry environments.
Question 5: What is the primary difference between dehydrated
skin and dry skin?
A. Dehydrated skin lacks oil; dry skin lacks water
B. Dehydrated skin lacks water; dry skin lacks oil
C. Dehydrated skin is a genetic condition; dry skin is environmental
D. There is no significant difference between the two conditions
CORRECT ANSWER: B. Dehydrated skin lacks water; dry skin lacks
oil
,Rationale: Dehydrated skin is a temporary condition characterized by
insufficient water content and can affect any skin type, including oily skin.
Dry skin (alipidic skin) is a skin type characterized by underproduction of
sebum, compromising the skin's barrier function. This distinction is critical
for treatment planning, as dehydrated skin requires hydration while dry skin
requires both hydration and lipid replenishment.
Question 6: Which of the following is a contraindication for
performing a facial waxing service?
A. Client has dry, flaky skin on the cheeks
B. Client is using topical retinoids such as tretinoin
C. Client has a history of cold sores but no active outbreak
D. Client has fair skin with freckles
CORRECT ANSWER: B. Client is using topical retinoids such as
tretinoin
Rationale: Topical retinoids thin the epidermis and increase skin sensitivity,
significantly elevating the risk of skin lifting, tearing, and severe irritation
during waxing. Estheticians must screen for retinoid use and postpone
waxing until the client has discontinued the medication for the
recommended period, typically 5–7 days, or as directed by the prescribing
physician.
Question 7: What is the correct order of the three levels of
decontamination from least to most effective?
A. Disinfection, cleaning, sterilization
B. Cleaning, disinfection, sterilization
C. Sterilization, disinfection, cleaning
D. Disinfection, sterilization, cleaning
CORRECT ANSWER: B. Cleaning, disinfection, sterilization
Rationale: Cleaning is the first step and removes visible debris and many
microorganisms through soap and water or detergent. Disinfection follows
cleaning and uses EPA-registered chemicals to destroy most pathogenic
microorganisms on non-porous surfaces. Sterilization is the highest level
and destroys all microbial life, including bacterial spores, typically achieved
through autoclaving.
, Question 8: Which of the following skin conditions is a contagious
bacterial infection and contraindicates service?
A. Rosacea
B. Impetigo
C. Seborrheic dermatitis
D. Milia
CORRECT ANSWER: B. Impetigo
Rationale: Impetigo is a highly contagious bacterial skin infection caused by
Staphylococcus or Streptococcus bacteria, characterized by honey-colored
crusts and pustules. Estheticians must refuse service to clients with
impetigo and refer them to a physician for antibiotic treatment. Performing
services would risk spreading the infection to the esthetician and other
clients.
Question 9: What is the primary function of the acid mantle?
A. To produce melanin for UV protection
B. To regulate sebum production
C. To maintain the skin's protective barrier and pH balance
D. To stimulate collagen synthesis
CORRECT ANSWER: C. To maintain the skin's protective barrier
and pH balance
Rationale: The acid mantle is a thin, slightly acidic film on the skin's surface
composed of sebum, sweat, and lipids, with a normal pH of approximately
4.5–5.5. This acidic environment inhibits the growth of harmful bacteria and
fungi while supporting beneficial flora. Maintaining the acid mantle is
essential for skin health, as alkaline products can disrupt this barrier and
lead to dryness, irritation, and increased infection risk.
Question 10: Which of the following is the deepest layer of the
skin?
A. Epidermis
B. Dermis
C. Hypodermis
D. Stratum corneum
CORRECT ANSWER: C. Hypodermis
TDLR Texas Esthetician Exam Study Guide & Practice
Questions | Texas PSI Esthetician Skin Care & Skin Analysis
Review, Skin Types, Skin Conditions & Disorders, Skin
Structure & Physiology, Client Consultation,
Contraindications, Facial Treatments, Cleansing, Exfoliation,
Masks, Massage Manipulations, Skin Care Products &
Product Chemistry, Treatment Selection, Skin Care Tools &
Devices, Infection Control, Safety, Chemical Exfoliation,
Microdermabrasion, Electrotherapy & Detailed Rationales
Question 1: Which layer of the epidermis contains stem cells
responsible for continuous cell division and skin renewal?
A. Stratum corneum
B. Stratum lucidum
C. Stratum granulosum
D. Stratum basale
CORRECT ANSWER: D. Stratum basale
Rationale: The stratum basale (also called stratum germinativum) is the
deepest layer of the epidermis and contains the only cells in this layer
capable of mitosis. These stem cells continuously divide to produce new
keratinocytes that migrate upward, replacing cells shed from the skin
surface. This regenerative capacity is fundamental to skin health and the
esthetician's understanding of exfoliation and cell turnover.
Question 2: What is the primary function of melanin in the skin?
A. To provide structural support to the dermis
B. To protect against ultraviolet radiation damage
C. To produce sebum for lubrication
D. To regulate body temperature through sweat production
CORRECT ANSWER: B. To protect against ultraviolet radiation
damage
Rationale: Melanin is produced by melanocytes in the stratum basale and
functions as the skin's natural defense against UV radiation. It absorbs and
scatters UV rays, protecting the DNA of epidermal cells from damage that
could lead to premature aging and skin cancer. Understanding melanin's
photoprotective role is essential for recommending appropriate sun
protection strategies to clients.
,Question 3: Which skin type is characterized by excess sebum
production, enlarged pores, and a shiny appearance?
A. Dry skin
B. Normal skin
C. Oily skin
D. Sensitive skin
CORRECT ANSWER: C. Oily skin
Rationale: Oily skin results from overactive sebaceous glands producing
excess sebum. This leads to characteristic shine, particularly in the T-zone
and across the forehead, along with enlarged pores and increased
susceptibility to comedone formation and acne breakouts. Proper
identification of oily skin guides product selection toward oil-control and
non-comedogenic formulations.
Question 4: What is the primary purpose of a humectant in a
skincare product?
A. To exfoliate dead skin cells from the surface
B. To attract and bind moisture to the skin
C. To create a protective barrier preventing water loss
D. To reduce inflammation and redness
CORRECT ANSWER: B. To attract and bind moisture to the skin
Rationale: Humectants are hygroscopic ingredients that draw water from
the atmosphere and deeper skin layers into the stratum corneum. Common
examples include glycerin, hyaluronic acid, and propylene glycol. They
improve skin hydration and pliability but must be combined with occlusive
agents to prevent moisture loss through evaporation in dry environments.
Question 5: What is the primary difference between dehydrated
skin and dry skin?
A. Dehydrated skin lacks oil; dry skin lacks water
B. Dehydrated skin lacks water; dry skin lacks oil
C. Dehydrated skin is a genetic condition; dry skin is environmental
D. There is no significant difference between the two conditions
CORRECT ANSWER: B. Dehydrated skin lacks water; dry skin lacks
oil
,Rationale: Dehydrated skin is a temporary condition characterized by
insufficient water content and can affect any skin type, including oily skin.
Dry skin (alipidic skin) is a skin type characterized by underproduction of
sebum, compromising the skin's barrier function. This distinction is critical
for treatment planning, as dehydrated skin requires hydration while dry skin
requires both hydration and lipid replenishment.
Question 6: Which of the following is a contraindication for
performing a facial waxing service?
A. Client has dry, flaky skin on the cheeks
B. Client is using topical retinoids such as tretinoin
C. Client has a history of cold sores but no active outbreak
D. Client has fair skin with freckles
CORRECT ANSWER: B. Client is using topical retinoids such as
tretinoin
Rationale: Topical retinoids thin the epidermis and increase skin sensitivity,
significantly elevating the risk of skin lifting, tearing, and severe irritation
during waxing. Estheticians must screen for retinoid use and postpone
waxing until the client has discontinued the medication for the
recommended period, typically 5–7 days, or as directed by the prescribing
physician.
Question 7: What is the correct order of the three levels of
decontamination from least to most effective?
A. Disinfection, cleaning, sterilization
B. Cleaning, disinfection, sterilization
C. Sterilization, disinfection, cleaning
D. Disinfection, sterilization, cleaning
CORRECT ANSWER: B. Cleaning, disinfection, sterilization
Rationale: Cleaning is the first step and removes visible debris and many
microorganisms through soap and water or detergent. Disinfection follows
cleaning and uses EPA-registered chemicals to destroy most pathogenic
microorganisms on non-porous surfaces. Sterilization is the highest level
and destroys all microbial life, including bacterial spores, typically achieved
through autoclaving.
, Question 8: Which of the following skin conditions is a contagious
bacterial infection and contraindicates service?
A. Rosacea
B. Impetigo
C. Seborrheic dermatitis
D. Milia
CORRECT ANSWER: B. Impetigo
Rationale: Impetigo is a highly contagious bacterial skin infection caused by
Staphylococcus or Streptococcus bacteria, characterized by honey-colored
crusts and pustules. Estheticians must refuse service to clients with
impetigo and refer them to a physician for antibiotic treatment. Performing
services would risk spreading the infection to the esthetician and other
clients.
Question 9: What is the primary function of the acid mantle?
A. To produce melanin for UV protection
B. To regulate sebum production
C. To maintain the skin's protective barrier and pH balance
D. To stimulate collagen synthesis
CORRECT ANSWER: C. To maintain the skin's protective barrier
and pH balance
Rationale: The acid mantle is a thin, slightly acidic film on the skin's surface
composed of sebum, sweat, and lipids, with a normal pH of approximately
4.5–5.5. This acidic environment inhibits the growth of harmful bacteria and
fungi while supporting beneficial flora. Maintaining the acid mantle is
essential for skin health, as alkaline products can disrupt this barrier and
lead to dryness, irritation, and increased infection risk.
Question 10: Which of the following is the deepest layer of the
skin?
A. Epidermis
B. Dermis
C. Hypodermis
D. Stratum corneum
CORRECT ANSWER: C. Hypodermis
