Cosmetology TDLR Exam Questions
and Answers | Latest Version |
2025/2026 | Correct & Verified
What is the main purpose of shampooing the hair?
✔✔ To cleanse the scalp and hair by removing dirt, oil, and product buildup.
Why is a client consultation important before any cosmetology service?
✔✔ To understand the client’s needs, hair or skin condition, and any medical or chemical history.
What does pH balance mean in hair and skin products?
✔✔ The level of acidity or alkalinity that affects hair and skin health.
Why should tools be disinfected after each client?
✔✔ To prevent the spread of bacteria, fungi, and infections.
What is the function of conditioner?
✔✔ To restore moisture, smooth the cuticle, and improve manageability.
What part of the hair is responsible for strength and elasticity?
✔✔ The cortex.
Why should a patch test be done before chemical services?
1
,✔✔ To check for allergic reactions or skin sensitivity.
What is the purpose of sectioning hair during a haircut?
✔✔ To ensure even cutting and better control.
What does exfoliation do for the skin?
✔✔ Removes dead skin cells and improves skin texture.
Why is it important to wear gloves during chemical services?
✔✔ To protect the skin from irritation and chemical burns.
What is the role of melanin in hair?
✔✔ It gives hair its natural color.
What does toning shampoo help correct?
✔✔ Unwanted brassy or yellow tones in blonde or gray hair.
Why should a client’s hair be dry before applying lightener?
✔✔ To ensure even and predictable results.
What is the purpose of a facial massage?
✔✔ To improve circulation and relax facial muscles.
2
, Why should towels be laundered after each use?
✔✔ To maintain sanitation and prevent contamination.
What does porosity describe in hair?
✔✔ The hair’s ability to absorb and retain moisture.
Why should you never double-dip into wax?
✔✔ To prevent cross-contamination and infection.
What is the main benefit of a leave-in conditioner?
✔✔ Provides ongoing moisture and protection without rinsing.
What does the cuticle layer of hair do?
✔✔ Protects the inner layers of the hair shaft.
Why should a client remove jewelry before a service?
✔✔ To prevent chemical damage and ensure safety.
What is the purpose of a clarifying shampoo?
✔✔ To remove heavy buildup and residue.
3
and Answers | Latest Version |
2025/2026 | Correct & Verified
What is the main purpose of shampooing the hair?
✔✔ To cleanse the scalp and hair by removing dirt, oil, and product buildup.
Why is a client consultation important before any cosmetology service?
✔✔ To understand the client’s needs, hair or skin condition, and any medical or chemical history.
What does pH balance mean in hair and skin products?
✔✔ The level of acidity or alkalinity that affects hair and skin health.
Why should tools be disinfected after each client?
✔✔ To prevent the spread of bacteria, fungi, and infections.
What is the function of conditioner?
✔✔ To restore moisture, smooth the cuticle, and improve manageability.
What part of the hair is responsible for strength and elasticity?
✔✔ The cortex.
Why should a patch test be done before chemical services?
1
,✔✔ To check for allergic reactions or skin sensitivity.
What is the purpose of sectioning hair during a haircut?
✔✔ To ensure even cutting and better control.
What does exfoliation do for the skin?
✔✔ Removes dead skin cells and improves skin texture.
Why is it important to wear gloves during chemical services?
✔✔ To protect the skin from irritation and chemical burns.
What is the role of melanin in hair?
✔✔ It gives hair its natural color.
What does toning shampoo help correct?
✔✔ Unwanted brassy or yellow tones in blonde or gray hair.
Why should a client’s hair be dry before applying lightener?
✔✔ To ensure even and predictable results.
What is the purpose of a facial massage?
✔✔ To improve circulation and relax facial muscles.
2
, Why should towels be laundered after each use?
✔✔ To maintain sanitation and prevent contamination.
What does porosity describe in hair?
✔✔ The hair’s ability to absorb and retain moisture.
Why should you never double-dip into wax?
✔✔ To prevent cross-contamination and infection.
What is the main benefit of a leave-in conditioner?
✔✔ Provides ongoing moisture and protection without rinsing.
What does the cuticle layer of hair do?
✔✔ Protects the inner layers of the hair shaft.
Why should a client remove jewelry before a service?
✔✔ To prevent chemical damage and ensure safety.
What is the purpose of a clarifying shampoo?
✔✔ To remove heavy buildup and residue.
3
