Course outline
Module 1
Module 1: Topic 1
Topic 1
Knowledge check
Q1. What is the primary structural component of hair?
- A. Keratin ✓
- B. Collagen
- C. Elastin
- D. Melanin
Why: Hair is primarily composed of a protein called keratin, which provides strength and structure.
Q2. Which part of the hair is responsible for giving it color?
- A. Cuticle
- B. Cortex ✓
- C. Medulla
- D. Shaft
Why: The cortex contains melanin, the pigment responsible for hair color.
Q3. What is the function of the cuticle in hair?
- A. To produce melanin
- B. To protect the hair shaft ✓
- C. To provide elasticity
- D. To regulate hair growth
Why: The cuticle is the outermost layer of the hair shaft and serves as a protective barrier.
Q4. Which of the following is a common cause of hair breakage?
- A. Regular trims
- B. Over-washing ✓
- C. Using a wide-tooth comb
- D. Moisturizing
Why: Over-washing can strip hair of its natural oils, leading to dryness and breakage.
Q5. What is the main purpose of hair conditioning treatments?
- A. To add volume
- B. To strengthen the hair shaft ✓
- C. To remove split ends
- D. To increase hair growth
Why: Conditioning treatments help to strengthen the hair shaft by replenishing moisture and smoothing the cuticle.
Module 2
Module 2: Topic 2
Topic 2
Knowledge check
Q1. What is the primary protein found in hair?
- A. Keratin ✓
- B. Collagen
- C. Elastin
- D. Myosin
Why: Keratin is the primary structural protein in hair, providing strength and resilience.
Q2. Which layer of the hair shaft is responsible for the hair's strength and structure?
- A. Cuticle
- B. Cortex ✓
- C. Medulla
- D. Epidermis
Why: The cortex is the middle layer of the hair shaft and is responsible for the hair's strength, elasticity, and color.
Q3. What is the function of the cuticle in the hair shaft?
- A. To produce melanin
- B. To protect the cortex ✓
- C. To provide elasticity
- D. To absorb moisture
Why: The cuticle is the outermost layer of the hair shaft and serves as a protective barrier for the cortex.
Q4. Which of the following is a common cause of hair breakage?
- A. Regular trims
- B. Overuse of heat styling tools ✓
- C. Balanced diet
- D. Proper hydration
Why: Overuse of heat styling tools can damage the hair shaft, leading to breakage and split ends.
Q5. What is the main purpose of using a leave-in conditioner?
- A. To add volume
- B. To provide moisture and protection ✓
- C. To remove dandruff
- D. To enhance hair color
Why: Leave-in conditioners are used to provide moisture, protect the hair from damage, and improve manageability.
Module 3
Module 3: Topic 3
Topic 3
Knowledge check
Q1. What is the primary protein found in hair?
- A. Keratin ✓
- B. Collagen
- C. Elastin
- D. Myosin
Why: Keratin is the primary structural protein in hair, providing strength and resilience.
Q2. Which layer of the hair shaft is responsible for the hair's color and strength?
- A. Cuticle
- B. Cortex ✓
- C. Medulla
- D. Shaft
Why: The cortex contains melanin, which gives hair its color, and provides the majority of the hair's strength.
Q3. What is the function of the cuticle in the hair shaft?
- A. To produce melanin
- B. To protect the cortex ✓
- C. To provide elasticity
- D. To absorb moisture
Why: The cuticle is the outermost layer of the hair shaft and serves as a protective barrier for the cortex.
Q4. Which of the following can damage the cuticle of the hair?
- A. Regular shampooing
- B. Heat styling
- C. Sunlight
- D. All of the above ✓
Why: Excessive heat, frequent washing, and exposure to sunlight can all damage the cuticle over time.
Q5. What is the main function of sebum in hair care?
- A. To add color to hair
- B. To protect and moisturize the hair ✓
- C. To strengthen the hair shaft
- D. To remove dirt from the hair
Why: Sebum is an oily substance produced by the scalp that helps to protect and moisturize the hair and scalp.
Module 4
Module 4: Topic 4
Topic 4
Knowledge check
Q1. What is the primary function of the cuticle layer in hair structure?
- A. To produce melanin
- B. To protect the hair shaft ✓
- C. To add moisture to the hair
- D. To provide elasticity
Why: The cuticle layer acts as a protective outer layer, helping to maintain the integrity and health of the hair shaft.
Q2. Which component of hair is responsible for determining its color?
- A. Medulla
- B. Cortex ✓
- C. Cuticle
- D. Shaft
Why: The cortex contains melanin, which is responsible for hair color.
Q3. What is the main protein found in hair?
- A. Collagen
- B. Keratin ✓
- C. Elastin
- D. Myosin
Why: Keratin is the primary structural protein in hair, providing strength and resilience.
Q4. Which of the following is a common cause of hair breakage?
- A. Regular trims
- B. Excessive heat styling ✓
- C. Using a wide-tooth comb
- D. Drinking plenty of water
Why: Excessive heat styling can weaken the hair structure, leading to breakage.
Q5. What is the function of sebum in hair care?
- A. To add color to hair
- B. To protect and lubricate the hair shaft ✓
- C. To remove dirt from the scalp
- D. To strengthen the hair follicle
Why: Sebum acts as a natural conditioner, helping to protect and lubricate the hair shaft.
Module 5
Module 5: Topic 5
Topic 5
Knowledge check
Q1. What is the primary protein found in hair?
- A. Keratin ✓
- B. Collagen
- C. Elastin
- D. Myosin
Why: Keratin is the main structural protein in hair, providing strength and resilience.
Q2. Which layer of the hair shaft is responsible for the hair's color and strength?
- A. Cuticle
- B. Cortex ✓
- C. Medulla
- D. Shaft
Why: The cortex contains melanin, which gives hair its color, and also provides strength and elasticity.
Q3. What is the function of the cuticle in the hair shaft?
- A. To produce melanin
- B. To protect the hair shaft ✓
- C. To provide elasticity
- D. To absorb moisture
Why: The cuticle is the outermost layer of the hair shaft and serves as a protective barrier.
Q4. Which of the following is a common cause of hair breakage?
- A. Regular trims
- B. Overuse of heat styling tools ✓
- C. Drinking enough water
- D. Using a wide-tooth comb
Why: Overuse of heat styling tools can weaken the hair structure, leading to breakage.
Q5. What is the purpose of using a conditioner after shampooing?
- A. To remove oil from the hair
- B. To add moisture and smooth the cuticle ✓
- C. To increase hair growth
- D. To prevent dandruff
Why: Conditioners help to add moisture, reduce frizz, and smooth the hair cuticle for healthier hair.
Module 6
Module 6: Topic 6
Topic 6
Knowledge check
Q1. What is the primary function of the cuticle layer in hair structure?
- A. To produce melanin
- B. To protect the hair shaft ✓
- C. To provide strength to the hair
- D. To regulate hair growth
Why: The cuticle layer acts as a protective outer layer that shields the hair shaft from damage and environmental factors.
Q2. Which component of hair is responsible for its strength and elasticity?
- A. Cuticle
- B. Medulla
- C. Cortex ✓
- D. Root
Why: The cortex contains keratin proteins and melanin, giving hair its strength, elasticity, and color.
Q3. What is the role of sebum in hair care?
- A. To strengthen the hair shaft
- B. To lubricate and protect the hair ✓
- C. To remove dead skin cells
- D. To increase hair growth
Why: Sebum acts as a natural conditioner, lubricating the hair and protecting it from dryness and friction.
Q4. Which of the following is a common cause of hair breakage?
- A. Regular trims
- B. Excessive heat styling ✓
- C. Using sulfate-free shampoos
- D. Drinking plenty of water
Why: Excessive heat styling can damage the hair cuticle and lead to breakage, especially when used frequently without proper protection.
Q5. What is the main protein found in hair?
- A. Collagen
- B. Keratin ✓
- C. Elastin
- D. Myosin
Why: Keratin is the primary structural protein in hair, providing strength and resilience.
Module 7
Module 7: Topic 7
Topic 7
Knowledge check
Q1. What is the primary structural component of hair?
- A. Keratin ✓
- B. Melanin
- C. Collagen
- D. Elastin
Why: Hair is primarily composed of a protein called keratin, which provides strength and structure.
Q2. Which part of the hair shaft is responsible for color?
- A. Cuticle
- B. Cortex ✓
- C. Medulla
- D. Shaft
Why: The cortex contains melanin, the pigment responsible for hair color.
Q3. What is the function of the cuticle in hair?
- A. To produce melanin
- B. To protect the hair shaft ✓
- C. To provide elasticity
- D. To absorb moisture
Why: The cuticle is the outer layer of the hair shaft and serves as a protective barrier.
Q4. Which of the following is a common cause of hair breakage?
- A. Regular trims
- B. Heat styling ✓
- C. Protein treatments
- D. Hydration
Why: Excessive use of heat styling tools can lead to hair breakage and damage.
Q5. What is the main purpose of using a conditioner?
- A. To add color
- B. To strengthen the cuticle ✓
- C. To remove oil
- D. To increase hair length
Why: Conditioners help to smooth and strengthen the cuticle, improving hair manageability and reducing breakage.