Milady Chapter 21-Haircoloring Exam {QUESTIONS
WITH ALL ANSWERS 100% CORRECT}(2026 /
2027)(Verified by Experts)
MILADY – CHAPTER 21
HAIRCOLORING PRACTICE EXAM
QUESTIONS 1–10 (LONG • MOST TESTED • HIGH DIFFICULTY)
QUESTION 1 — Haircolor Chemistry (VERY HIGHLY TESTED)
Which statement BEST explains how permanent haircolor works?
A. It coats the hair shaft and washes out gradually
B. It removes artificial pigment only
C. It lifts natural pigment and deposits artificial pigment
D. It changes the cuticle without affecting the cortex
✅ Correct Answer: C
Explanation:
Permanent haircolor uses alkalizing agents (ammonia or substitutes) to open the cuticle and hydrogen
peroxide to both lighten natural pigment and deposit color molecules into the cortex.
QUESTION 2 — Developer Strength (COMMON EXAM TRAP)
What is the PRIMARY function of hydrogen peroxide in haircolor?
A. To open the cuticle
B. To neutralize unwanted tones
C. To oxidize melanin and develop color molecules
D. To condition the hair
✅ Correct Answer: C
,Explanation:
Hydrogen peroxide acts as an oxidizing agent, breaking down melanin and allowing permanent dye
molecules to form.
QUESTION 3 — Level System (STATE BOARD FAVORITE)
A client’s natural hair level is level 4 and the desired result is level 7.
How many levels of lift are required?
A. 1
B. 2
C. 3
D. 4
✅ Correct Answer: C
Explanation:
Level 4 → Level 7 = 3 levels of lift.
Counting levels correctly is a highly tested exam skill.
QUESTION 4 — Underlying Pigment (VERY TESTED)
When lightening natural hair from level 5 to level 8, which underlying pigment will be MOST visible?
A. Blue-violet
B. Red-orange
C. Yellow-orange
D. Pale yellow
✅ Correct Answer: C
Explanation:
Level 8 reveals yellow-orange underlying pigment, which must be neutralized appropriately.
QUESTION 5 — Neutralization Theory (CRITICAL CONCEPT)
To neutralize yellow-orange undertones, which tone should be added to the formula?
A. Green
B. Blue-violet
C. Red
D. Yellow
✅ Correct Answer: B
, Explanation:
On the color wheel:
• Yellow → Violet
• Orange → Blue
Yellow-orange requires a blue-violet base.
QUESTION 6 — Developer Selection (HIGH DIFFICULTY)
Which developer is MOST appropriate to lift natural hair 2–3 levels with permanent haircolor?
A. 10-volume
B. 20-volume
C. 30-volume
D. 40-volume
✅ Correct Answer: B
Explanation:
• 10-volume = deposit only
• 20-volume = 1–2 levels (sometimes 3)
• 30-volume = 3–4 levels
• 40-volume = high lift only
Milady exams favor 20-volume for standard lift with permanent color.
QUESTION 7 — Patch Test & Safety (STATE LAW FAVORITE)
A patch test is required when:
A. Using temporary haircolor
B. Performing a retouch service
C. Using an aniline derivative tint
D. Using shampoo
✅ Correct Answer: C
Explanation:
Patch tests are required for aniline derivative (oxidative) tints to check for allergic reactions.
QUESTION 8 — Porosity & Color Results (EXAM TRAP)
Highly porous hair will MOST likely:
WITH ALL ANSWERS 100% CORRECT}(2026 /
2027)(Verified by Experts)
MILADY – CHAPTER 21
HAIRCOLORING PRACTICE EXAM
QUESTIONS 1–10 (LONG • MOST TESTED • HIGH DIFFICULTY)
QUESTION 1 — Haircolor Chemistry (VERY HIGHLY TESTED)
Which statement BEST explains how permanent haircolor works?
A. It coats the hair shaft and washes out gradually
B. It removes artificial pigment only
C. It lifts natural pigment and deposits artificial pigment
D. It changes the cuticle without affecting the cortex
✅ Correct Answer: C
Explanation:
Permanent haircolor uses alkalizing agents (ammonia or substitutes) to open the cuticle and hydrogen
peroxide to both lighten natural pigment and deposit color molecules into the cortex.
QUESTION 2 — Developer Strength (COMMON EXAM TRAP)
What is the PRIMARY function of hydrogen peroxide in haircolor?
A. To open the cuticle
B. To neutralize unwanted tones
C. To oxidize melanin and develop color molecules
D. To condition the hair
✅ Correct Answer: C
,Explanation:
Hydrogen peroxide acts as an oxidizing agent, breaking down melanin and allowing permanent dye
molecules to form.
QUESTION 3 — Level System (STATE BOARD FAVORITE)
A client’s natural hair level is level 4 and the desired result is level 7.
How many levels of lift are required?
A. 1
B. 2
C. 3
D. 4
✅ Correct Answer: C
Explanation:
Level 4 → Level 7 = 3 levels of lift.
Counting levels correctly is a highly tested exam skill.
QUESTION 4 — Underlying Pigment (VERY TESTED)
When lightening natural hair from level 5 to level 8, which underlying pigment will be MOST visible?
A. Blue-violet
B. Red-orange
C. Yellow-orange
D. Pale yellow
✅ Correct Answer: C
Explanation:
Level 8 reveals yellow-orange underlying pigment, which must be neutralized appropriately.
QUESTION 5 — Neutralization Theory (CRITICAL CONCEPT)
To neutralize yellow-orange undertones, which tone should be added to the formula?
A. Green
B. Blue-violet
C. Red
D. Yellow
✅ Correct Answer: B
, Explanation:
On the color wheel:
• Yellow → Violet
• Orange → Blue
Yellow-orange requires a blue-violet base.
QUESTION 6 — Developer Selection (HIGH DIFFICULTY)
Which developer is MOST appropriate to lift natural hair 2–3 levels with permanent haircolor?
A. 10-volume
B. 20-volume
C. 30-volume
D. 40-volume
✅ Correct Answer: B
Explanation:
• 10-volume = deposit only
• 20-volume = 1–2 levels (sometimes 3)
• 30-volume = 3–4 levels
• 40-volume = high lift only
Milady exams favor 20-volume for standard lift with permanent color.
QUESTION 7 — Patch Test & Safety (STATE LAW FAVORITE)
A patch test is required when:
A. Using temporary haircolor
B. Performing a retouch service
C. Using an aniline derivative tint
D. Using shampoo
✅ Correct Answer: C
Explanation:
Patch tests are required for aniline derivative (oxidative) tints to check for allergic reactions.
QUESTION 8 — Porosity & Color Results (EXAM TRAP)
Highly porous hair will MOST likely:
