ABA ABA Color Theory & Hair Coloring 2 — Questions and Answers
Question 1: What is the function of hydrogen peroxide in a hair color formula?
- It conditions the hair shaft
- It activates the color and lifts the natural pigment (Correct answer)
- It neutralizes the alkaline color
- It seals the cuticle after coloring
Correct answer: It activates the color and lifts the natural pigment
Hydrogen peroxide (developer) activates the color agents and opens the cuticle to allow lightening or deposit of new pigment.
Question 2: When would a barber use a 40-volume developer?
- For deposit-only coloring
- For gray coverage on dark hair
- For maximum lightening with bleach (Correct answer)
- For toning pre-lightened hair
Correct answer: For maximum lightening with bleach
40-volume developer provides maximum lift and is typically used with bleach for significant lightening.
Question 3: What complementary color is used to neutralize unwanted orange tones in hair?
- Yellow
- Blue (Correct answer)
- Red
- Green
Correct answer: Blue
Blue is the complement of orange on the color wheel, so blue-based toners neutralize brassy orange tones.
Question 4: What does 'double process' hair coloring mean?
- Applying two shades of the same color
- Lightening the hair first, then applying a toner or color in a separate step (Correct answer)
- Using twice the amount of developer
- Coloring the hair two days in a row
Correct answer: Lightening the hair first, then applying a toner or color in a separate step
Double process involves lightening the hair in one step and then applying a separate toner or color in a second step.
Question 5: Which hair color type coats the outside of the hair shaft and does not penetrate the cortex?
- Permanent color
- Demi-permanent color
- Semi-permanent color
- Temporary (rinse) color (Correct answer)
Correct answer: Temporary (rinse) color
Temporary (rinse) color coats only the cuticle layer and washes out after one or two shampoos without penetrating the cortex.
Question 6: What is the main active ingredient that bleaches hair in a lightening product?
- Ammonium thioglycolate
- Sodium hydroxide
- Hydrogen peroxide (Correct answer)
- Potassium bromate
Correct answer: Hydrogen peroxide
Hydrogen peroxide is the active lightening agent that breaks down melanin in the hair shaft during a bleaching service.
ABA ABA Color Theory & Hair Coloring 2
What is the function of hydrogen peroxide in a hair color formula?