Cosmetology Test Haircolor and Lightening 4

Question 1

What is the function of hydrogen peroxide in a permanent haircolor formula?

Accepted Answer

It activates the dye intermediates and lifts natural melanin

Answer

It deposits pigment directly into the cortex

Answer

It seals the cuticle after color processing

Answer

It neutralizes the ammonia in the color formula

Question 2

A cosmetologist is performing a color correction on a client whose hair was previously colored too dark. Which product is best used first?

Accepted Answer

A color remover or soap cap

Answer

A high-lift permanent color

Answer

A bleach bath (bleach and shampoo mixture)

Answer

A demi-permanent color in a lighter shade

Question 3

The term 'single-process color' refers to:

Accepted Answer

A one-step haircolor service that lightens and deposits color simultaneously

Answer

A coloring service that uses only one color formula on the entire head

Answer

A temporary color applied in a single coat

Answer

A service performed on previously uncolored hair only

Question 4

Which of the following is a characteristic of semi-permanent haircolor?

Accepted Answer

It coats the outside of the hair shaft and lasts 4-6 weeks

Answer

It requires a developer to deposit color

Answer

It penetrates the cortex and cannot be washed out

Answer

It lightens hair up to 3 levels

Question 5

What is the safest maximum time recommended for leaving bleach on the scalp?

Accepted Answer

45 minutes

Answer

15 minutes

Answer

30 minutes

Answer

60 minutes

Question 6

A client wants copper-red permanent color on naturally light blonde (level 9) hair. Which developer volume is most appropriate?

Accepted Answer

10-volume

Answer

20-volume

Answer

30-volume

Answer

40-volume

Question 7

What does the term 'porosity' refer to in haircoloring?

Accepted Answer

The hair's ability to absorb and retain moisture and color

Answer

The natural color depth of the hair

Answer

The number of hairs per square inch on the scalp

Answer

The elasticity of the hair strand when wet