Cosmetology Hair Coloring and Color Theory 2

Question 1

Which type of hair color only coats the outside of the hair shaft and typically fades within 4–6 shampoos?

Accepted Answer

Temporary color

Answer

Permanent color

Answer

Semi-permanent color

Answer

Demi-permanent color

Question 2

How does permanent hair color deposit color into the hair?

Accepted Answer

It opens the cuticle and deposits color into the cortex

Answer

It coats the outside of the hair shaft with large pigment molecules

Answer

It adheres color only to the surface of the hair

Answer

It fills porous areas of the hair with synthetic dye

Question 3

What developer strength (volume) is most commonly used when applying permanent color to cover gray hair?

Accepted Answer

20 volume

Answer

10 volume

Answer

30 volume

Answer

40 volume

Question 4

A double-process color service involves which two steps?

Accepted Answer

Pre-lightening the hair and then applying toner or haircolor

Answer

Applying two permanent colors simultaneously to the hair

Answer

Applying semi-permanent color twice for greater color depth

Answer

Using two different developer volumes in one application

Question 5

Demi-permanent (deposit-only) color differs from permanent color primarily because it uses:

Accepted Answer

A very low-volume hydrogen peroxide developer

Answer

Ammonia as its primary alkaline agent

Answer

No oxidizing agent of any kind

Answer

A higher concentration of synthetic dyes

Question 6

What is the purpose of performing a strand test before a hair color service?

Accepted Answer

To determine processing time and preview the color result

Answer

To check for allergic reactions to the hair color

Answer

To measure the hair's porosity before coloring

Answer

To assess the hair's elasticity before applying chemicals

Question 7

How far in advance of a chemical hair color service should a patch (predisposition) test be performed?

Accepted Answer

24–48 hours before

Answer

1 hour before

Answer

12–24 hours before

Answer

72 hours before