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Flashcards in Permanent Waving Test Q's Deck (59)
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0

The hairs strength, flexibility, shape memory, and color come from its:

Cortex layer

1

In permanent waving the term reducing agent is most closely associated with the:

Permanent wave solution

2

Amino acids are chemically joined end to end forming long chains by:

Peptide bonds

3

The layer of the hair that has the greatest effect on hair porosity is;

The cuticle layer

4

Cystine bonds are are the strongest of the cross bond found in the hair: true or false?

True

5

If even a few peptide bonds are broken, hair becomes:

Permanently damaged

6

Peptide bonds must be broken and reformed to permanently wave the hair?

True or false

False

7

The chemical cross bonds found in the hair are called

Cystine

8

The correct chemical name for cross linked sulphur bonds is:

Disulfide bonds

9

Which chemical bonds must be altered in order to permanently wave:

Cystine bonds

10

Permanent wave solution contains which of the following:

Ammonium thioglycolate

11

The cross bonds that are created by opposite electrical charges are called:

Hydrogen bonds

12

Hydrogen bonds are also called:

Physical bonds

13

In the hair, hydrogen bonds are usually broken with:

Water

14

Shampooing is a useful preparatory step in permanent waving since it will:

Increase absorption

15

When the processing of the hair in permanent waving has reached a satisfactory stage, the next step is to:

Rinse and blot the hair

16

The main purpose of the neutralizer is to:

Reform broken cystine bonds

17

Hydrogen bonds are reformed by:

Drying the hair

18

Simply wetting the hair is enough to break:

Hydrogen bonds

19

Which of the following elements is used in permanent waving solution as a reducing agent:

Hydrogen atoms

20

Permanent wave solutions is used to:

Split cystine bonds

21

Cold wave permanent wave solutions usually have a pH of:

9 to 10

22

All neutralizers have a pH of:

3 to 4

23

Neutralizer contains a:

Oxidizer

24

The main ingredients in permanent waving lotions is the:

Reducing agent

25

Ingredients in waving solution that increase cortex penetration are called:

Wetting agents

26

Never use any product until you have:

Read the instructions

27

When giving a permanent wave, which of the following types of hair would normally require the longest processing time:

Resistant hair

28

In permanent waving, the slipping of the keratin chains can be determined by the:

Test curl

29

Alkaline permanent wave solutions usually contain:

Ammonium thioglycolate