Chapter 20 Review Part 1~ Chemical Texture Services: Permanent Waving Flashcards Preview

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Flashcards in Chapter 20 Review Part 1~ Chemical Texture Services: Permanent Waving Deck (50)
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0
Q

Waves that process more quickly and produce firmer curls than true acid waves are considered to be ___.

A

Acid balanced

1
Q

A method of wrapping a permanent wave that is suitable for very long hair is the ___.

A

Double tool technique

2
Q

The action of waving lotion is to ___.

A

expand the hair

3
Q

The main active ingredient or reducing agent in alkaline perms is ___.

A

Ammonium Thioglycolate

4
Q

The main active ingredient in balanced waving lotion is ___.

A

Glycerol Monothioglycolate

5
Q

If hair breaks under fey slight strain, it has ___.

A

Little or no elasticity

6
Q

Hair texture describes the ___ of a single strand of hair and is classified as fine, medium, or coarse.

A

Diameter

7
Q

The degree to which hair absorbs the waving lotion is related to its ___.

A

Porosity

8
Q

Keratin proteins are made of long chains of ___ linked together end-to-end like beads.

A

Amino acids

9
Q

The chemical action of ___ breaks the disulfide bonds and softens the hair.

A

Waving lotion

10
Q

Straight rods are equal in ___.

A

diameter

11
Q

What type of hair is more fragile, easier to process, and more susceptible to damage from perm services?

A

Fine texture

12
Q

When hair has assumed the desired shape, the broken disulfide bonds must be ___ re-bonded.

A

Chemically

13
Q

Polypeptide chains are long chains of amino acids joined together by ___.

A

Peptide bonds

14
Q

The perm that is activated by heat created chemically within the product is known as ___.

A

Exothermic

15
Q

Bonds that are formed when the sulfur atoms in two adjacent polypeptide chains are joined together are ___.

A

Disulfide bonds

16
Q

___ rods, have a small diameter in the center area and gradually increase to their largest diameter at the ends, resulting in a tighter curl at the hair ends, with a loose, winder curl at the scalp.

A

Concave

17
Q

A perm activated by am outside heat source, usually a conventional hood dryer is known as ___.

A

Endothermic

18
Q

The basic perm wrap is also called a ___ wrap.

A

Straight set

19
Q

When the strand of hair is wrapped at an angle 90 degrees (perpendicular) to its base section, it will result in ___.

A

Half off-base

20
Q

What type of hair requires more processing than medium or fine hair and may also be more resistant to processing?

A

Coarse

21
Q

The ___ wrap uses zigzag partings to divide base areas.

A

Weave technique

22
Q

When the strand of hair is wrapped at an angle 45 degrees beyond perpendicular to its base section, it will result in ___.

A

On base

23
Q

The ___ wrap creates a movement that curves within sectioned-out panels.

A

Curvature

24
Q

All perm wraps begin by sectioning the hair into panels which are further divided into subsections called ___.

A

Base section

25
Q

Base control refers to the position of the tool in relation to its ___ and is determined by the angle at which the hair is wrapped.

A

Base section

26
Q

Underprocessing is caused by ___ processing time of the waving lotion.

A

Insufficient

27
Q

The length of time required for the hair strands to absorb the waving lotion and for the strand to re-curl is called ____.

A

Processing time

28
Q

When you place one end wrap on top of the hair strand and hold it flat, it is called the ___.

A

Single flat-wrap

29
Q

In permanent waving, most of the processing takes place as soon as the solution penetrates the hair, within the first ___ minutes.

A

5 to 10

30
Q

If too many ___ bonds are broken in the perming process, the hair will be too weak to hold a firm curl.

A

Disulfide

31
Q

End wraps are absorbant papers used to ___ of the hair when wrapping and winding hair on the perm rods.

A

Control

32
Q

What can be used to determine the actual processing time needed to achieve optimum curl results when giving a perm for the first time on a client?

A

Preliminary Test Curl

33
Q

When one end paper is folded in half over the hair ends like an envelope, it is called the ___.

A

Bookend Wrap

34
Q

In neutralization, the bonds in the hair are re-formed ___.

A

immediately

35
Q

Chemical bonds that join amino acids together to form polypeptide chains are ___ bonds.

A

Peptide

36
Q

Some manufacturers recommend that the application of a ___ after blotting and before application of the neutralizer.

A

Pre-Neutralizing Conditioner

37
Q

An ___ liquid protein conditioner can be applied to the hair and dried under a warm dryer for five minutes prior to neutralization if hair is damaged.

A

Acid

38
Q

Always rinse perm solution from the hair for at least ___ minutes before applying the neutralizer.

A

5

39
Q

If the hair is not ___, the hydrogen peroxide in the neutralizer can react with the waving lotion and cause the hair color to lighten.

A

Rinsed Properly

40
Q

Relatively weak physical side bonds that are the result of an attraction between opposite charges are ___ bonds.

A

hydrogen

41
Q

Neutralization rebuilds the ___ by removing the extra hydrogen bonds created by the waving solution.

A

Disulfide Bonds

42
Q

When performing a procedure for a preliminary test curl, wrap one tool in each different area of the head including the top, the side, and the ___.

A

Nape

43
Q

Many male clients are looking for added ____, fullness, style, and low maintenance that only a perm can provide.

A

texture

44
Q

The measurement of the thickness of a liquid that affects how the fluid flows is known as ___.

A

Viscosity

45
Q

The ___ wrap is used to prevent noticeable splits and to blend the flow of the hair.

A

Brick Lay

46
Q

The ___ wrap is done at an angle that causes the hair to spiral along the length of the tool, like the grip on a tennis racquet.

A

Spiral

47
Q

In order to make a smooth transition from the rolled section of the head to an unrolled section, use a larger tool for the last tool next to an unrolled section when giving a ___.

A

Partial Perm

48
Q

Perming only a section of a whole head of hair is called ___.

A

Partial Perm

49
Q

Metallic salts leave a coating on the hair that may cause ___, severe discoloration, or hair breakage.

A

Uneven curl