Hairstyling, haircutting, chemical styling Flashcards

pass state board

1
Q

Surfaces on the head where the head changes, such as the ears, jawline, and occipital bone, are referred
to as _____.

A

reference points

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2
Q

Reference points in a haircut are used to establish _____.

A

design lines

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3
Q

Achieving balance within a design can be accomplished by understanding the _____ and reference
points.

A

head shape

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4
Q

What is the widest part of the head, starting at the temples and ending at the bottom of the crown, that
can be found by placing a comb flat on the side of the head?

A

Parietal ridge

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5
Q

What bone protrudes at the base of the skull?

A

Occipital bone

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6
Q

The _____ is the highest point on the top of the head, and can be located easily by placing a comb on
top of the head and noticing that the comb is resting on the highest point.

A

apex

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7
Q

The location of the four corners signals a change in _____.

A

head shape

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8
Q

The two front corners represent the widest part of the _____.

A

bang area

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9
Q

Hair that grows below the parietal ridge, or crest, hangs because of _____.

A

gravity

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10
Q

What area of the head is located between the apex and the back of the parietal ridge?

A

Crown

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11
Q

The _____ area is defined as the area at the back part of the neck and consists of the hair below the
occipital bone.

A

nape

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12
Q

By making a parting or drawing a line from the apex to the back of the ear, you can locate the _____ of
the head, which consists of all the hair that falls naturally behind the ear.

A

back

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13
Q

What is the triangular section of the head that begins at the apex and ends at the front corners?

A

Bang area

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14
Q

A(n) _____ is a thin, continuous mark, curved or straight, used as a guide while cutting hair.

A

line

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15
Q

What is the working area of the hair that is separated prior to cutting?

A

Section

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16
Q

A(n) _____ is created when the space between two lines or surfaces intersects at a given point.

A

angle

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17
Q

An important element in creating a strong foundation and consistency in haircutting and creating
shapes is the use of _____.

A

angles

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18
Q

The three types of straight lines in haircutting include horizontal, vertical, and _____ lines.

A

diagonal

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19
Q

What type of haircutting lines are parallel to the floor and relative to the horizon?

A

Horizontal lines

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20
Q

What type of haircutting lines are perpendicular to the horizon, and are used to remove weight to
create graduated or layered haircuts, and higher elevations?

A

Vertical lines

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21
Q

_____ lines in a haircut are those that lie between the horizontal and vertical, have a slanting or sloping
direction, and help to blend long layers into short layers to create fullness.

A

Diagonal

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22
Q

_____, or stacking, involves using diagonal lines to create angles by cutting the ends of the hair with a
slight increase or decrease in length.

A

Beveling

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23
Q

For control during haircutting, the hair is parted into working areas called _____.

A

sections

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24
Q

What is the line dividing the hair at the scalp, separating one section from another to create
subsections?

A

Parting

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25
Q

_____, also known as

A

a. Elevation

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26
Q

Elevation creates graduation and layers, and is usually described in _____.

A

degrees

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27
Q

What is the elevation, or degrees, contained in a blunt or one-length haircut?

A

0

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28
Q

When the hair is elevated _____, you are building weight in a haircut.

A

below 90 degrees

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29
Q

What hair type requires less elevation and should be left a bit longer when cutting because of
shrinkage as it dries?

A

Curly hair

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30
Q

_____ occurs when the hair contracts or lifts through the action of moisture loss or drying.

A

Shrinkage

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31
Q

The angle at which the fingers are held when cutting the line that creates the shape is referred to as the
_____.

A

cutting line

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32
Q

A(n) _____, also know as a guide, is a subsection of hair that determines the length the hair will be cut,
and is usually the first section cut when creating a shape.

A

guideline

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33
Q

Which guideline is used in a blunt, one-length haircut, or used in overdirection to create a length or
weight increase?

A

Stationary

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34
Q

Which guideline involves a small slice of a previous subsection that is moved to the next position and
becomes the new guideline?

A

Traveling guide

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35
Q

What technique should be used to create a length increase in the design of graduated and layered
haircuts?

A

Overdirection

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36
Q

If you want hair to be longer toward the front on a layered haircut, overdirect the sections to a
stationary guide at the _____.

A

back of the ears

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37
Q

A _____ is a conversation between you and your client when you find out what the client is looking
for, offer suggestions and professional advice, and come to a joint decision about the most suitable
haircut.

A

client consultation

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38
Q

You can begin to make decisions about the best haircut for a client by analyzing his or her _____.

A

face shape

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39
Q

A client’s _____ is how he or she looks from the side and can be best viewed by pulling the hair away
from the face and up and away from the neck.

A

profile

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40
Q

If hair shrinks when it dries, you will need to cut wet hair _____ than the desired length.

A

1⁄4 to 1⁄2 inch

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41
Q

The _____ is the direction in which hair grows from the scalp and is also called the natural falling
position.

A

growth pattern

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42
Q

Cowlicks and whorls are examples of _____ that will affect where the hair ends up once it is dry,
especially in the nape.

A

growth patterns

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43
Q

You should use the _____ degree of tension when cutting hair with strong growth patterns, or around
the ears, to compensate for the hair being pushed up when it dries.

A

minimum

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44
Q

Hair _____ is the number of individual hair strands on 1 square inch (2.5 cm2) of scalp and is usually
described as thin, medium, or thick.

A

density

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45
Q

Hair _____ is based on the thickness or diameter of each hair strand, usually classified as coarse,
medium, and fine.

A

texture

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46
Q

Which description is most accurate of fine, thin hair?

A

It needs weight and is limp.

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47
Q

The _____, or the amount of movement in the hair strand, varies from client to client, as well as within
the same head of hair.

A

wave pattern

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48
Q

_____ shears, also known as scissors, are mainly used to cut blunt or straight lines in hair, to slide cut,
point cut, or to implement other texturizing techniques.

A

Haircutting

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49
Q

Which type of shear is used mainly to remove bulk from the hair, and is often referred to as a thinning
shear, tapering shear, or notching shear?

A

Texturizing

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50
Q

Shears that are designed to remove more hair, with larger teeth set farther apart, are known as _____.

A

notching shears

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51
Q

Which type of comb is used mainly to detangle the hair?

A

Wide-tooth comb

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52
Q

The comb used for close tapers on the nape and sides, and when using a scissor-over-comb technique,
is a _____.

A

barber comb

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53
Q

Which three countries are primarily responsible for manufacturing the steel used to make professional
shears?

A

Japan, Germany, and the United States

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54
Q

The _____ indicates the method of gauging the hardness of the metal (steel) of an individual shear in
order to ensure that it maintains a sharp edge for an extended period of time.

A

Rockwell hardness

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55
Q

What is the ideal Rockwell hardness of a shear?

A

56–57

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56
Q

Professional shears are made by either casting or forging the steel. Which process is best for ensuring
shear durability, ease of adjustment or repair, and highest quality?

A

Forging only

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57
Q

A tension in your shears that is too _____ will allow your shears to fold the hair.

A

loose

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58
Q

Before purchasing _____, the stylist should inquire about the manufacturing, steel quality, and the
right blade edge.

A

shears

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59
Q

The best overall blade edge for a hair stylist is _____, because it will give you the smoothest cut and is
the sharpest edge possible.

A

convex

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60
Q

Which type of texture shear adds increased blending?

A

Texturizing

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61
Q

When your shear is properly fitted, the thumb hole will rest at or slightly over the _____.

A

cuticle area of the thumb

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62
Q

_____ in haircutting is the amount of pressure applied when combing or holding a subsection during a
haircut.

A

Tension

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63
Q

A general rule of thumb when cutting hair is to stand or sit directly in front of the area you are cutting,
and to keep your body weight _____.

A

centered

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64
Q

The hand position that is used most often when cutting uniform or increasing layers is called _____.

A

cutting over fingers

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65
Q

What is the best way to maintain control of the subsection when cutting with a vertical or diagonal
cutting line?

A

Palm-to-palm

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66
Q

_____ reduces strain on the index finger and thumb while cutting the hair.

A

Palming the shears

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67
Q

In a _____ haircut, also known as a one-length haircut, all of the hair comes to a single-hanging level
forming a weight line.

A

blunt

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68
Q

The _____ is the visual line in the haircut where the ends of the hair hang together.

A

weight line

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69
Q

Haircuts that generally have less weight than graduated haircuts are called _____.

A

layered cuts

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70
Q

A(n) _____ is a basic haircut, cut at a 90-degree elevation and then overdirected to maintain length and
weight at the perimeter.

A

long-layered cut

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71
Q

The technique used to check a haircut for precision of line and shape is called _____.

A

cross-checking

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72
Q

_____ should not be used on curly hair because it weakens the cuticle and causes the hair to frizz.

A

A razor

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73
Q

It is important to work with the natural _____, or where and how hair is moved over the head, when
locating the bang area.

A

distribution

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74
Q

Which method involves cutting or layering the hair in such a way that the fingers and shears glide
along the edge of the hair to remove length?

A

Slide cutting

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75
Q

The process of removing excess bulk without shortening hair length is called _____.

A

texturizing

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76
Q

_____ is another version of point cutting, in which a more aggressive technique is used to create a

A

Notching

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77
Q

Effilating, also known as _____, is the process of thinning the hair to graduated lengths with shears.

A

slithering

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78
Q

When using the slicing technique to remove weight and add movement through the lengths of the hair,
the shears should never be completely _____.

A

closed

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79
Q

Electric or battery-operated tools that cut the hair by using two moving blades held in place by a metal
plate with teeth are called _____.

A

clippers

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80
Q

What technique allows you to cut hair very close to the scalp and create a flat top or square shape?

A

Clipper-over-comb

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81
Q

A professional _____ is responsible for educating clients about at-home maintenance and styling
options for their hair.

A

hairstylist

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82
Q

What process shapes and directs the hair into an S pattern through the use of the fingers, combs, and
finger-waving lotion, and was the rage in the 1920s and 1930s?

A

Finger waving

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83
Q

What substance, also known as liquid gel, makes the hair pliable enough to keep it in place during the
finger-waving procedure?

A

Finger-waving lotion

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84
Q

_____ curls serve as a basis for patterns, lines, waves, curls, and rolls that are used in a wide range of
hairstyles and can be used on all types of hair, including straight, permanent waved, or naturally curly

A

Pin

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85
Q

The _____ is the stationary (non-moving) foundation of the curl, on the area closest to the scalp

A

base

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86
Q

What section of the pin curl lies between the base and first arc (turn) of the circle that gives the curl its
direction and movement, and determines the amount of mobility or movement in a section of hair?

A

Stem

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87
Q

What type of curl is placed directly on the base of the curl and produces a tight, firm, long-lasting curl
and allows minimum mobility?

A

No-stem curl

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88
Q

What type of curl is placed completely off base and allows for the greatest mobility?

A

Full-stem curl

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89
Q

A _____ is a section of hair that is molded in a circular movement in preparation for the formation of

A

shaping

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90
Q

What are the pin curls that produce even, smooth waves and uniform curls?

A

Open-center curls

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91
Q

Which pin curls produce waves that get smaller in size toward the end?

A

Closed-center curls

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92
Q

The terms _____ curls and _____ curls are used to describe the direction of pin curls.

A

clockwise; counterclockwise

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93
Q

_____ base pin curls are usually recommended at the side front hairline for a smooth, upswept effect.

A

Rectangular

94
Q

What pin curl base is recommended for use along the front hairline to prevent splits or breaks in the
finished style?

A

Triangular base

95
Q

What is the most commonly shaped pin curl base?

A

Arc base

96
Q

Arc base pin curls are also known as half-moon or _____ base curls.

A

C-shaped base curls

97
Q

Forcing hair between the thumb and the back of the comb to create tension is called _____.

A

ribboning

98
Q

Pin curls sliced from a shaping and formed without lifting the hair from the head are referred to as
_____.

A

carved curls

99
Q

Ridge curls are pin curls placed immediately behind or below a ridge to form a _____.

A

wave

100
Q

Two rows of ridge curls on the side of a head are called _____.

A

skip waves

101
Q

Large diameter pin curls that are similar to a roller, but do not have the same amount of tension, are
called _____.

A

barrel curls

102
Q

Which pin curls are fastened to the head in a standing position to create height in the hair design?

A

Cascade curls

103
Q

What is the panel of hair on which the roller is placed?

A

Base

104
Q

How is the hair wrapped around the roller to create curls in the hair?

A

With two and a half turns

105
Q

Rollers should be placed _____ in a roller set where the least amount of volume is desired.

A

completely off the base

106
Q

A(n) _____ is the point where curls of opposite direction meet, forming a recessed area.

A

indentation

107
Q

_____ rollers are used only on dry hair because using them on wet hair will snag and pull the hair.

A

Velcro

108
Q

Backcombing, also known as _____, ratting, matting, or French lacing, involves combing small
sections of hair from the ends toward the scalp, causing shorter hair to mat at the scalp and form a
cushion or base.

A

teasing

109
Q

Backbrushing, also known as _____, is used to build a soft cushion or to mesh two or more curl
patterns together for a uniform and smooth comb out.

A

ruffing

110
Q

What styling technique is used to keep curly hair smooth and straight while retaining its shape?

A

Wrapping

111
Q

What technique of drying and styling damp hair in one operation has revolutionized the hairstyling
world?

A

Blowdry styling

112
Q

What nozzle attachment of a blowdryer directs the air stream to any section of the hair more intensely?

A

Concentrator

113
Q

What blowdryer attachment is used to accentuate or keep textural definition by allowing the air to flow
more softly?

A

Diffuser

114
Q

Which brushes are used to blowdry precision haircuts where little or no volume is desired?

A

Classic styling brushes

115
Q

What are the large, flat brushes with staggered pin patterns that are used for mid- to longer-hair
length?

A

Paddle brushes

116
Q

Grooming brushes that add polish and shine to the hair have a bristle mixture consisting of _____.

A

boar and nylon

117
Q

Styling foam, a light, airy, whipped styling product that resembles shaving foam, is also called _____.

A

mousse

118
Q

_____, also known as texturizers, are styling products that are lighter and less viscous than firm-hold
gels, making them ideal to use for easy styling, defining, and molding.

A

Liquid gels

119
Q

_____, also known as serum, adds gloss and sheen to the hair while creating textural definition.

A

Silicone

120
Q

What is the most widely used hairstyling product?

A

Hair spray

121
Q

_____ waving and curling, also known as Marcel waving, are methods of waving and curling straight
or pressed dry hair using thermal irons and special manipulative techniques.

A

Thermal

122
Q

_____ irons with straight edges are used to create smooth, straight, styles – even on very curly hair.

A

Flat

123
Q

The edge of a flat iron that is nearest to the stylist is called the _____.

A

inner edge

124
Q

Combs that are used for thermal curling should be made of _____.

A

hard rubber

125
Q

The correct temperature setting of the iron for thermal curling is determined by the _____.

A

texture of the hair

126
Q

As a rule of thumb, coarse and gray hair can withstand more heat than _____.

A

fine hair

127
Q

What type of curls are suitable for one length hair?

A

Spiral curls

128
Q

_____ curls provide maximum lift or volume, since the curl is placed very high on its base.

A

Volume-base

129
Q

When creating full-base curls, the hair should be held with medium tension at a _____.

A

125-degree angle

130
Q

Placed completely off their base, _____ curls offer a curl option with only slight lift and volume.

A

off-base

131
Q

What process involves temporarily straightening extremely curly hair by means of a heated comb?

A

Hair pressing

132
Q

What hair pressing process removes 50 to 60 percent of the curl?

A

Soft press

133
Q

What hair type is very resistant to hair pressing and requires more heat and pressure?

A

Wiry/curly

134
Q

When the client’s scalp is classified as flexible, remember to _____ to press the hair satisfactorily.

A

use enough tension

135
Q

Good-quality pressing combs are constructed of either _____.

A

stainless steel or brass

136
Q

Pressing combs with less space between the teeth produce a _____.

A

smooth press

137
Q

It is important to _____ a new brass pressing comb so that it will hold heat evenly along its entire
length and provide consistent results.

A

temper

138
Q

After heating, the temperature of the pressing comb should be tested using _____.

A

light paper

139
Q

Carbon buildup can be removed from the metal portion of a pressing comb by immersing the metal
portion of the comb in a solution containing _____.

A

baking soda

140
Q

A _____ is sometimes necessary when the hair becomes curly again due to perspiration, dampness, or
other conditions.

A

touch-up

141
Q

_____ and skin rashes are the two general types of injuries that can occur in hair pressing.

A

Burns

142
Q

Avoid excessive heat, particularly when pressing _____ hair, to avoid discoloration and breakage.

A

gray

143
Q

When executing an updo, inspect the shape from every angle to make sure it is _____.

A

well-balanced and proportioned

144
Q

What true classic hairdo is created out of a simple ponytail that can be simply styled or dressed up?

A

Chignon

145
Q

The twist, also referred to as the French _____, is a classic long hairstyle that is popular in the salon
for clients attending formal functions.

A

pleat

146
Q

_____ give you the ability to permanently change the hair’s natural wave and curl pattern, thereby
offering clients a variety of styling options that would not otherwise be possible.

A

Chemical texture services

147
Q

Without a thorough understanding of _____, cosmetologists could damage hair, cause hair loss, and
harm their clients and themselves.

A

chemistry

148
Q

What tough exterior layer of the hair has the purpose of surrounding the inner layers and protecting the
hair from damage?

A

Cuticle

149
Q

Which layer of the hair is located directly beneath the cuticle layer and is responsible for the incredible
strength and elasticity of human hair?

A

Cortex

150
Q

Which layer of hair is the innermost layer of the hair, and often called the pith or core of the hair?

A

Medulla

151
Q

The term pH is an abbreviation used for potential _____, and the symbol pH represents the quantity of
_____ ions in solution.

A

hydrogen; hydrogen

152
Q

The _____ measures the acidity and alkalinity of a substance by measuring the quantity of hydrogen
ions it contains.

A

pH scale

153
Q

The range of numbers used in the pH scale is _____.

A

0 to 14

154
Q

Chemical hair texturizers temporarily raise the pH of the hair to an alkaline state in order to _____.

A

soften and swell the shaft

155
Q

In the restructuring process, coarse, resistant hair with a strong compact cuticle requires a chemical
solution that is _____.

A

highly alkaline

156
Q

What are the basic building blocks of hair that affect how chemical solutions react?

A

Amino acids, peptide bonds, polypeptide chains, keratin proteins, and side bonds

157
Q

Which compounds are made up of carbon, oxygen, hydrogen, nitrogen, and sulfur?

A

Amino acids

158
Q

Which chemical bonds, also known as end bonds, join amino acids together, end-to-end in long chains,
to form a polypeptide chain?

A

Peptide bonds

159
Q

What are long, coiled polypeptide chains linked together end-to-end like beads?

A

Keratin proteins

160
Q

The cortex of the hair is made up of millions of polypeptide chains cross-linked by three types of side
bonds that are responsible for the elasticity and strength of the hair. These bonds are _____.

A

disulfide, salt, and hydrogen

161
Q

What chemical side bonds are formed when two sulfur-type chains are joined together?

A

Disulfide bonds

162
Q

Which bonds are relatively weak physical side bonds resulting from an attraction between negative
and positive electrical charges, and are easily broken by changes in pH?

A

Salt bonds

163
Q

Hydrogen bonds are weak physical side bonds that result from an attraction between negative and
positive electrical charges and are easily broken by water or heat, but reform as the hair is _____.

A

dried

164
Q

_____ is a two-step process in which the hair first undergoes a physical change caused by wrapping
the hair on perm rods, and then a chemical change caused by the application of permanent waving
solution and neutralizer.

A

Permanent waving

165
Q

What determines the size of the curl in a permanent waving process?

A

The size of the rod

166
Q

In permanent waving, the shape and type of curl are determined by the shape and type of rod and the
_____.

A

wrapping method

167
Q

Once in the cortex, the waving solution breaks the disulfide bonds through a chemical reaction called
_____.

A

reduction

168
Q

In permanent waving, the reduction reaction is due to the addition of _____.

A

hydrogen

169
Q

What are the most common reducing agents used in permanent waving?

A

Thioglycolic acids

170
Q

The _____ of the permanent waving solution is determined primarily by the concentration of the
reducing agent, or thio.

A

strength

171
Q

The active ingredient or reducing agent in alkaline permanent waves is _____.

A

ammonium thioglycolate

172
Q

What is the second factor in the overall strength of the waving solution?

A

Degree of alkalinity

173
Q

Alkaline waves, also known as _____, were developed in 1941.

A

cold waves

174
Q

Most alkaline permanent waves have a pH between _____.

A

9.0 and 9.6

175
Q

What is the main active ingredient in true acid and acid-balanced waving lotions?

A

Glyceryl monothioglycolate

176
Q

All acid waves have three components: permanent waving lotion, neutralizer, and _____.

A

activator

177
Q

Most acid waves used in salons have a pH value between _____.

A

7.8 and 8.2

178
Q

Modern acid waves are actually _____ waves, which are permanent waves that have a 7.0 or neutral
pH.

A

acid-balanced

179
Q

Exothermic waves create a chemical reaction that heats the waving solution and speeds up _____.

A

processing

180
Q

Waves that are activated from an outside heat source, such as a conventional hood-type hair dryer, are
_____ waves.

A

endothermic

181
Q

_____ waves are perms using an ingredient that does not evaporate as readily as ammonia, so that
there is very little odor associated with their use.

A

Ammonia-free

182
Q

It is important for stylists to remember that ammonia-free does not necessarily mean _____.

A

damage-free

183
Q

What waving solutions use an ingredient other than ATG, such as cysteamine or mercaptamine, as the
primary reducing agent?

A

Thio-free

184
Q

_____ waves are permanent solutions based on sulfites, considered very weak, and are usually
marketed as body waves or alternative waves.

A

Low-pH

185
Q

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

A

5–10 minutes

186
Q

Hair that has too many broken disulfide bonds and will not hold a firm curl is considered _____.

A

overprocessed

187
Q

Overprocessed hair that is further processed will become _____ and cause further damage, including
breakage.

A

straighter

188
Q

The process that stops the action of permanent wave solution and rebuilds the hair into its new form is
called _____.

A

thio neutralization

189
Q

What is the most common neutralizer?

A

Hydrogen peroxide

190
Q

What is the most common type of perm rod?

A

Concave rods

191
Q

What perm rods are equal in diameter along their entire length or curling area?

A

Straight rods

192
Q

What soft foam perm rods are usually about 12 inches (30.5 centimeters) long with a uniform diameter
along the entire length of the rod?

A

Soft bender rods

193
Q

_____, also known as circle rods, are usually about 12 inches (30.5 centimeters) long with a uniform
diameter along the entire length of the rod, and are secured by fastening the ends together to form a
loop.

A

Loop rods

194
Q

The _____ is a perm wrap in which one end paper is placed under and another is placed over the strand
of hair being wrapped, providing the most control over the hair ends.

A

double flat wrap

195
Q

The _____ uses only one end paper, placed over the top of the hair strand.

A

single flat wrap

196
Q

The _____ uses one end paper folded in half over the hair ends like an envelope.

A

bookend wrap

197
Q

All perm wraps begin by sectioning the hair into _____.

A

panels

198
Q

In permanent waving, panels of hair are divided into smaller subsections called _____.

A

base sections

199
Q

_____ refers to the position of the rod in relation to its base section and is determined by the angle at
which the hair is wrapped.

A

Base placement

200
Q

Caution should be used with on-base rod placement to avoid additional _____.

A

stress and tension on hair

201
Q

_____ minimizes stress and tension on the hair.

A

Half off-base placement

202
Q

The angle at which a permanent wave rod is positioned on the head is referred to as _____.

A

base direction

203
Q

The two methods of wrapping the hair around a perm rod are _____.

A

croquignole and spiral

204
Q

In the croquignole method of wrapping, the hair is wound from the _____ in overlapping concentric
layers.

A

ends to the scalp

205
Q

In a _____, the hair is wrapped at an angle other than perpendicular to the length of the rod which
causes the hair to spiral along the length of the rod.

A

spiral perm wrap

206
Q

What is another name for the double-rod wrap technique?

A

Piggyback wrap

207
Q

The _____, also known as straight set wrap, is a wrapping pattern in which all the rods within a panel
move in the same direction and are positioned on equal-sized bases.

A

basic permanent wrap

208
Q

Which wrap utilizes partings and bases throughout the panels to follow the curvature of the head?

A

Curvature permanent wrap

209
Q

Base sections are offset from each other row by row to prevent noticeable splits and to blend the flow
of the hair, in which wrapping pattern?

A

Bricklay permanent wrap

210
Q

What is a very effective technique for blending between perm rods with opposite base directions using
zigzag partings to divide base areas?

A

Weave technique

211
Q

Chemical services should not be performed if the scalp analysis shows any signs of _____.

A

abrasions

212
Q

Hair that has been treated with a hydroxide relaxer is unfit for _____ and will not hold a curl.

A

permanent waving

213
Q

_____, often found in home haircoloring products, leave a coating on the hair that may cause uneven
curls, severe discoloration, or hair breakage.

A

Metallic salts

214
Q

What is the process of rearranging the basic structure of curly hair into a straighter or smoother form?

A

Chemical hair relaxing

215
Q

_____ is the measurement of the thickness or thinness of a liquid that affects how the fluid flows.

A

Viscosity

216
Q

_____ combines the use of a thio relaxer with flat ironing.

A

Japanese thermal straighteners

217
Q

What is the active ingredient in all hydroxide relaxers?

A

Hydrogen ion

218
Q

Hair that is treated with hydroxide relaxers must not be treated with _____.

A

thio relaxers

219
Q

Hydroxide relaxers remove a sulfur atom from a disulfide bond, converting it into a(n) _____.

A

lanthionine bond

220
Q

Which relaxer contains only one component and is used without mixing?

A

Metal hydroxide relaxers

221
Q

Sodium hydroxide relaxers are commonly called _____.

A

lye relaxers

222
Q

Which of the following are relaxers often marketed and sold as no mix–no lye relaxers?

A

Potassium hydroxide relaxers

223
Q

Relaxers that contain two components and must be mixed immediately prior to use are _____.

A

guanidine hydroxide relaxers

224
Q

What is a hydroxide relaxer that does not require the application of a protective base?

A

No-base relaxer

225
Q

The difference in the strength of most chemical hair relaxers is determined by the concentration of
_____.

A

hydroxide

226
Q

During a relaxer strand test, hair that is pressed to the scalp and continues to curl is _____.

A

insufficiently relaxed

227
Q

Which conditioner contains an acidic pH that restores the hair’s natural pH and should be used after a
hydroxide relaxer?

A

Normalizing lotion

228
Q

Keratin straightening treatments work by _____ in a semi-permanent manner.

A

fixing the keratin in place

229
Q

A combination of a thio relaxer and a thio permanent wrapped on large rods is a _____.

A

soft curl permanent

230
Q

Where should you start the application of the chemical relaxer, often considered the most resistant
area?

A

Back of the head