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Flashcards in chapter 21 Deck (66):
1

Clients who have their hair colored usually visit the salon every how many weeks?

3-12 weeks

2

What is a professional, industry coined term referring to artificial hair coloring products and services?

Haircoloring

3

The what of the client's hair and the desired results determine which haircolor to use.

structure

4

The cortex, or middle layer of each hair,gives the hair the majority of its strength and elasticity, and contributes about how much percent to the overall strength of the hair?

80

5

The natural coloring pigment food in the cortex layer of the hair is what

melanin

6

Melanin is made from what?

Melonocytes

7

Hair texture is determined by the diameter of individual hair what?

Strands

8

Fine hair takes color faster and can look darker because the melanin granules are grouped how?

more tightly

9

the hair type with a large diameter that can take longer to process hair color is what?

coarse textured hair

10

The ability of the hair to absorb moisture is known as what?

porosity

11

When the cuticle is tight and the hair is resistant, it is difficult for moisture or chemicals to penetrate. Wha term describes this condition?

low porosity

12

when the cuticle is slightly raised and the hair is normal and processes in an average amount of time, the hair would be said to have what?

average porosity

13

when the cuticle is lifted and the hair is overly porous and takes color quickly, the hair would be said to have what?

high porosity

14

to test for porosity, take several strands from four different areas of the head: the front hairline, the temple, the crown and the what?

nape

15

what type of melanin gives black and brown color to the hair?

eumelanin

16

they system used by colorist to analyze the lightness or darkness of a hair color is what?

the level system

17

the darkest hair colors in the level system are identified as being a level what?, while the lightest hair color in the level system are what?

1; 10

18

what is one of the most valuable tools for identifying the natural level in the hair?

color wheel

19

what is described as a property of objects that depends on the light they reflect and is perceived (by the human eye) as red, yellow , blue, or other shades

color

20

the system used for understanding color relationships is the what?

laws of color

21

fundamental or pure colors that cannot be achieved from a mixture are known as what?

primary colors

22

the primary color that brings depth or darkness to any color is what?

blue

23

when all three primary colors are present in equal proportions the resulting color is what?

black

24

a color obtained by mixing equal parts of two primary colors is a what?

secondary color

25

a color achieved by mixing equal parts of a secondary color and its neighboring primary color on the color wheel is a what?

tertiary color

26

primary and secondary colors that are positioned opposite each on the color wheel are what?

complementary colors

27

tones can be described as cool warm or what?

neutral

28

what tones absorb more light , therefore they look deeper than their actual level?

cool

29

what refers to the strength of the color?

intensity

30

each color is identified by a number and a letter, with the number indicating the level and the letter indicating the what?

tone

31

neutral base colors are often used to what?

cover gray hair

32

non oxidative hair color is classified as temporary and what (traditional )

semi permanent

33

oxidative haircolor is classified as semipermanent (deposit only) and what (lift and deposit).

permanent

34

all hair coloring products require a patch test, with the exception of what

temporary colors

35

as part of their composition, all permanent hair coloring products and lighteners contain both a developer and a (n) what?

alkalizing ingredient

36

coloring products that have a coating action on the hair and are removed by shampooing are what?

temporary colors

37

demipermanent colors are also known as what

no lift, deposit- only colors

38

what coloring products are regarded as best for covering gray hair?

permanent haircoloring

39

dye precursors that combine with hydrogen peroxide to form larger, permanent dye molecules are called what?

aniline derivatives

40

metallic hair colors are also known as what?

gradual colors (progressive)

41

what is the most commonly used developer and an oxidizing agent that , when mixed with an oxidation hair color, supplies the necessary oxygen gas to develop the color molecules and create a change in natural hair color.

hydrogen peroxide

42

the concentration and strength of hydrogen peroxide is measured in terms of what?

volume

43

the standard value of hydrogen peroxide used to achieve most results with permanent hair color is what?

20 volume

44

chemical compounds that lighten hair by dispersing, dissolving and decolorizing the natural pigment are what

hair lighteners

45

what is the process by which oxygen is released within the cortex of the hair shaft?

oxidation

46

the process in which the hair is pre lightened and the toned is known as what?

double process application

47

during the process of decolorizing , a natural hair can go through as many as what stages?

10 stages

48

what hair colors, also known as vegetable hair colors, such as henna, and colors obtained from the leaves or bark of plants?

natural

49

decolorizing the hairs natural pigment allows the colorist to create the exact degree of what?

contributing pigment

50

what hair coloring product is used primarily on pre lightened hair to achieve pale and delicate colors?

toners

51

clients with hair in questionable condition who request chemical services should be requires to sign a what?

release statement

52

when applying color using the brush and bowl method, the mixing bowl should be what
?

non metallic

53

the us federal food, drug and cosmetic act prescribes that the predisposition test be given ?

24 to 48 hours prior to application

54

what process lightens hair and deposits color in one application

single process haircoloring

55

a what application refers to the first time hair is colored

virgin

56

what is a non ammonia color that adds shine and tone to the hair?

glaze

57

you should NEVER apply hair color to a client if the scalp has any obvious signs of what?

abrasions

58

overlapping hair color on previously tinted hair can cause breakage and create a visible line of what?

demarcation

59

what is the first step of double process hair coloring?

pre lightening

60

lighteners that have thicker consistency and give more control during scalp application are known as what?

cream lighteners

61

powdered per sulfate salts added to hair color to increase its lightening ability are what?

activators

62

the part of the hair shaft between the scalp and the hair that has been previously colored is known as what?

new growth

63

the coloring technique that involves coloring some strands of hair lighter than the natural color is known as what?

highlighting

64

the technique of coloring strands of hair darker than the natural color is what?

lowlightening

65

in the weaving foil technique , selected strands are picked up from a narrow section of hair with a what motion?

zig zag

66

a patch test is generally conducted behind the ear or where else on the body?

inside the elbow