(LEC) Hair Coloring Flashcards

1
Q

(Type of Hair Coloring Product: based on Action)

Adds lighter or darker color to hair.

A

Hair Dyes

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2
Q

(Type of Hair Coloring Product: based on Action)

Lighten the hair without adding a new color to it

A

Hair Bleaches

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3
Q

Reaction utilized in hair bleach/es

A

Oxidation reaction

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4
Q

(T/F) In hair bleaches, melanin is the pigment on the hair and is oxidized and loses its color

A

True

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5
Q

(Type of Hair Coloring Product: based on Coloring)

Affects outside of hair fibers by weak chemical bonds

A

Temporary dye/s

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6
Q

(T/F) Color can be removed after one use of shampoo in Temporary dye

A

True

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7
Q

(T/F) In temporary dyes, the Dimolecule stays on the cortex.

A

False. On the counterpart of the cuticle.

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8
Q

(Type of Hair Coloring Product: based on Coloring)

Adhere to outside of hair fiber and partially penetrate the cuticle layer

A

Semi-permanent dye/s

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9
Q

(T/F) Semi-permanent dye colors are removed after 6-20 shampoos.

A

True.

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10
Q

(Type of Hair Coloring Product: based on Coloring)

Penetrate the cuticle and cortex, contain an oxidizing agent, and have a MORE alkaline pH

A

Demi-permanent dye/s

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11
Q

(Type of Hair Coloring Product: based on Coloring)

Penetrate both cuticle and cortex, contain HIGHER amount of oxidizing agent and have HIGHLY alkaline pH

A

Permanent dye/s

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12
Q

(Type of Hair Coloring Product: based on Coloring)

Remove hair color through chemical reaction

A

Hair bleach/es

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13
Q

Quality Characteristics of Hair Coloring Products

A
  • Gentle to the hair and scalp
  • Good coverage for gray hairs
  • Does not color skin
  • Permanent dyes: long-lasting coloring effect
  • Easy to spread on the hair
  • Easy to rinse off from the hair
  • Well-tolerated and non-allergenic
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14
Q

Quality characteristic of Permanent Dyes

A

long-lasting coloring effect

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15
Q

Hair Product Types

A

Non-Oxidizing Products
Oxidizing Products
Hair Bleaches

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16
Q

Non-Oxidizing Products

A

Temporary Dye
Semi-Permanent
Progressive Hair Dye

(TeSemPro)

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17
Q

Color Rinses

A

Temporary Dyes

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18
Q

Temporary

Usually liquid products that are applied after shampooing

A

Color rinses

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19
Q

Temporary

Combine the action of shampoo with that of a color rinse

A

Color-enhancing shampoo

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20
Q

Temporary

Aerosol products used for parties which are applied to dry hair

A

Hair color sprays

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21
Q

Available for parties and in natural colors

A

Mousses

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22
Q

Temporary

Uses film-forming ingredients which serve as both styling and coloring products

A

Gel and Mousses

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23
Q

Products which give a shimmery effect (often combined with gels and mousses)

A

Glitters

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24
Q

Coating on hair cuticle easily washed out after first shampooing

A

Temporary Dyes

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25
Q

Contain azo compounds, triphenylmethane-based
dyes, indoamines, and indophenols

A

Temporary Dyes

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26
Q

Used to add slight tone, brighten hair, refresh
colored hair, or try out a hair color

A

Temporary Dyes

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27
Q

(T/F) Temporary Dyes are ideal for patients with less than 50% gray hair.

A

False. Ideal for patients with less than 15% gray hair.

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28
Q

Examples of Temporary Dyes

A

Liquids, shampoos, mousses, gels, and sprays

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29
Q

Use dyes that penetrate the hair cuticle

A

Semi-Permanent Dyes

30
Q

Used on natural, unbleached hair to cover gray,
add highlights, and cover up unwanted tones

A

Semi-Permanent Dyes

31
Q

Contains dye, alkalizing agent, solvent, surfactant,
thickener, fragrance and water

A

Semi-Permanent Dyes

32
Q

Applied to hair and left for 20-30 minutes

A

Semi-Permanent Dyes

33
Q

Ideal for patients with less than 30% gray hair

A

Semi-Permanent Dyes

34
Q

gradual hair dyes or metallic hair dyes

A

Progressive Hair Dyes

35
Q

Contain water-soluble metal salts like lead acetate

A

Progressive Hair Dyes

36
Q

(T/F) Commonly used ingredient in Progressive dyes is lead acetate

A

True

37
Q

Change hair color from gray to yellow-brown to black

A

Progressive Hair Dyes

38
Q

(T/F) Mechanism of Progressive hair dyes is that metals interact with CYSTEINE in the cuticle to form METAL SULFIDES
which deposit and accumulate on the cuticle

A

True

39
Q

Oxidizing Products

A

Demi-Permanent Dyes
Permanent Dyes

40
Q

Composed of a two-component system in highly alkaline formulation and developer or activator like hydrogen peroxide

A

Oxidizing Products

41
Q

___________ is used to oxidize melanin which results in a colorless product. It is also a developer/activator.

A

Hydrogen peroxide

42
Q

Two components of Oxidizing Products

A
  1. Colorless dye intermediates and 2. Couplers
43
Q

Colorless dye intermediates

A

PPD, PTD, p-aminophenols

43
Q
A
44
Q

Dye intermediates are also known as?

A

Skin sensitizer

45
Q

Dye intermediate that causes scalp redness and itching

A

Para-phenylenediamine (PPD)

46
Q

This type of hair dye contain the highest amount of dye intermediates and poses a potential risk for clients

A

Permanent hair dyes

47
Q

Eugene Schueller founded this hair product company

A

L’Oreal

48
Q

Reported to cause skin irritation, scalp burns, and allergic dermatitis

A

Hair bleaching

49
Q

Coal tar dyes

A

Not approved synthetic organics

50
Q

(T/F) Coal tar dyes should come with a special warning on the label as required by FDA.

A

True.

Label: Product cannot be used on eyelashes ad eyebrows (blindness)

51
Q

Couplers

A

resorcinol,
m-aminophenols

52
Q

Contain 2% hydrogen peroxide and lower levels of alkalizers like monoethanolamine

A

Demi-Permanent Dyes

53
Q

Washed out after 20-24 shampooing

A

Demi-Permanent Dyes

54
Q

Used to enhance and brighten natural hair color

A

Demi-Permanent Dyes

55
Q

Used to add red highlights to brown hair

A

Demi-Permanent Dyes

56
Q

Can cover up gray hairs up to 50%

A

Demi-Permanent Dyes

57
Q

(T/F) Permanent dyes cover entire gray hair and produce new color

A

True

58
Q

Contain 6% hydrogen peroxide and ammonia
as alkalizer to attain pH of 9.0-10.5

A

Permanent Dyes

59
Q

(T/F) Permanent Dyes are available as kits containing (1) Tint and (2) Conditioner.

A

False. Available as kits containing (1) Tint consisting of dye intermediates, couplers, and alkalizer, and (2) Developer which is hydrogen peroxide

60
Q

These are available as kits with Tint, and Developer

A

Permanent Dyes

61
Q

Fact or Myth: Red shades tend to fade faster than other
colors.

A

FACT. Red dye molecules are smaller in particles size therefore can be easily washed off compared to other dyes.

62
Q

Chemical process that involves removal of natural hair pigment or
artificial hair color

A

Bleaching

63
Q

Remove color in an irreversible chemical reaction

A

Hair Bleach/es

64
Q

Boosters in hair bleaches

A

ammonium persulfate or potassium sulfate

65
Q

(T/F) Hair bleaches are removed by ALKALINE shampoo to reset the pH to normal level.

A

False. They are removed by ACIDIC shampoo to reset pH to normal level

66
Q

Performance parameter of hair styling products

A

Shine and Color Intensity

67
Q

Affected by lighting, hair color, surface smoothness, hair morphology, hair mass density of the scalp, and hair fiber alignment

A

Shine and Color Intensity

68
Q

Fast polarimetric video camera with high polarization contrast used in shine and color intensity parameter.

A

SAMBA

69
Q

Used to study hair luster, and hair surface properties like cuticle height, cuticle angle, and surface roughness

A

Atomic force spectroscopy

70
Q

This helps determine which prototype formulations you want for your product.

A

Atomic force spectroscopy