Hair Setting

Question 1

The hair structure is held together, mainly, by

Answer 1

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Question 2

are the strongest. They can only be changed by chemical methods such as perming or relaxing.

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Question 3

are much weaker than the disulphide linkages and more easily broken, and they give hair its flexibility

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Question 4

On wetting the hair by humidity or shampoo,…….. are broken, the hair becomes soft, easily stretched

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Question 5

In this softened condition, the hair can be fashioned into a ……by positioning and holding the hair in the new desired position or shape during drying.

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Question 6

The new “set” or curl pattern is …….. until the water dry out, at which time …….configuration pulls the hair back into its permanent configuration.

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Question 7

Curling or straightening produced by setting ……. hair are tight when they are first formed, but they are dis- configured when hair get ……

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Question 8

Using setting lotions or hair sprays or any other hair setting product gives ……and helps to hold the temporary “set” in …….

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Question 9

Product components

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Question 10

Solvents

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Question 11

Cosolvents and propellants

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Question 12

Is typically ….. because of its efficiency to break hydrogen bonds and other good characters

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Question 13

ethanol

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Question 14

isopropanol

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Question 15

Typically, ethanol or isopropanol to allow for:

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Question 16

Styling polymer(s)

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Question 17

PVP K-30 ( ~ 60,000 Kd) is the most common one because of:

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Question 18

Its ready solubility in water or ethanol,

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Question 19

Ease of sprayability at low to high concentrations (1-8%),

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Question 20

Versatility in modifying its stiffness or brittleness,

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Question 21

Good adhesion to keratin and clarity of its film.

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Question 22

Its nonioninc character offering compatibility with ionic

agents

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Question 23

Polymer modifiers and viscosity increasing agents

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Question 24

plasticizers

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Question 25

humectants

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Question 26

wetting agents

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Question 27

antistatic agents

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Question 28

These help the polymer flow to attach to the keratin or hair surface

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Question 29

propylene glycol,

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Question 30

glycerin

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Question 31

silicones

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Question 32

have been used for reducing static (cationic).

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Question 33

Modifier are kept at ......of the polymer solids level

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Question 34

Using higher levels of polyol plasticizers or wetting agents can cause

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Question 35

Preservative

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Question 36

May not be needed for some products containing <25% alcohol or < 35%

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Question 37

Vegetable and animal oils and/or mineral oil (mineral oil is not preferred but allowed up to

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Question 38

panthenol

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Question 39

polypeptides

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Question 40

allantoin

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Question 41

jaborandi

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Question 42

pilocarpine

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Question 43

resorcinol

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Question 44

cholesterol

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Question 45

salicylic acid,

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Question 46

ethyl alcohol

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Question 47

sulfur

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Question 48

lecithin

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Question 49

Colour

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Question 50

are used at low concentrations (~ >0.001%)

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Question 51

Higher levels of colour may be added....

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Question 52

Some products may be coloured brown to

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Question 53

Fragrance and solubilizer

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Question 54

Marketing concept additives

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Question 55

Spray-on products can use much less fragrance “oil” because of

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Question 56

Are included as marketing focus, even if they are actives.

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Question 57

added to create a family of products.

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Question 58

fragrance

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Question 59

proteins

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Question 60

panthenol

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Question 61

vitamins

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Question 62

black seed oil

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Question 63

Castor oil

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Question 64

Almond oil

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Question 65

Olive oil

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Question 66

Solid brilliantines or pomades

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Question 67

Have been used on extremely curly hair to

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Question 68

Because of its viscosity, it can coat the hair provide

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Question 69

It also can be used on straight hair to give a conditional feel and a little weight to control flyaway hair, especially damaged hair.

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Question 70

can be as simple as mineral or vegetable oils thickened or stiffened with suitable agent(s) or as complex as blends of paraffin or natural waxes tinted and perfumed.

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Question 71

Stearic acid

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Question 72

Mineral oil

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Question 73

Alcoholic lotions

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Question 74

improve the wetting properties of oils

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Question 75

After evaporation of the alcohol, a....

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Question 76

gives a feeling of freshness and stimulate the scalp.

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Question 77

alcohol-soluble

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Question 78

it is used frequently as the oil in an alcoholic lotion.

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Question 79

glycerol

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Question 80

Mixing oil with alcohol will.....

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Question 81

Gum based hairdressings

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Question 82

Contain ..... gum depending on ....

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Question 83

When applied to the hair, the product will gradually dry out,

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Question 84

Drying can be accelerated by adding

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Question 85

Large % of alcohol (more than 10%) will.....

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Question 86

The main disadvantages of Gum based hairdressings

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Question 87

We can avoid this disadvantage by

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Question 88

Emulsions

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Question 89

Aerosol hair dressing

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Question 90

The advantages of aerosol spray-dispensing are:

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Question 91

should never be used in aerosol sprays, since the atomized hydrocarbons can be inhaled and cause lipid pneumonia.

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Question 92

The product also can be applied after grooming to help hold the set in place

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Question 93

The product is applied directly and need only be combed or brushed 0 through, thereby avoiding....

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Question 94

Spraying and penetration into hair bundles

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Question 95

Flaking or brushing which the impression of dandruff

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Question 96

Add humectant , plasticizer, water soluble landline may avoid this

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Question 97

Mono-alkyl quaternary