Chapter 20 B Flashcards

(32 cards)

1
Q

What process permanently rearranges the basic structure of curly hair into a straight or smoother form?

A

Chemical hair relaxing

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2
Q

The most common type of chemical hair relaxes are ammonium Thio, guanidine hydroxide and what else?

A

Sodium hydroxide

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3
Q

The measurement of the thickness or thinness do a liquid that affects how the fluid flows is known as what?

A

Viscosity

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4
Q

Before giving a relaxing treatment to curly hair, the cosmetologist must perform an analysis of the clients hair and scalp testing for porosity and what else?

A

Elasticity

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5
Q

What is the process by which hydroxide relaxers permanently straighten hair, the relaxers remove a sulfur atom from a disulfide bond and convert it into a lanthionine bond?

A

Lanthionization

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6
Q

Relaxers that are ionic compounds formed by metal combined with oxygen and hydrogen are known as

A

Metal hydroxide relaxers

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7
Q

Sodium hydroxide are commonly called

A

Lye relaxers

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8
Q

The acting n of a guanadine hydroxide or no lye relaxer causes the hair to

A

Soften and swell

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9
Q

These types of relaxers are intended for use on color-treated,damaged, or fine hair.

A

Low pH

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10
Q

Hydroxide relaxers are usually sold in what types of formulas

A

Base and no base

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11
Q

The scalp and skin are protected from possible burns when using a base hair relaxer by applying what?

A

Base cream

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12
Q

Application of the relaxer for a retouch begins in the most resistant areas, usually at the back of the head or where?

A

Under the occipital bone

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13
Q

If using a no base relaxer a protective cream is applied to where?

A

To the hairline and around the ears

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14
Q

General guidelines suggest that for fun color treated or damage here which strength of relaxer should be used?

A

Mild

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15
Q

General guidelines suggest that for course extremely curly and resisting hear what strength should be used

A

Strong or super

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16
Q

Inspecting the action of the relax of us moving in passing the strand to the scalp is called

A

Periodic strand testing

17
Q

To check relaxer processing smooth and press the strand to the scalp using the back of the cone or your fingers if the current returns what should you do

A

Continue processing

18
Q

When applying hydroxide relaxer on virgin hair the process and cream is applied last to where

A

Scalp area and hair ends

19
Q

The product is applied where first when applying a sodium hydroxide retouch

A

New growth only

20
Q

What product is used to restore the hair to a normal acidic pH

A

Normalizing lotion

21
Q

The best type of shampoo to use after the chemical relaxer is

A

Neutralizing shampoo

22
Q

I’m here relaxing treatment should be avoided when examination shows presence of what

A

Scalp abrasions

23
Q

Of the general types of hair relaxers which one does not require pre-shampooing

A

Sodium hydroxide

24
Q

One safety precaution for here relaxing as to avoid went to the scalp with a comb or fingernails

25
What is one saved up a caution that must be followed with all chemical here relaxing services
Wearing protective gloves
26
After the hair has been processed with a relaxer and before the shampoo the hair should be thoroughly what
Rinsed
27
When hair has sufficiently been straightened the hair is rinsed the rapidly and thoroughly with what temperature of the water
Warm
28
Keratin straightening treatments work by fixing the Charitan in place and what type of manner
Semi permanent
29
This is the type base chemical service that reforms curly and wavy hair into looser and larger curls and waves
Soft curl permanent
30
When using the comb method of application how is the relaxing cream applied
With the back of the comb
31
After saturating the rods with neutralizer and a softball per minute and processing according to manufactures directions the next step is to do what
Rinse with the rods still in the hair
32
When processing is complete for softball permanent what is done after rinsing the hair thoroughly with warm water
Conditioner is applied