review #3 Flashcards

1
Q

what is the first and most important preliminary step in perming

A

consultation

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2
Q

how are salt bonds broken down

A

pH

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3
Q

how are disulfide bonds broken down

A

waving solution

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4
Q

how are hydrogen bonds broken down

A

water

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5
Q

How does the porosity of the hair relate to perming?

A

-coarse, resistant hair requires a highly alkaline chemical solution.
-porous, damaged or chemically treated hair requires a less alkaline solution

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6
Q

what purpose do the cuticle scales play in perming

A

to allow the solution to enter the cortex

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7
Q

the _____ bonds make perming possible, we must break down ___% in ensure longevity in the perm

A

disulfide
50

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8
Q

what layer of the hair does the actual perming take place

A

cortex

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9
Q

what it the most important factor to consider when choosing the right solution

A

porosity

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10
Q

what are the main active ingredient in the following:

alkaline waves
acid waves
neutralizer

A

alkaline waves- ATG
acid waves- GMTG
neutralizer- hydrogen peroxide

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11
Q

what is the pH of true acid waves

A

4.5-7.0

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12
Q

what is the pH of alkaline wave

A

9.0-9.6

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13
Q

what is the pH of acid balanced or neutral

A

7.8-8.2

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14
Q

what is the pH of neutralizer

A

3

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15
Q

what are the 2 main functions of neutralizer

A
  1. Any waving solution that remains in the hair is deactivated
  2. disulfide bonds that were broken by the waving solution are now rebuilt
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16
Q

_____ involves the waving solution, ______ involves the neutralizer.

A

reduction
oxidization

17
Q

when would you use an alkaline wave

A

on resistant, healthy coarse hair

18
Q

what type of hair would you choose to use a true acid wave

A

coarse or damaged