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Milady Chapter 20 Perms & Relaxers Exam Questions With 100% Correct Answers
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Milady Chapter 20 Perms & Relaxers Exam Questions With 100% Correct Answers Chemical Texture Services -ANSWER are hair services that cause a chemical change that alters the natural wave pattern of the hair Permanent Waving -ANSWER Adding wave or curl to hair Relaxing -ANSWER ...

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  • June 9, 2023
  • 8
  • 2022/2023
  • Exam (elaborations)
  • Questions & answers

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  • milady chapter 20
  • milady chapter 20 perms amp relaxers
  • milady chapter 20 perms amp relaxers exam questions

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  • Milady Chapter 20

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Milady Chapter 20 Perms &
Relaxers Exam Questions
With 100% Correct
Answers
Chemical Texture Services -ANSWER are hair services that cause a chemical
change that alters the natural wave pattern of the hair

Permanent Waving -ANSWER Adding wave or curl to hair

Relaxing -ANSWER removing curl, leaving the hair smooth and wave-free

Curl Re-Forming -ANSWER soft curl permanents loosening overly curly hair such as
when tight curls and turned into loose curls or waves.

Hair Structure -ANSWER Cuticle, Cortex and Medulla

Cuticle -ANSWER Tough exterior layer of the hair (is not directly involved in the
texture or movement of the hair)

Cortex -ANSWER Middle layer of te hair located directly beneath the cuticle layer (is
responsible for the incredible strength and elasticity of human hair)

Medulla -ANSWER Inner layers of the hair (does not play a role in chemical texture
sevices)

pH -ANSWER Potential Hydrogen

pH Scale -ANSWER 0 - 14

Acid -ANSWER 0 - 6.9

Neutral -ANSWER 7

Alkaline -ANSWER 7.1 - 14

Natural pH of Hair -ANSWER 4.5 - 5.5

, Chemical Texturizers -ANSWER raise the pH of the hair to an alkaline state in order
to soften and swell the hair shaft

Sotfen in hair -ANSWER opens the cuticle layer and allows the solution to reach the
cortex layer

Damaged hair -ANSWER needs less alkaline

Building blocks of hair -ANSWER Amino Acid, Peptide bonds, Polypeptide chains,
Keratin Proteins, Side bonds

Amino Acid -ANSWER are compounds made up of carbon, oxygen, hydrogen,
nitrogen and sulfur

Peptide bonds (end bonds) -ANSWER are chemical bonds that join amino acids
together

Polypeptide chains -ANSWER are long chains of amino acids joined together by
peptide bonds

Keration proteins -ANSWER are long, coiled polypeptide chains

Side Bonds -ANSWER are disulfide, salt and hydrogen bonds that cross-link
polypeptide chains together

Cortex -ANSWER is made up of millions of polypeptide chains cross-linked by three
types of side bonds (disulfide, salt and hydrogen)

Disulfide Bonds -ANSWER Strong chemical side bonds formed when the sulfur
atoms in two adjacent protein chains are joined together (the strongerst of the 3 side
bonds, accounting for about 1/3 of the hairs overall strength) (The chemical physical
changes in disulfide bonds make permanent waving, curl-reforming and relaxing
possible)

Salt Bonds -ANSWER are relatively weak physical side bonds that are the resultof
an attraction between negative and positive eletrical charges (easily broken by changes
in pH and they re-form when the pH returns to normal) (1/3 of the hairs strength)

Hydrogen bonds -ANSWER are weak physical side bonds that are also result of an
attraction between opposite electrical charges (can be broken by water or heat) (re-form
as the hair dries or cools) (1/3 of the hairs strenght)

Permanent Wave alters -ANSWER the side bonds only when done correctly

Permanent Waving -ANSWER is a 2-step process, the hair undergoes a physical
changes caused by wrapping the hair on perm rods and then the hair under goes a

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