Biochemistry /Cosmetology: Chapter 20: Chemical Texture Services Part 1
Cosmetology: Chapter 20: Chemical Texture Services Part 1
This deck covers key concepts from Chapter 20 on chemical texture services, focusing on techniques, chemical reactions, and tools used in cosmetology.
The chemical texture service that loosens overly curly hair into loose curls or waves is: A. curl softening B. curl re-formation C. alternate waving D. swelling compound
b. curl re-formation
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Key Terms
Term
Definition
The chemical texture service that loosens overly curly hair into loose curls or waves is:
A. curl softening
B. curl re-formation
C. alternate waving
D. swelling compound
b. curl re-formation
The layer of the hair that provides strength and elasticity is the:
A. medulla
B. regular
C. cortex
D. arrector
C. cortex
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The natural pH of hair is:
A. 4.5
B. 5.0
C. 7.0
D. 8.0
b. 5.0
In permanent waving, the size of the curl is determined by the:
A. position of the rod
B. length of the hair
C. wrapping of the rod
D. size of the rod
d. size of the rod
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The technique of wrapping at a 90-degree angle or straight out from the center is:
A. half off-base placement
B. on-base placement
C. off-base placement
D. full base placement
a. half off-base placement
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The two basic types of wrapping hair around a perm rod are the spiral method and:
A. loop method
B. croquignole method
C. placement method
D. horizontal method
b. croquignole method
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| Term | Definition |
|---|---|
The chemical texture service that loosens overly curly hair into loose curls or waves is:
A. curl softening
B. curl re-formation
C. alternate waving
D. swelling compound | b. curl re-formation |
The layer of the hair that provides strength and elasticity is the:
A. medulla
B. regular
C. cortex
D. arrector | C. cortex |
The natural pH of hair is:
A. 4.5
B. 5.0
C. 7.0
D. 8.0 | b. 5.0 |
In permanent waving, the size of the curl is determined by the:
A. position of the rod
B. length of the hair
C. wrapping of the rod
D. size of the rod | d. size of the rod |
The technique of wrapping at a 90-degree angle or straight out from the center is:
A. half off-base placement
B. on-base placement
C. off-base placement
D. full base placement | a. half off-base placement |
The two basic types of wrapping hair around a perm rod are the spiral method and:
A. loop method
B. croquignole method
C. placement method
D. horizontal method | b. croquignole method |
A reduction reaction involves either the addition of hydrogen or removal of:
A. oxygen
B. peroxide
C. carbon
D. nitrogen | a. oxygen |
Most alkaline permanent waves have a pH between:
A. 9.0-9.6
B. 10.0-10.8
C. 8.0-9.0
D. 7.6-8.4 | a. 9.0-9.6 |
The basic components of acid waves are permanent wave solution, activator and:
A. conditioner
B. stabilizer
C. neutralizer
D. shampoo | C. neutralizer |
The endothermic wave must be activated using a(n):
A. ammonia lotion
B. outside heat source
C. sulfite source
D. reducing agent | b. outside heat source |
Permanent wave solution should be rinsed from the hair for a minimum of:
A. 2 minutes
B. 10 minutes
C. 15 minutes
D. 5 minutes | d. 5 minutes |
The process of rearranging extremely curly hair into a straighter or smoother form is:
A. chemical hair relaxing
B. chemical smoothing
C. continuation
D. neutralizing | a. chemical hair relaxing |
Thio chemical relaxers usually have a pH value above:
A. 5
B. 10
C. 9
D. 6 | b. 10 |
Hydroxide ions left in the hair after a relaxer can be neutralized using a(n):
A. acid-balanced shampoo
B. conditioning rinse
C. thio neutralizer
D. acid-free shampoo | a. acid-balanced shampoo |
Which type of relaxer contains one component and is used without any additional mixing?
A. thio relaxers
B. lye-based relaxers
C. metal hydroxide relaxers
D. acid-base relaxers | C. metal hydroxide relaxers |
Lithium hydroxide relaxers and potassium hydroxide relaxers are often advertised and sold as:
A. conditioner relaxers
B. no-lye relaxers
C. no chemical relaxers
D. lye relaxers | b. no-lye relaxers |
Which type of bonds are relatively weak physical side bonds that are the result of an attraction between negative and positive electrical changes?
A. disulfide bonds
B. polypeptide bonds
C. salts bonds
D. waving bonds | C. salts bonds |
Which type of rod is also commonly known as a circle rod?
A. loops rods
B. soft bender rods
C. concave rods
D. straight rods | a. loops rods |
For on-base placement, the hair is wrapped at a ________ angle beyond perpendicular to its base section, and the rod is positioned on its base.
A. 180-degree
B. 15-degree
C. 90-degree
D. 45-degree | d. 45-degree |
Which of these permanent waves processes at room temperature?
A. ammonia-free wave
B. exothermic wave
C. low-pH wave
D. true acid wave | a. ammonia-free wave |