Biochemistry /Cosmetology: Chapter 20: Chemical Texture Services Part 2
Cosmetology: Chapter 20: Chemical Texture Services Part 2
This deck covers key concepts from Chapter 20 on chemical texture services, focusing on chemical texturizers, perming, and relaxing techniques.
Chemical texturizers ________ the pH of the hair. A. lower B. raise C. neutralize D. do not affect
B. raise
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Key Terms
Term
Definition
Chemical texturizers ________ the pH of the hair.
A. lower B. raise C. neutralize D. do not affect
B. raise
When should you perform an elasticity test?
A. before the hair perming B. while perming hair C. after perming hair D. never
A. before the hair perming
Porous hair:
A. is difficult to penetrate B. should never be permed C. can be damaged by a highly alkaline permanent waving solution D. can be damaged by a highly acidic permanent waving solution
C. can be damaged by a highly alkaline permanent waving solution
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GMTG, the primary reducing agent in all acid waves, has:
A. no pH B. a neutral pH C. a high pH D. a low pH
B. a neutral pH
True acid waves:
A. have a pH between 5.5-8.0 B. require heat to process C. process very quickly D. produce a very firm curl
D. produce a very firm curl
Ammonia-free waves:
A. have a very strong odor B. are very acidic C. contain some ammonia D. can be damaging
D. can be damaging
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| Term | Definition |
|---|---|
Chemical texturizers ________ the pH of the hair.
A. lower B. raise C. neutralize D. do not affect | B. raise |
When should you perform an elasticity test?
A. before the hair perming B. while perming hair C. after perming hair D. never | A. before the hair perming |
Porous hair:
A. is difficult to penetrate B. should never be permed C. can be damaged by a highly alkaline permanent waving solution D. can be damaged by a highly acidic permanent waving solution | C. can be damaged by a highly alkaline permanent waving solution |
GMTG, the primary reducing agent in all acid waves, has:
A. no pH B. a neutral pH C. a high pH D. a low pH | B. a neutral pH |
True acid waves:
A. have a pH between 5.5-8.0 B. require heat to process C. process very quickly D. produce a very firm curl | D. produce a very firm curl |
Ammonia-free waves:
A. have a very strong odor B. are very acidic C. contain some ammonia D. can be damaging | D. can be damaging |
In permanent waving, most of the processing takes place within:
A. 5-10 minutes B. 10-20 minutes C. 20-30 minutes D. 45-60 minutes | A. 5-10 minutes |
With permanent waving, it is recommended that you:
A. perm hair that has previously been treated with hydroxide relaxers B. perm excessively damaged hair C. examine the scalp before the perm service D. perform a test for metallic salts only if the client requests it | C. examine the scalp before the perm service |
With extremely curly hair, the twists are the __ sections of the hair strands.
A. thickest and strongest B. thinnest and weakest C. thickest and weakest D. thinnest and strongest | B. thinnest and weakest |
Relaxers are:
A. extremely alkaline B. extremely acidic C. mildly alkaline D. mildly acidic | A. extremely alkaline |
If a client's hair has been treated with a hydroxide relaxer, it:
A. has disulfide bonds that are in the process of reforming B. has strong disulfide bonds C. is ideal for permanent waving D. will not hold a curl | D. will not hold a curl |
A is a perm wrap in which one end paper is placed under and another is placed over the strand of hair being wrapped.
A. double flat wrap B. double-rod wrap C. croquignole perm wrap D. single flat wrap | A. double flat wrap |
Which type of rods are usually about 12-inches (30.5 centimeters) long with a uniform diameter along the entire length?
A. straight rods B. loop rods C. soft bender rods D. circle rods | C. soft bender rods |
Thioglycolic acid:
A. has no odor B. is a common reducing agent C. is dark in color D. has a pleasant scent | B. is a common reducing agent |
The _ is the innermost layer of the hair.
A. cortex B. base C. medulla D. cuticle | C. medulla |
The partings and bases radiate throughout the panes to follow the curvature of the head in which type of wrap?
A. bricklay permanent wrap B. double flat wrap C. spiral perm wrap D. curvature permanent wrap | D. curvature permanent wrap |
The chemical bonds that join amino acids together are called:
A. hydrogen bonds B. peptide bonds C. disulfide bonds D. thio bonds | B. peptide bonds |
A is a type of perm wrap in which the hair is wrapped at an angle other than perpendicular to the length of the rod.
A. spiral perm wrap B. straight set wrap C. basic permanent wrap D. bookend wrap | A. spiral perm wrap |
Which of these is a method of hair straightening that combines the use of a thio relaxer with flat ironing?
A. weave technique B. Japanese thermal straightening C. thio neutralization D. no-base relaxing | B. Japanese thermal straightening |
Which type of relaxer requires the application of a protective base cream to the entire scalp prior to the application of the relaxer?
A. hydroxide relaxer B. metal hydroxide relaxer C. thio relaxer D. base relaxer | D. base relaxer |