Chemical Texture Services

Question 1

Bonds joining amino acids

Answer 1

peptide bonds

Question 2

long coiled polypeptide chains

Answer 2

keratin proteins

Question 3

the most common reducing agent in perms

Answer 3

thioglycolic acid

Question 4

what is the main active ingredient in true acid and acid balanced waving lotions; has a low pH

Answer 4

glyceryl monothioglycolate

Question 5

These waves have a pH of 4.5 - 7.0 and require heat; best for damaged hair

Answer 5

true acid waves

Question 6

These waves have a pH of 7.0 and process at room temp

Answer 6

acid balanced waves

Question 7

Most processing takes places in how much time

Answer 7

5 - 10 minutes

Question 8

How long must perm solution be rinsed

Answer 8

5 minutes

Question 9

Which relaxers are known as no lye

Answer 9

thio and guanidine

Question 10

which relaxers are lye based

Answer 10

sodium hydroxide

Question 11

Which relaxer uses strong alkalis and has a pH less than 13

Answer 11

hydroxide relaxers

Question 12

What is the process in which hydrogen relaxers permanently straighten hair

Answer 12

lanthionization

Question 13

What is sold as no mix no lye relaxers

Answer 13

lithium hydroxide and potassium hydroxide

Question 14

What is used as low pH relaxers

Answer 14

sulfites and bisulfites

Question 15

Most acid waves in salons have a pH of

Answer 15

9-10

Question 16

the chemical texture service that loosens overly curly hair or changes tightly curly or coiled hair into loose curls or waves is
a. curl softening
b. curl reforming

Answer 16

b. curl reforming

Question 17

the technique of wrapping the hair at an angle of 90 degrees or perpendicular to it’s base section is
a. half off base
b. on base
c. off base
d. full base

Answer 17

a. half off base

Question 18

thio relaxers usually have a pH above
a. 5
b. 10
c. 9
d. 6

Answer 18

b. 10

Question 19

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

Answer 19

a. acid balanced shampoo

Question 20

which type of relaxer contains only one component and is used exactly as it is packaged with no mixing necessary?
a. thio relaxers
b. lye based relaxers
c. metal hydroxide relaxers
d. acid based relaxers

Answer 20

c. metal hydroxide

Question 21

which of these permanent waves processes at room temp
a. acid balanced waves
b. true acid waves

Answer 21

a. acid balanced

Question 22

when should you perform an elasticity test when perming
a. before
b. during
c. after

Answer 22

a. before

Question 23

GMTG, the primary reducing agent in most acid waves, has
a. a neutral pH
b. a high pH
c. a low pH

Answer 23

c. a low pH

Question 24

a _______ is a wrapping pattern in which all the rods within a panel move in the same direction and are positioned on equal sized bases
a. basic permanent wrap
b. croquinole wrap

Answer 24

a. basic permanent wrap

Question 25

manufacturers add an alkalizing agent to waving solutions because the acid in the solutions ________ a. swells the hair b. penetrates into the cortex c. both swells the hair and penetrates into the cortex d. does not swell the hair or penetrate the cortex

Answer 25

d. does not swell the hair or penetrate the cortex

Question 26

most acid waves found in salon's have a pH between a. 7.8-8.2 b. 9.5-10.5 c. 3.8-4.2 d. 4.5-5.5

Answer 26

a. 7.8-8.2

Question 27

which perm is recommended for extremely porous hair a. true acid b. exothermic c. ammonia free d. alkaline

Answer 27

a. true acid

Question 28

What kind of waves are sulfites used in? a. low-pH b. ammonia-free c. endothermic d. thio-free

Answer 28

a. low-pH

Question 29

A pH of _____ is neutral for hair. a. 4 b. 7 c. 5 d. 9

Answer 29

c. 5

Question 30

About how long do keratin-based chemical treatment results last on average? a. 2 months b. 4 months c. a few weeks d. 1 week

Answer 30

b. 4 months

Question 31

The first function of thio neutralization is the: a. reformation of side bonds b. deactivation of any remaining waving lotion c. rebuilding of disulfide bonds d. removal of hydrogen

Answer 31

b. deactivation of any remaining waving lotion

Question 32

The _____ uses zigzag partings to divide base areas. a. basic permanent wrap b. weave technique c. bricklay permanent wrap d. curvature permanent wrap

Answer 32

b. weave technique

Question 33

Hydroxide chemical hair relaxers break disulfide bonds and convert them to: a. hydrogen bonds b. salt bonds c. lanthionine bonds d. peptide bonds

Answer 33

c. lanthionine bonds

Question 34

The most common type of perm rod is the: a. loop rod b. soft bender rod c. concave rod d. straight rod

Answer 34

c. concave rod

Question 35

It is recommended that you apply base cream when using: a. no-base relaxers b. base relaxers c. both base relaxers and no-base relaxers d. neither base relaxers nor no-base relaxers

Answer 35

c. both base relaxers and no-base relaxers

Question 36

Thio relaxers use the same ATG that is used in permanent waving, but at a: a. lower concentration and a higher pH b. lower concentration and a lower pH c. higher concentration and a higher pH d. higher concentration and a lower pH

Answer 36

c. higher concentration and a higher pH

Question 37

A properly processed permanent wave should break and rebuild approximately _____ percent of the hair's disulfide bonds. a. 75 b. 95 c. 50 d. 25

Answer 37

c. 50