Chemical Texture Services Flashcards
Bonds joining amino acids
peptide bonds
long coiled polypeptide chains
keratin proteins
the most common reducing agent in perms
thioglycolic acid
what is the main active ingredient in true acid and acid balanced waving lotions; has a low pH
glyceryl monothioglycolate
These waves have a pH of 4.5 - 7.0 and require heat; best for damaged hair
true acid waves
These waves have a pH of 7.0 and process at room temp
acid balanced waves
Most processing takes places in how much time
5 - 10 minutes
How long must perm solution be rinsed
5 minutes
Which relaxers are known as no lye
thio and guanidine
which relaxers are lye based
sodium hydroxide
Which relaxer uses strong alkalis and has a pH less than 13
hydroxide relaxers
What is the process in which hydrogen relaxers permanently straighten hair
lanthionization
What is sold as no mix no lye relaxers
lithium hydroxide and potassium hydroxide
What is used as low pH relaxers
sulfites and bisulfites
Most acid waves in salons have a pH of
9-10
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
b. curl reforming
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
a. half off base
thio relaxers usually have a pH 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 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
c. metal hydroxide
which of these permanent waves processes at room temp
a. acid balanced waves
b. true acid waves
a. acid balanced
when should you perform an elasticity test when perming
a. before
b. during
c. after
a. before
GMTG, the primary reducing agent in most acid waves, has
a. a neutral pH
b. a high pH
c. a low pH
c. a low pH
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
a. basic permanent wrap
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
d. does not swell the hair or penetrate the cortex
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
a. 7.8-8.2
which perm is recommended for extremely porous hair
a. true acid
b. exothermic
c. ammonia free
d. alkaline
a. true acid
What kind of waves are sulfites used in?
a. low-pH
b. ammonia-free
c. endothermic
d. thio-free
a. low-pH
A pH of _____ is neutral for hair.
a. 4
b. 7
c. 5
d. 9
c. 5
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
b. 4 months
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
b. deactivation of any remaining waving lotion
The _____ uses zigzag partings to divide base areas.
a. basic permanent wrap
b. weave technique
c. bricklay permanent wrap
d. curvature permanent wrap
b. weave technique
Hydroxide chemical hair relaxers break disulfide bonds and convert them to:
a. hydrogen bonds
b. salt bonds
c. lanthionine bonds
d. peptide bonds
c. lanthionine bonds
The most common type of perm rod is the:
a. loop rod
b. soft bender rod
c. concave rod
d. straight rod
c. concave rod
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
c. both base relaxers and no-base relaxers
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
c. higher concentration and a higher pH
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
c. 50
