Row 1
What was the active ingredient used in the first cold wave?
thioglycolate acid
What perms cause minimal swelling and must be wrapped with firm, even tension?
acid
Asking questions and analyzing the client's perm history and hair is part of which service essential?
Consult
For perming, the pH of a neutralizer will range from
2.5 to 7
What reduces the swelling of the hair and re-hardens the bonds in the new shape during a perm process?
applying a neutralizer
the chemical phase of perming involves all of the following EXCEPT
wrapping hair around the perm tool
The alkalinity of cold waves causes the hair fiber to soften and:
swell
Which perm tool determines the size and shape of the new curl texture?
perm rod
In 1926, the croquignole method of wrapping hair from the ends to the scalp was created. What is another name for this wrapping method?
overlap method
Never perm hair that has been treated with metallic salts or a
Sodium hydroxide relaxer
In what year was the first cold wave created?
1938
What provides the tension necessary in an alkaline wave?
swelling of the hair
after completing a service, it is important to update the client’s
record
In alkaline perms, the perm solution chemically breaks or reduces the
strong disulfide bonds
Which element do most acid perms use along with tension and waving lotion to process hair?
heat
Which phase of perming is the most important?
physical and chemical phase are equally important
Hair should be wrapped without tension when using
alkaline perms
What is applied to a client's hairline prior to the chemical phase of the perm service?
protective cream
Acid perms are in the pH range of
6.9-7.2
Heat waves that are self-timed and self-heated and range from acid to alkaline are called
exothermic
The two major phases of permanent waving are
physical and chemical
What structure must be permanently broken to change the hair from straight to a wavy or curly formation?
disulfide bonds
Heat and wrapping with firm, even tension when using an acid perm produces which of the following effects?
boosts penetration of glyceryl monothioglycolate
Which of the following statements is true about alkaline perms
strong curl pattern
It is essential to completely rinse the perm solution before applying the
neutralizer