COSMETOLOGY CLINICAL EXAM /
QUESTIONS AND CORRECT
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Terms in this set (130)
Perm that uses an ingredient other than
thio-free waves ATG as the primary reducing agent,
such as cysteamine or mercaptamine.
Very weak side bonds; that are the
result of attraction between opposite
electrical charges. Easily broken by
Hydrogen bonds
water or heat. Reform as the hair dries
or cools. Accounts for 1/3 of hairs total
strength
, Weak physical side bonds (cross bonds)
easily broken by change in pH; reform
Salt bonds
when pH balance is restored. Accounts
for 1/3 of hairs total strength.
Substitutes for Aminomethylpropanol (AMP)
ammonia in Monoethanolamine (MEA)
permanent waving
solutions:
Perms that use an ingredient that does
ammonia-free not evaporate as readily as ammonia, so
waves there is very little odor associated with
their use. (AMP or MEA)
Glycerol Main active ingredient in acid balanced
monothioglycolat waving lotions. Primary reducing agent
e in most acid waves. Low pH
Sodium hydroxide Lye relaxers
relaxers are also
known as?
Permanent waves that have a 7.0 or
neutral pH; because of their higher pH,
they process at room temperature, do
acid-balanced
not require the added heat of a hair
waves
dryer, process more quickly, and
produce firmer curls than true acid
waves.
, Disulfide, salt, and hydrogen bonds that
Side bonds
cross-link polypeptide chains together.
keratin proteins Long, coiled polypeptide chains.
Special type of oil used in hair
Silicones conditioners, water-resistant lubricants
for the skin, and nail polish dryers.
When a hydroxide The bonds cannot be reformed with
relaxer breaks the any other chemical treatment
disulfide bond
converting them
to lanthonine
bonds....
-Have a pH between 4.5-7.0 and require
heat to process.
True acid waves
-He process slower than alkaline waves
-GMTG is the active ingredient
pH level of 2.5-4.5
Hydrogen
Peroxide