PSI Cosmetology Theory Exam Questions and Answers 100% Correct
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Course
PSI Cosmetology Theory
Institution
PSI Cosmetology Theory
Hard Water - ANSWER-Minerals that lessen the ability of the shampoo to lather
Purified water/Deionized water - ANSWER-Main ingredient in shampoo
Surfactant - ANSWER-has two ends the HYDROPHILIC HEAD and LIPOPHILIC TAIL
Hydrophilic Head - ANSWER-Attracted to water
Lipophilic Tail - ANSWE...
PSI Cosmetology Theory Exam
Questions and Answers 100% Correct
Soft Water/ Rain water - ANSWER-Best for shampooing and allows shampoo to
lather freely
Hard Water - ANSWER-Minerals that lessen the ability of the shampoo to lather
Purified water/Deionized water - ANSWER-Main ingredient in shampoo
Surfactant - ANSWER-has two ends the HYDROPHILIC HEAD and LIPOPHILIC
TAIL
Hydrophilic Head - ANSWER-Attracted to water
Lipophilic Tail - ANSWER-Attracted to dirts and oils
Acid Balanced Shampoo - ANSWER-pH of 4.5-5.5
Jheri Redding - ANSWER-first to introduce pH balanced shampoo in the 1960s
Clarifying Shampoo - ANSWER-acidic base to cut through buildup on the hair strand
Humectants - ANSWER-Most conditioners carry this. Promote retention of moisture
Instant conditioners - ANSWER-remain on the hair 1-5 minutes
Protein Conditoners - ANSWER-brown liquids and penetrate into the cortex to
temporarily improve porosity and increase elasticity
Infraed Lamps - ANSWER-may be used with hair treatments and scalp tonics for 5
minutes
High Frequency Unit - ANSWER-used to normalize oily scalp conditioners! Also
never should be used with tonics that contain alcohol
Base Control - ANSWER-position of the rod in relation to its base section
croquignole perm wrap - ANSWER-wrapped perpendicular to the scalp starting with
the ends
Spiral Perm Wrap - ANSWER-Wound from the ends to scalp and rods hang vertical
Concave Rods - ANSWER-most common and have a smaller center circumference
, Straight Rods - ANSWER-uniform circumference
Alkaline Permanent - ANSWER-softens and swell the hair which raises the cuticle.
Developed in 1941
Ammonium Thioglycolate (ATG) - ANSWER-main ingredient or reducing agent in
alkaline perms
Alkaline Waves ( COLD WAVES) - ANSWER-process at room temp
Acid Perms - ANSWER-Main ingredient is glyceryl monothioglycolate (GMTG)
Exothermic perms - ANSWER-reaction that causes heat. contains hydrogen
peroxide
Endothermic Perms - ANSWER-activated by outside heat source. True Acid perms
are endothermic
Disulfide Bonds - ANSWER-if too many are broken the hair will become over
processed and have a weak curl
What is the main ingredient in a neutralizer - ANSWER-Hydrogen Peroxide
Do not shampoo hair - ANSWER-48 hours after a perm
Cuticle - ANSWER-outer most layer of the hair
Cortex - ANSWER-middle layer of the hair where all chemical processes take place
Melanin - ANSWER-Natural pigment located in the cortex
Peptide Bonds - ANSWER-called end bonds link together to form polypeptide
chains. Should not be broken.
What are the three side bonds? - ANSWER-Disulfide, Salt,Hydrogen, Side/Cross
Disulfide Bonds - ANSWER-strognest. Must be broken when perming or relaxing the
hair
Salt bonds - ANSWER-Weak physical side bonds that are easily broken by changes
in pH
Hydrogen Bonds - ANSWER-broken by water or heat
EX: Wet Set
Hair Texture - ANSWER-Diameter of a single strand
Hair Density - ANSWER-number of strands of hair are on the head
Hair Porosity - ANSWER-Absorb mositure
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