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...
psi cosmetology theory exam 2023 questions and answers
soft water rain water
purified waterdeionized water
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PSI Cosmetology Theory
PSI Cosmetology Theory
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PSI Cosmetology Theory Exam 2023 Questions and Answers
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
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