COSMETOLOGY THEORY EXAM REVIEW
2026 SOLVED QUESTIONS AND CORRECT
ANSWERS VERIFIED
●● 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
2026 SOLVED QUESTIONS AND CORRECT
ANSWERS VERIFIED
●● 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
