#1
Which chemical process lightens the natural color of hair?
Bleaching
ExplanationBleaching lightens hair color by removing pigment.
#2
What is the primary active ingredient in most hair bleach products?
Hydrogen peroxide
ExplanationHydrogen peroxide is the primary bleaching agent in hair bleach products.
#3
Which of the following is a common side effect of using chemical relaxers?
Hair breakage
ExplanationChemical relaxers can weaken hair, leading to breakage.
#4
What is the purpose of a toner in hair color processing?
To neutralize unwanted tones
ExplanationToner is used to counteract unwanted undertones in hair color.
#5
What is the purpose of a strand test in hair coloring?
To assess how the color will appear on the hair
ExplanationA strand test helps predict the final color result on hair.
#6
Which chemical process involves breaking and rearranging disulfide bonds in the hair?
Perming
ExplanationPerming breaks and reforms disulfide bonds to change hair shape.
#7
What is the main function of a developer in hair dyeing?
To create a chemical reaction with the hair color
ExplanationDeveloper initiates the chemical reaction that deposits color.
#8
Which type of hair dye typically lasts the longest before needing to be reapplied?
Permanent
ExplanationPermanent dye provides long-lasting color results.
#9
Which of the following is NOT a commonly used hair dye ingredient?
Oxygen
ExplanationOxygen is not a typical hair dye ingredient.
#10
Which of the following is NOT a common ingredient in hair relaxers?
Ammonium thioglycolate
ExplanationAmmonium thioglycolate is not a typical relaxer ingredient.
#11
What is the main function of a filler in hair coloring?
To replace missing pigment
ExplanationFillers replace lost pigment, aiding in color balance.
#12
Which of the following is NOT a commonly used ingredient in hair bleach?
Ammonium thioglycolate
ExplanationAmmonium thioglycolate is not typically used in hair bleach products.