Barber Chemical Services Questions
and Answers | Latest Update | 2024/2025
| Already Passed
What is the primary purpose of a relaxer in chemical hair treatments?
✔✔ The primary purpose of a relaxer is to permanently straighten curly or wavy hair by
breaking down the disulfide bonds in the hair shaft.
How does a perm create curls or waves in hair?
✔✔ A perm creates curls or waves by using chemicals to break and reform the hair's disulfide
bonds, reshaping the hair into the desired curl pattern.
What is the role of a neutralizer in a perming process?
✔✔ A neutralizer is used after the perm solution to restore the hair's natural pH level and to set
the curls by re-forming the disulfide bonds in their new shape.
What is the main difference between a permanent and semi-permanent hair color?
✔✔ Permanent hair color penetrates the hair shaft and changes the natural pigment, while semi-
permanent hair color coats the hair and fades over time without penetrating the shaft.
1
, What chemical is commonly used to lighten hair in bleaching processes?
✔✔ Hydrogen peroxide is commonly used in bleaching processes to oxidize the natural pigment
in the hair, lightening its color.
What should be applied to hair immediately after a relaxer to help restore moisture?
✔✔ A deep conditioning treatment should be applied immediately after a relaxer to replenish
moisture and restore the hair's strength and elasticity.
What is the purpose of using a patch test before applying hair dye?
✔✔ A patch test is performed to check for any allergic reactions to the hair dye, ensuring the
safety of the client before applying the product to the entire scalp.
How does a Brazilian blowout differ from a traditional hair relaxer?
✔✔ A Brazilian blowout is a smoothing treatment that uses a keratin-based formula to reduce
frizz and add shine, whereas a traditional relaxer chemically straightens the hair by breaking
down the natural curl pattern.
Why is it important to follow the manufacturer’s instructions when mixing and applying hair
color?
2
and Answers | Latest Update | 2024/2025
| Already Passed
What is the primary purpose of a relaxer in chemical hair treatments?
✔✔ The primary purpose of a relaxer is to permanently straighten curly or wavy hair by
breaking down the disulfide bonds in the hair shaft.
How does a perm create curls or waves in hair?
✔✔ A perm creates curls or waves by using chemicals to break and reform the hair's disulfide
bonds, reshaping the hair into the desired curl pattern.
What is the role of a neutralizer in a perming process?
✔✔ A neutralizer is used after the perm solution to restore the hair's natural pH level and to set
the curls by re-forming the disulfide bonds in their new shape.
What is the main difference between a permanent and semi-permanent hair color?
✔✔ Permanent hair color penetrates the hair shaft and changes the natural pigment, while semi-
permanent hair color coats the hair and fades over time without penetrating the shaft.
1
, What chemical is commonly used to lighten hair in bleaching processes?
✔✔ Hydrogen peroxide is commonly used in bleaching processes to oxidize the natural pigment
in the hair, lightening its color.
What should be applied to hair immediately after a relaxer to help restore moisture?
✔✔ A deep conditioning treatment should be applied immediately after a relaxer to replenish
moisture and restore the hair's strength and elasticity.
What is the purpose of using a patch test before applying hair dye?
✔✔ A patch test is performed to check for any allergic reactions to the hair dye, ensuring the
safety of the client before applying the product to the entire scalp.
How does a Brazilian blowout differ from a traditional hair relaxer?
✔✔ A Brazilian blowout is a smoothing treatment that uses a keratin-based formula to reduce
frizz and add shine, whereas a traditional relaxer chemically straightens the hair by breaking
down the natural curl pattern.
Why is it important to follow the manufacturer’s instructions when mixing and applying hair
color?
2
