Hair Color and Chemical Treatments: Learn the Basics for Cosmetology

Question 1

Which type of hair color fades gradually over a period of 4-6 weeks?

Accepted Answer

Demi-permanent hair color

Answer

Permanent hair color

Answer

Temporary hair color

Answer

Natural hair color

Question 2

Which chemical treatment enables lightening the hair's color up to seven shades?

Accepted Answer

Bleaching

Answer

Tinting

Answer

Perming

Answer

Relaxing

Question 3

Which hair highlighting technique uses freehand painting to create a natural blend of colors?

Accepted Answer

Balayage

Answer

Foiling

Answer

Ombré

Answer

Color melting

Question 4

Which of the following is a benefit of using semi-permanent hair color?

Accepted Answer

It is less damaging than permanent hair color

Answer

It is permanent

Answer

It covers grey hairs effectively

Question 5

What is a primary distinction between hair coloring and chemical treatments?

Accepted Answer

Chemical treatments change the hair's structure, while hair coloring does not.

Answer

Hair coloring is temporary, while chemical treatments are permanent.

Answer

Hair coloring is always done at home, while chemical treatments require a professional.

Answer

Hair coloring is always more expensive than chemical treatments.

Question 6

What is the active ingredient in hair bleach?

Accepted Answer

Hydrogen peroxide

Answer

Sodium hydroxide

Answer

Potassium permanganate

Answer

Ammonia

Question 7

Which chemical treatment is used to alter the texture of curly hair to make it straighter?

Accepted Answer

Relaxer

Answer

Bleach

Answer

Dye

Answer

Perm

Question 8

What is the function of a developer in hair coloring?

Accepted Answer

To activate the dye molecules and facilitate their penetration into the hair shaft.

Answer

To lighten the hair

Answer

To protect the hair from damage

Answer

To add shine to the hair

Question 9

What is the defining characteristic that differentiates single-process hair color from double-process hair color?

Accepted Answer

Single-process hair color involves the application of a single color, while double-process hair color involves the application of two or more colors.

Answer

Single-process hair color is permanent, while double-process hair color is semi-permanent.

Answer

Single-process hair color is more expensive than double-process hair color.

Question 10

What is the initial and most crucial step in the hair color consultation process?

Accepted Answer

Conduct a thorough analysis of the client's hair, scalp, and desired outcome through a comprehensive consultation.

Answer

Apply a patch test to check for potential allergic reactions.

Answer

Mix the hair color according to the manufacturer's instructions.

Question 11

What is the primary purpose of using a toner in hair coloring?

Accepted Answer

To adjust, correct, or enhance the hair color by neutralizing unwanted tones or intensifying desired tones.

Answer

To lighten the hair

Answer

To add volume to the hair

Question 12

Which of the following is NOT a common type of hair color service?

Accepted Answer

Perming

Answer

Highlighting

Answer

Bleaching

Answer

Toning

Question 13

What is the chemical ingredient responsible for lightening hair during the bleaching process?

Accepted Answer

Hydrogen peroxide

Answer

Potassium permanganate

Answer

Ammonium hydroxide

Answer

Sodium hydroxide

Question 14

Which chemical treatment alters the hair's structure to achieve a straightening effect?

Accepted Answer

Relaxing

Answer

Bleaching

Answer

Dyeing

Answer

Toning

Question 15

What is the main function of a toner in hair coloring?

Accepted Answer

To adjust and neutralize unwanted color tones

Answer

To darken hair

Answer

To remove bleach

Answer

To lighten hair

Question 16

Which of the following is a potential risk associated with chemical hair treatments?

Accepted Answer

Hair breakage

Answer

Improved hair texture

Answer

Reduced scalp irritation

Answer

Increased hair growth

Question 17

What is the purpose of conducting a porosity test before applying hair color?

Accepted Answer

To determine the hair's ability to absorb and retain color

Answer

To check the hair's pH level

Answer

To assess the hair's strength

Answer

To identify any allergies

Question 18

A deep conditioner is recommended after a chemical hair treatment primarily because it:

Accepted Answer

Replenishes moisture and improves hair hydration

Answer

Removes chemical residue

Answer

Straightens hair

Answer

Lightens hair color

Question 19

For blow-drying hair after a chemical treatment, what temperature range is recommended?

Accepted Answer

Medium heat (150-175°F)

Answer

High heat (180-200°F)

Answer

Low heat (100-125°F)

Answer

Hot heat (200-225°F)

Question 20

A client with level 5 light brown hair requests a level 9 light blonde color. Which factor should you primarily consider before starting the service?

Accepted Answer

The client's hair condition and history of chemical treatments

Answer

The client's personal style and preferences

Answer

The client's skin tone and eye color

Question 21

Which type of hair color penetrates the hair shaft and permanently modifies the natural pigment, providing long-lasting results?

Accepted Answer

Permanent hair color

Answer

Demi-permanent hair color

Answer

Temporary hair color

Answer

Semi-permanent hair color

Question 22

In the hair coloring process, what is the primary function of the developer (hydrogen peroxide)?

Accepted Answer

To lift the natural hair color by breaking down the melanin pigments

Answer

To neutralize the alkalinity of the hair dye

Answer

To condition and add shine to the hair

Question 23

A client with unwanted brassy tones in their blonde hair seeks a solution. Which type of hair toner is most appropriate for neutralizing these tones?

Accepted Answer

Violet toner

Answer

Blue toner

Answer

Red toner

Answer

Green toner

Question 24

What is the primary purpose of performing a patch test before applying hair color?

Accepted Answer

To identify any potential allergic reactions to the hair color product

Answer

To assess the natural hair color level of the client

Answer

To determine the porosity of the client's hair

Question 25

Which type of chemical hair treatment irreversibly alters the structure of curly or wavy hair, resulting in permanent straightening?

Accepted Answer

Relaxer

Answer

Keratin treatment

Answer

Thermal reconditioning

Answer

Perm

Question 26

What is the fundamental difference between an alkaline perm and an acidic perm?

Accepted Answer

The pH level of the perm solution

Answer

The processing time required

Answer

The hair type for which the perm is suitable

Answer

The size of the perm rods used

Question 27

When determining the processing time for a chemical treatment, which factors are most crucial to consider?

Accepted Answer

Hair porosity, texture, previous treatments, and the desired result

Answer

Air temperature and humidity in the salon

Answer

Client's age and hair length

Answer

Brand and type of chemical product used

Question 28

After completing a chemical treatment, why is it essential to thoroughly rinse and neutralize the hair?

Accepted Answer

To stop the chemical reaction, restore the hair's pH balance, and remove any residual chemicals

Answer

To improve the vibrancy of the color

Answer

To prevent the treatment from transferring to clothing

Question 29

A client with level 6 dark blonde hair wants to achieve a level 10 platinum blonde color. Which chemical process is most likely necessary to achieve this significant lift?

Accepted Answer

Bleaching

Answer

Using a high-lift color

Answer

Toning

Answer

Double processing with hair color

Question 30

What is the main function of a developer in hair coloring?

Accepted Answer

To lift or lighten the natural pigment in the hair shaft.

Answer

To neutralize unwanted tones in the hair.

Answer

To protect the hair from damage during the coloring process.

Answer

To deposit color directly into the hair shaft.

Question 31

What is the key difference between a permanent wave and a relaxer?

Accepted Answer

A permanent wave changes the hair's shape, while a relaxer alters its texture by breaking down bonds.

Answer

A permanent wave is for all hair types, while a relaxer is only for curly hair.

Answer

A permanent wave is temporary, while a relaxer is permanent.

Question 32

A client with highly porous hair is getting a bleach treatment. What precaution should the cosmetologist take?

Accepted Answer

Use a low-volume developer and apply the bleach in sections to minimize damage.

Answer

Use a high-volume developer for quicker lifting.

Answer

Apply the bleach in one application for faster results.

Question 33

Which of the following is a potential risk associated with frequent hair coloring?

Accepted Answer

Hair breakage and damage.

Answer

Improved hair texture.

Answer

Reduced risk of scalp infections.

Answer

Increased hair growth.

Question 34

What is the purpose of using a toner after bleaching?

Accepted Answer

To neutralize unwanted yellow or brassy tones and achieve the desired shade.

Answer

To protect the hair from further damage.

Answer

To add shine and vibrancy to the hair.

Question 35

When choosing a chemical hair treatment for a client, what is the most important factor to consider?

Accepted Answer

The client's hair type, condition, and desired outcome.

Answer

The cost of the treatment.

Answer

The availability of the product.

Question 36

Which type of hair color is most likely to cause significant damage if applied incorrectly?

Accepted Answer

Bleach.

Answer

Temporary hair dye.

Answer

Semi-permanent hair dye.

Answer

Permanent hair dye.

Question 37

A client wants to go from dark brown to platinum blonde. What is the most crucial step before applying bleach?

Accepted Answer

Perform a strand test to check the hair's lifting capabilities and potential damage.

Answer

Apply a deep conditioning treatment.

Answer

Use a color remover to remove existing color.

Question 38

What is the primary purpose of a developer in hair color?

Accepted Answer

To lift the natural pigment in the hair shaft.

Answer

To protect the hair from damage.

Answer

To enhance the shine of the hair.

Answer

To deposit color into the hair shaft.

Question 39

A client has a history of allergic reactions to hair dye. What is the most important step before applying color?

Accepted Answer

Perform a patch test 24-48 hours before the full application to check for any allergic reactions.

Answer

Apply a barrier cream to the scalp.

Answer

Use a lower volume developer.

Question 40

What is the fundamental distinction between permanent and semi-permanent hair dyes?

Accepted Answer

Permanent dye alters the natural pigment structure of the hair, while semi-permanent dye coats only the outer layer of the hair shaft.

Answer

Permanent dye is less damaging to the hair.

Answer

Semi-permanent dye has a longer-lasting effect.

Question 41

A client requests a temporary and vibrant color change for a special occasion. Which hair color treatment would be most suitable?

Accepted Answer

Temporary hair spray or hair chalk.

Answer

Bleaching.

Answer

Semi-permanent hair dye.

Answer

Permanent hair dye.

Question 42

What is the primary function of a toner in hair coloring?

Accepted Answer

To neutralize unwanted warmth or cool down the hair color.

Answer

To deposit new color pigments into the hair shaft.

Answer

To lighten the natural pigment in the hair shaft.

Question 43

A client desires to enhance the volume and texture of their fine, straight hair. Which chemical treatment would be appropriate?

Accepted Answer

Perming.

Answer

Coloring.

Answer

Relaxing.

Question 44

When assessing a client's hair before applying a chemical treatment, what factor is of utmost importance?

Accepted Answer

The porosity and elasticity of the hair.

Answer

The client's age.

Answer

The client's hair color.

Answer

The client's lifestyle.

Question 45

Which of the following is not considered a type of hair color?

Accepted Answer

Highlighting.

Answer

Toning.

Answer

Bleaching.

Question 46

What is the primary chemical used in the process of bleaching hair?

Accepted Answer

Hydrogen peroxide.

Answer

Potassium hydroxide.

Answer

Ammonia.

Answer

Sodium hydroxide.

Question 47

Which of the following is an advantage of using semi-permanent hair dye?

Accepted Answer

It fades gradually over time.

Answer

It provides permanent color.

Answer

It completely covers gray hair.

Answer

It lifts the hair up to 3 levels.

Question 48

What is the purpose of using a toner in hair coloring?

Accepted Answer

To adjust the color tone and remove unwanted undertones.

Answer

To condition and strengthen the hair.

Answer

To lift the hair up to 2 levels.

Question 49

Which chemical treatment is used to create permanent curls or waves in hair?

Accepted Answer

Perming.

Answer

Bleaching.

Answer

Relaxing.

Answer

Straightening.

Question 50

What is the main cause of hair damage during chemical treatments?

Accepted Answer

Chemical breakdown of the hair's protein structure

Answer

Overexposure to UV rays

Answer

Heat damage caused by styling tools

Question 51

Which of the following is a safety precaution to follow when performing chemical treatments?

Accepted Answer

Wearing protective gloves

Answer

Using expired products

Answer

Ignoring client allergies

Question 52

What is the purpose of using a pre-treatment before a chemical hair treatment?

Accepted Answer

To protect the hair from damage

Answer

To lighten the hair up to 1 level

Answer

To remove unwanted color

Answer

To speed up the processing time

Question 53

Which of the following is a sign of over-processed hair?

Accepted Answer

Elasticity loss and breakage

Answer

Increased volume and body

Answer

Natural-looking color

Answer

Shiny, healthy appearance

Question 54

What is the ethical responsibility of a cosmetologist when recommending chemical hair treatments to clients?

Accepted Answer

Providing accurate information and considering their individual needs

Answer

Ignoring potential risks or allergies

Answer

Promoting unnecessary treatments for financial gain