Level 2 EPA Knowledge test

Question 1

How can a hairdresser contribute to the financial success of the salon?

Accepted Answer

By promoting retail products and recommending additional services

Question 2

Which of the following best describes the function of a chemical relaxer in a permanent hair restructuring treatment?

Accepted Answer

To alter the hair’s natural texture by breaking internal bonds

Question 3

What is the role of hydrogen peroxide in permanent hair colouring?

Accepted Answer

To lighten the natural pigment and develop the colour

Question 4

What is the function of the cuticle layer of the hair?

Accepted Answer

To protect the inner layers of the hair shaft

Question 5

Why is it important to recommend additional services or products to clients during their visit?

Accepted Answer

To enhance the client’s experience and meet their hair needs

Question 6

What is the purpose of using sectioning when cutting hair?

Accepted Answer

To ensure an even and accurate haircut

Question 7

hich of the following chemicals is commonly used in permanent hair relaxing treatments?

Accepted Answer

Sodium hydroxide

Question 8

What is the key technique used in chemical services to add wave or curl to the hair structure?

Accepted Answer

Breaking and reforming disulphide bonds using perm + neutralisers solutions

Question 9

What is a key precaution when performing a chemical service to change the curl pattern or colour of the hair?

Accepted Answer

Perform a patch + strand test to check for sensitivity and hair condition

Question 10

What is the primary scientific process involved in changing the natural hair classification type?

Accepted Answer

Breaking and reforming disulphide bonds within the hair shaft

Question 11

Why is it important to assess the hair and scalp before selecting a shampoo or conditioning treatment?

Accepted Answer

To avoid using products that may cause irritation or allergic reactions

Question 12

What is the main reason for sterilising hairdressing tools between clients?

Accepted Answer

To prevent the spread of infections and cross-contamination

Question 13

What is the main chemical action in semi-permanent and permanent hair rearranging services used to remove curl/wave

Accepted Answer

Softening and reforming the disulphide bonds in the hair structure

Question 14

What is the correct order of the hair growth cycle?

Accepted Answer

Anagen → Catagen → Telogen

Question 15

Before applying a chemical rearranger, what should always be carried out?

Accepted Answer

A strand and elasticity test

Question 16

Which of the following best explains the action of a keratin-based smoothing treatment in professional hair services?

Accepted Answer

It coats the hair shaft with protein to temporarily smooth and reduce frizz

Question 17

Which layer of the hair is primarily affected by chemical rearrangers?

Accepted Answer

Cortex

Question 18

What is the primary reason for carrying out a skin test before applying a permanent hair colour?

Accepted Answer

To test for potential allergic reactions to the product

Question 19

Why is it important to work effectively with colleagues in a salon environment?

Accepted Answer

To deliver services smoothly and clients receive a high standard of care

Question 20

What is the correct action to take if a client slips and falls in the salon?

Accepted Answer

Report to the responsible person and record it in the accident book

Question 21

Which of the following is the most environmentally friendly practice in a salon?

Accepted Answer

Recycling product packaging and reducing water usage

Question 22

What is a legal requirement under UK employment law for all hairdressing employees?

Accepted Answer

A written contract outlining their terms of employment

Question 23

hat is the main difference between rearranging and relaxing techniques?

Accepted Answer

Rearranging partially loosens curls; relaxing fully straightens the hair

Question 24

What is the primary reason for conducting a risk assessment in a salon environment?

Accepted Answer

To identify and minimize potential hazards to staff and clients

Question 25

Why is it important to follow the manufacturer’s instructions when using hair products?

Accepted Answer

To achieve the desired result and avoid adverse reactions

Question 26

What is the primary function of a chemical relaxer in the permanent rearranging of Type 3 and Type 4 hair?

Accepted Answer

Break down the hair’s natural bonds + permanently alter the curl pattern

Question 27

Why is it important to carry out a client consultation before every hairdressing service?

Accepted Answer

To understand the client’s needs and check for any contraindications

Question 28

Which of the following best describes the purpose of the (ICC) in relation to colour selection principles?

Accepted Answer

To provide a universal language to identify colours in different countries

Question 29

Why is adequate ventilation important when using chemical products in a salon?

Accepted Answer

To prevent the build-up of harmful fumes and protect respiratory health

Question 30

Which of the following is a non-contagious skin condition?

Accepted Answer

Psoriasis

Question 31

Which of the following UK laws requires salons to ensure the health, safety, and welfare of employees and clients?

Accepted Answer

Health and Safety at Work Act 1974

Question 32

Why is a neutralising shampoo used after a relaxing service?

Accepted Answer

To stop the chemical process and restore the hair’s pH balance

Question 33

Why is it important to understand hair classification and structure when drying and finishing hair?

Accepted Answer

To select the correct tools, temperature, and techniques for the hair type

Question 34

What is the primary scientific principle involved in changing the depth and tone of hair during a colouring process?

Accepted Answer

Oxidation process lifts natural pigment and deposits artificial colour

Question 35

Which regulation requires salons to control exposure to hazardous substances e.g. hair dyes and cleaning products?

Accepted Answer

Control of Substances Hazardous to Health (COSHH) Regulations 2002

Question 36

Which describes the purpose and considerations of using chemical services to change curl pattern/hair colour

Accepted Answer

They change hair structure, so testing and aftercare are vital

Question 37

Why should clients avoid tying their hair tightly after a relaxing service?

Accepted Answer

It can cause breakage and stress on the hair shaft

Question 38

What is a hydrophilic molecule?

Accepted Answer

Water-loving

Question 39

A common work-related health risk for hairdressers due to frequent exposure to water

Accepted Answer

Dermatitis

Question 40

What is the most appropriate first step when a client is unhappy with their hair service?

Accepted Answer

Listen carefully, remain calm, and ask questions to understand the issue

Level 2 EPA Knowledge test

Questions 40

Level 2 EPA Knowledge test

Questions 40