PSI Exam (Barbering) Final Review
2024/2025| Complete Q&A
What is the primary purpose of a patch test before applying hair color?
To check for allergic reactions to the product.
Which of the following tools is used for cutting hair?
Shears or scissors.
What is the ideal angle for holding shears when cutting hair?
A 45-degree angle for layering and a straight angle for blunt cuts.
What is the function of a comb in barbering?
To section hair and assist in precise cutting and styling.
What is the primary purpose of a toner in hair coloring?
To neutralize unwanted tones and enhance the overall color.
Which type of chemical treatment is used to permanently straighten curly hair?
Chemical relaxer.
What is the significance of the pH level in hair products?
1
, It affects the hair's cuticle layer and overall health.
What is the recommended process for disinfecting tools after each use?
Clean with soap and water, then immerse in an EPA-approved disinfectant.
What should a barber do if a client has an open wound on the scalp?
Avoid performing services on the affected area and refer the client to a physician.
What is the primary function of hair conditioners?
To moisturize and detangle the hair.
How should clippers be cleaned after each use?
Brush off hair and disinfect the blades with an appropriate solution.
What is the difference between semi-permanent and permanent hair color?
Semi-permanent lasts a few weeks and doesn't penetrate the hair shaft deeply, while
permanent color offers long-lasting results.
What is the main benefit of using a hot towel during a shaving service?
It opens the pores and softens the beard hair for a closer shave.
Which scalp treatment is beneficial for dandruff?
2
, Anti-dandruff shampoo or treatment containing active ingredients like pyrithione zinc.
What is the primary risk associated with using sharp tools in barbering?
The risk of injury or infection.
What technique is used to blend different lengths of hair?
Tapering or texturizing.
What is the appropriate temperature for a relaxing solution during a chemical service?
Room temperature, as excessive heat can cause damage.
What is the recommended action if a chemical service causes irritation?
Rinse the area with water and discontinue use of the product.
What is the primary purpose of using a barrier cream before a chemical treatment?
To protect the skin from irritation.
What should be done if a client requests a service that the barber is not trained to perform?
Politely refuse and recommend a qualified professional.
What is the significance of continuing education in the barbering field?
To stay current with industry trends, techniques, and safety standards.
3
, How should a barber handle a client with a skin condition?
Assess the condition and adjust services accordingly, ensuring client comfort and safety.
What is the best way to remove excess color from the skin?
Use a gentle cleanser or oil before it sets.
What is the recommended frequency for washing hair after a chemical treatment?
Wait at least 48 hours before washing to allow the treatment to set.
What is the primary purpose of a client consultation?
To discuss client preferences and assess hair condition.
What is the function of the cuticle layer in hair?
To protect the inner layers of the hair and maintain moisture.
What type of hair is most susceptible to damage during chemical treatments?
Fine or previously damaged hair.
What is the importance of using a color wheel in hair coloring?
To understand complementary colors and make necessary adjustments.
4
2024/2025| Complete Q&A
What is the primary purpose of a patch test before applying hair color?
To check for allergic reactions to the product.
Which of the following tools is used for cutting hair?
Shears or scissors.
What is the ideal angle for holding shears when cutting hair?
A 45-degree angle for layering and a straight angle for blunt cuts.
What is the function of a comb in barbering?
To section hair and assist in precise cutting and styling.
What is the primary purpose of a toner in hair coloring?
To neutralize unwanted tones and enhance the overall color.
Which type of chemical treatment is used to permanently straighten curly hair?
Chemical relaxer.
What is the significance of the pH level in hair products?
1
, It affects the hair's cuticle layer and overall health.
What is the recommended process for disinfecting tools after each use?
Clean with soap and water, then immerse in an EPA-approved disinfectant.
What should a barber do if a client has an open wound on the scalp?
Avoid performing services on the affected area and refer the client to a physician.
What is the primary function of hair conditioners?
To moisturize and detangle the hair.
How should clippers be cleaned after each use?
Brush off hair and disinfect the blades with an appropriate solution.
What is the difference between semi-permanent and permanent hair color?
Semi-permanent lasts a few weeks and doesn't penetrate the hair shaft deeply, while
permanent color offers long-lasting results.
What is the main benefit of using a hot towel during a shaving service?
It opens the pores and softens the beard hair for a closer shave.
Which scalp treatment is beneficial for dandruff?
2
, Anti-dandruff shampoo or treatment containing active ingredients like pyrithione zinc.
What is the primary risk associated with using sharp tools in barbering?
The risk of injury or infection.
What technique is used to blend different lengths of hair?
Tapering or texturizing.
What is the appropriate temperature for a relaxing solution during a chemical service?
Room temperature, as excessive heat can cause damage.
What is the recommended action if a chemical service causes irritation?
Rinse the area with water and discontinue use of the product.
What is the primary purpose of using a barrier cream before a chemical treatment?
To protect the skin from irritation.
What should be done if a client requests a service that the barber is not trained to perform?
Politely refuse and recommend a qualified professional.
What is the significance of continuing education in the barbering field?
To stay current with industry trends, techniques, and safety standards.
3
, How should a barber handle a client with a skin condition?
Assess the condition and adjust services accordingly, ensuring client comfort and safety.
What is the best way to remove excess color from the skin?
Use a gentle cleanser or oil before it sets.
What is the recommended frequency for washing hair after a chemical treatment?
Wait at least 48 hours before washing to allow the treatment to set.
What is the primary purpose of a client consultation?
To discuss client preferences and assess hair condition.
What is the function of the cuticle layer in hair?
To protect the inner layers of the hair and maintain moisture.
What type of hair is most susceptible to damage during chemical treatments?
Fine or previously damaged hair.
What is the importance of using a color wheel in hair coloring?
To understand complementary colors and make necessary adjustments.
4
