Cosmetology Theory Exam [100%
Correct Answers] 2024/2025
What is the primary purpose of a patch test in cosmetology?
**ANS** To determine if a client has an allergic reaction to a product.
Which type of hair is most susceptible to damage from chemical treatments?
**ANS** Fine hair.
What is the ideal pH range for shampoos used in salon settings?
**ANS** 4.5 to 5.5.
What is the role of a disinfectant in a cosmetology salon?
**ANS** To kill pathogens on non-porous surfaces.
What is the main ingredient in a relaxer that breaks down disulfide bonds in hair?
**ANS** Sodium hydroxide.
Which technique is used to add volume to fine hair during styling?
**ANS** Backcombing.
What should be done if a chemical burn occurs during a service?
**ANS** Rinse the area with cool water and seek medical attention if necessary.
What type of hair color requires a developer to activate?
**ANS** Permanent hair color.
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,Which skin condition is characterized by red, inflamed patches and is often triggered by stress?
**ANS** Psoriasis.
What is the most effective way to prevent the spread of infectious diseases in a salon?
**ANS** Practicing proper sanitation and disinfection protocols.
What type of haircut uses the technique of cutting at an angle to create layers?
**ANS** Layered haircut.
What is the purpose of a scalp massage during a shampoo service?
**ANS** To stimulate blood circulation and relax the client.
What should a cosmetologist do if they suspect a client has a contagious skin condition?
**ANS** Refuse service and recommend the client see a dermatologist.
Which ingredient is commonly found in exfoliating scrubs?
**ANS** Microbeads or natural exfoliants like sugar or salt.
What is the difference between a cold wave and a hot wave in perming?
**ANS** Cold waves use room temperature and alkaline solutions, while hot waves require heat.
What is the standard practice for disposing of used razor blades?
**ANS** Place them in a sharps container.
What is the significance of the client consultation form?
**ANS** To gather information about the client's needs and preferences.
What type of brush is best for smoothing out frizz in curly hair?
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, **ANS** A wide-tooth comb.
What does the term "porosity" refer to in hair?
**ANS** The hair's ability to absorb moisture.
Which tool is used to create precise lines when cutting hair?
**ANS** Shears.
What type of skin care product is typically applied before makeup?
**ANS** Primer.
What is the recommended method for sanitizing brushes and combs?
**ANS** Soak in a disinfectant solution and rinse thoroughly.
Which hair color technique creates a gradient effect?
**ANS** Ombre.
What is the role of a consultation in a hair coloring service?
**ANS** To ensure the desired result aligns with the client's expectations.
What should be done immediately after a chemical service to restore moisture to the hair?
**ANS** Apply a deep conditioning treatment.
What type of perm solution is less damaging to the hair?
**ANS** Acid waves.
What should a cosmetologist do if a client shows signs of a severe allergic reaction?
**ANS** Administer first aid and call emergency services.
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