©THESTAR 2025 ALL RIGHTS RESERVED 11:44 AM A+
Board of Cosmetology (PSI) Written Exam
Questions And Answers |Latest 2025 |
Guaranteed Pass
The federal agency that regulates & enforces safety & health standards in the workplace? -
Answer✔OSHA
if implements come in contact with blood, they must be disinfected in? -
Answer✔Tuberculocidal
One-celled microorganism with both plant & animal characteristics? - Answer✔Bacteria
First level of decontamination? - Answer✔Sanitation (cleaning)
The method of decontamination which kills spores? - Answer✔Sterilization
Removing all visible dirt & debris by using soap & water? - Answer✔Sanitation
Store disinfected implements in? - Answer✔Clean, dry & cover containers
The chemical process whereby cells are nourished & carry out their activities is? -
Answer✔Metabolism
Study of the structure, function, & diseases of the muscles? - Answer✔Myology
Muscles that control movement of fingers & hand? - Answer✔Muscles of the forearm
Nervous system is responsible for? - Answer✔Coordinating
1|Page
, ©THESTAR 2025 ALL RIGHTS RESERVED 11:44 AM A+
Science that deals with the composition, structures, & properties of matter? -
Answer✔Chemistry
The ph·scale measures? - Answer✔The acidity & alkalinity
Redox reactions involve a transfer between the oxidizing agent and? - Answer✔The reducing
agent
The negative electrode is called? - Answer✔A Cathode
A design that creates 2 resulting halves form a mirror image of one another? -
Answer✔Symmetrical
Wave pattern & hair texture define? - Answer✔Surface appearance
The face shape that ideals for modifying all other facial types? - Answer✔Oval
A good shampoo has a pH ranging from? - Answer✔4.5 - 5.5
What chemical is used to clean shampoo bowl after each client - Answer✔Disinfectant
Scalp treatment can be performed before? - Answer✔Shampoo
Cap could be used along with? - Answer✔Neck Strip
Place cap cover on shampoo chair to prevent? - Answer✔Water from running down the client's
neck
Maintaining good posture helps? - Answer✔Keep practitioner's well-being
Cross-checking helps? - Answer✔Balance the haircut
Hair that is resistant is? - Answer✔Poor porosity
2|Page
, ©THESTAR 2025 ALL RIGHTS RESERVED 11:44 AM A+
Complementary colors are primary & secondary colors that are positioned? - Answer✔Directly
opposite each other
An oxidizing agent that is mixed with hair color or hair lightener? - Answer✔Hydrogen peroxide
The preliminary test will tell you how the hair will react to the formula? - Answer✔Strand Test
Apply the lightener to the hair near the scalp with? - Answer✔1/2 inch partings
Fillers help? - Answer✔Equalize porosity
To make uniform color when coloring prelightened hair back to its natural color? -
Answer✔Color Filler
When prelightening, if area is too dark, use? - Answer✔Hair color remover
To avoid overlapping during a hair color retouch, just color up to? - Answer✔The demarcation
line
In permanent wave, the size of curl is determined by? - Answer✔The size of rod
Hair that may not be able to hold the curl from permanent wave? - Answer✔Low elasticity hair
2 most common types of chemical hair relaxers? - Answer✔Ammonium thioglycolate &
hydroxide
Alkaline permanent wave solution? - Answer✔Soften & swell the hair
To prevent chipping to the finished nail use? - Answer✔Top coat
What kind of manicure requires heat? - Answer✔Conditioning oil manicure
Which product enhances the adhesion of acrylic to the natural nail? - Answer✔Nail primer
3|Page
, ©THESTAR 2025 ALL RIGHTS RESERVED 11:44 AM A+
To take off acrylic nail? - Answer✔Soak in acetone remover
How to use an epilator? - Answer✔Wax heater
After hair removing? - Answer✔Use astringent
Small wig that men usually use? - Answer✔Toupees
Method of attaching extension hair that is bonded to the client's hair with a bonding material? -
Answer✔Fusion
The chemical bond that link amino acids together? - Answer✔Peptide bonds (end bonds)
Chemical hair relaxer penetrate to hair shaft begin at? - Answer✔Cuticle
Hair color is recorded? - Answer✔Every time client gets color services
To protect your skin, sunscreen must have an SPF of? - Answer✔15 or Higher
Stroking movement massage? - Answer✔Effleurage
The massage method that effects nerves & tendons? - Answer✔Petrissage
When doing basic facial, drape the client from? - Answer✔Chest under
Bitten nails? - Answer✔Onychophagy
Onychomycosis is? - Answer✔Fungal Infection
Bacteria inflammation of the tissues surrounding the nail? - Answer✔Paronychia
Atrophy or wasting away of the nail? - Answer✔Onychatrophia
4|Page
Board of Cosmetology (PSI) Written Exam
Questions And Answers |Latest 2025 |
Guaranteed Pass
The federal agency that regulates & enforces safety & health standards in the workplace? -
Answer✔OSHA
if implements come in contact with blood, they must be disinfected in? -
Answer✔Tuberculocidal
One-celled microorganism with both plant & animal characteristics? - Answer✔Bacteria
First level of decontamination? - Answer✔Sanitation (cleaning)
The method of decontamination which kills spores? - Answer✔Sterilization
Removing all visible dirt & debris by using soap & water? - Answer✔Sanitation
Store disinfected implements in? - Answer✔Clean, dry & cover containers
The chemical process whereby cells are nourished & carry out their activities is? -
Answer✔Metabolism
Study of the structure, function, & diseases of the muscles? - Answer✔Myology
Muscles that control movement of fingers & hand? - Answer✔Muscles of the forearm
Nervous system is responsible for? - Answer✔Coordinating
1|Page
, ©THESTAR 2025 ALL RIGHTS RESERVED 11:44 AM A+
Science that deals with the composition, structures, & properties of matter? -
Answer✔Chemistry
The ph·scale measures? - Answer✔The acidity & alkalinity
Redox reactions involve a transfer between the oxidizing agent and? - Answer✔The reducing
agent
The negative electrode is called? - Answer✔A Cathode
A design that creates 2 resulting halves form a mirror image of one another? -
Answer✔Symmetrical
Wave pattern & hair texture define? - Answer✔Surface appearance
The face shape that ideals for modifying all other facial types? - Answer✔Oval
A good shampoo has a pH ranging from? - Answer✔4.5 - 5.5
What chemical is used to clean shampoo bowl after each client - Answer✔Disinfectant
Scalp treatment can be performed before? - Answer✔Shampoo
Cap could be used along with? - Answer✔Neck Strip
Place cap cover on shampoo chair to prevent? - Answer✔Water from running down the client's
neck
Maintaining good posture helps? - Answer✔Keep practitioner's well-being
Cross-checking helps? - Answer✔Balance the haircut
Hair that is resistant is? - Answer✔Poor porosity
2|Page
, ©THESTAR 2025 ALL RIGHTS RESERVED 11:44 AM A+
Complementary colors are primary & secondary colors that are positioned? - Answer✔Directly
opposite each other
An oxidizing agent that is mixed with hair color or hair lightener? - Answer✔Hydrogen peroxide
The preliminary test will tell you how the hair will react to the formula? - Answer✔Strand Test
Apply the lightener to the hair near the scalp with? - Answer✔1/2 inch partings
Fillers help? - Answer✔Equalize porosity
To make uniform color when coloring prelightened hair back to its natural color? -
Answer✔Color Filler
When prelightening, if area is too dark, use? - Answer✔Hair color remover
To avoid overlapping during a hair color retouch, just color up to? - Answer✔The demarcation
line
In permanent wave, the size of curl is determined by? - Answer✔The size of rod
Hair that may not be able to hold the curl from permanent wave? - Answer✔Low elasticity hair
2 most common types of chemical hair relaxers? - Answer✔Ammonium thioglycolate &
hydroxide
Alkaline permanent wave solution? - Answer✔Soften & swell the hair
To prevent chipping to the finished nail use? - Answer✔Top coat
What kind of manicure requires heat? - Answer✔Conditioning oil manicure
Which product enhances the adhesion of acrylic to the natural nail? - Answer✔Nail primer
3|Page
, ©THESTAR 2025 ALL RIGHTS RESERVED 11:44 AM A+
To take off acrylic nail? - Answer✔Soak in acetone remover
How to use an epilator? - Answer✔Wax heater
After hair removing? - Answer✔Use astringent
Small wig that men usually use? - Answer✔Toupees
Method of attaching extension hair that is bonded to the client's hair with a bonding material? -
Answer✔Fusion
The chemical bond that link amino acids together? - Answer✔Peptide bonds (end bonds)
Chemical hair relaxer penetrate to hair shaft begin at? - Answer✔Cuticle
Hair color is recorded? - Answer✔Every time client gets color services
To protect your skin, sunscreen must have an SPF of? - Answer✔15 or Higher
Stroking movement massage? - Answer✔Effleurage
The massage method that effects nerves & tendons? - Answer✔Petrissage
When doing basic facial, drape the client from? - Answer✔Chest under
Bitten nails? - Answer✔Onychophagy
Onychomycosis is? - Answer✔Fungal Infection
Bacteria inflammation of the tissues surrounding the nail? - Answer✔Paronychia
Atrophy or wasting away of the nail? - Answer✔Onychatrophia
4|Page
