Milady Barbering Chemical Services
Practice Exam QUESTIONS AND
CORRECT ANSWERS (VERIFIED
ANSWERS) PLUS RATIONALES 2025
1. What is the main purpose of a preliminary strand test in chemical services?
A. To determine haircut precision
B. To see how the hair will react to the chemical
C. To cleanse the scalp
D. To check for lice
This test helps predict how hair will respond to the chemical and ensures
client safety.
2. Which layer of the hair must be softened for chemical texture services to
be effective?
A. Cuticle
B. Cortex
C. Medulla
D. Follicle
, Chemical services affect the cortex, which determines hair strength and
elasticity.
3. What pH range do most permanent waves fall under?
A. 2.5–3.5
B. 4.5–5.5
C. 8.0–9.5
D. 11.0–13.5
Alkaline waves typically fall within this range to effectively break disulfide
bonds.
4. What is the active ingredient in alkaline permanent waves?
A. Glycerin
B. Ammonium thioglycolate
C. Sodium hypochlorite
D. Hydrogen peroxide
Ammonium thioglycolate is the reducing agent that breaks disulfide
bonds in hair.
5. Which type of relaxer is recommended for coarse, resistant hair?
A. No-lye relaxer
B. Thio relaxer
C. Sodium hydroxide relaxer
D. Neutralizer
Sodium hydroxide relaxers are strongest and work best on resistant
textures.
, 6. What is the primary purpose of a neutralizer in a permanent wave?
A. To soften the hair
B. To rebuild the disulfide bonds
C. To dry the hair
D. To color the hair
Neutralizers re-harden the hair by reforming disulfide bonds broken
during waving.
7. Before any chemical service, what should always be conducted?
A. Blow-dry
B. Client consultation and scalp analysis
C. Haircut
D. Massage
These steps ensure the client is a safe and suitable candidate for the
service.
8. Which relaxer requires the use of a base cream on the scalp?
A. Thio relaxer
B. No-base relaxer
C. Base relaxer
D. Keratin treatment
Base relaxers need protective cream to prevent scalp irritation or burns.
9. What determines the strength of a relaxer product?
A. Scent
B. Texture
C. Concentration of hydroxide or thio content
Practice Exam QUESTIONS AND
CORRECT ANSWERS (VERIFIED
ANSWERS) PLUS RATIONALES 2025
1. What is the main purpose of a preliminary strand test in chemical services?
A. To determine haircut precision
B. To see how the hair will react to the chemical
C. To cleanse the scalp
D. To check for lice
This test helps predict how hair will respond to the chemical and ensures
client safety.
2. Which layer of the hair must be softened for chemical texture services to
be effective?
A. Cuticle
B. Cortex
C. Medulla
D. Follicle
, Chemical services affect the cortex, which determines hair strength and
elasticity.
3. What pH range do most permanent waves fall under?
A. 2.5–3.5
B. 4.5–5.5
C. 8.0–9.5
D. 11.0–13.5
Alkaline waves typically fall within this range to effectively break disulfide
bonds.
4. What is the active ingredient in alkaline permanent waves?
A. Glycerin
B. Ammonium thioglycolate
C. Sodium hypochlorite
D. Hydrogen peroxide
Ammonium thioglycolate is the reducing agent that breaks disulfide
bonds in hair.
5. Which type of relaxer is recommended for coarse, resistant hair?
A. No-lye relaxer
B. Thio relaxer
C. Sodium hydroxide relaxer
D. Neutralizer
Sodium hydroxide relaxers are strongest and work best on resistant
textures.
, 6. What is the primary purpose of a neutralizer in a permanent wave?
A. To soften the hair
B. To rebuild the disulfide bonds
C. To dry the hair
D. To color the hair
Neutralizers re-harden the hair by reforming disulfide bonds broken
during waving.
7. Before any chemical service, what should always be conducted?
A. Blow-dry
B. Client consultation and scalp analysis
C. Haircut
D. Massage
These steps ensure the client is a safe and suitable candidate for the
service.
8. Which relaxer requires the use of a base cream on the scalp?
A. Thio relaxer
B. No-base relaxer
C. Base relaxer
D. Keratin treatment
Base relaxers need protective cream to prevent scalp irritation or burns.
9. What determines the strength of a relaxer product?
A. Scent
B. Texture
C. Concentration of hydroxide or thio content
