Hairstyling

How does the structure of hair affect its ability to hold a style?

• The cuticle layer determines the strength of the hair

• The medulla is responsible for hair color

• The cortex determines the hair's elasticity

• The follicle shape affects hair growth rate

Which chemical bond is primarily responsible for the strength and shape of hair?

• Ionic bonds

• Covalent bonds

• Hydrogen bonds

• Disulfide bonds

What is the main protein found in hair that contributes to its structure?

• Collagen

• Keratin

• Elastin

• Myosin

Which of the following processes is used to permanently change the shape of hair?

• Hydration

• Oxidation

• Reduction

• Neutralization

What role does pH play in hair care products?

• It affects the color of the hair

• It determines the moisture content

• It influences the cuticle's openness

• It changes the hair's protein structure

How does humidity affect hair styling?

• Increases hair volume

• Decreases hair volume

• Makes hair more brittle

• Reduces hair shine

Which of the following is a common method to straighten hair temporarily?

• Chemical perming

• Blow drying

• Keratin treatment

• Hair coloring

What is the effect of heat on hair proteins during styling?

• Denaturation

• Hydrolysis

• Oxidation

• Polymerization

Which vitamin is essential for maintaining healthy hair?

• Vitamin A

• Vitamin C

• Vitamin D

• Vitamin E

What is the primary function of the hair cuticle?

• To provide color

• To protect the inner layers

• To supply nutrients

• To regulate temperature