Understanding Hair and Scalp Basics

What is the outermost layer of the hair shaft called?

• Cortex

• Cuticle

• Medulla

• Follicle

Which part of the hair is responsible for its strength and elasticity?

• Medulla

• Cortex

• Cuticle

• Bulb

What is the natural oil produced by sebaceous glands on the scalp called?

• Keratin

• Sebum

• Melanin

• Collagen

Which hair texture has the largest diameter?

• Fine

• Medium

• Coarse

• Curly

What is the name of the phase in the hair growth cycle when hair is actively growing?

• Catagen

• Telogen

• Anagen

• Exogen

Which of the following is a basic hair care technique?

• Over-processing

• Regular shampooing

• Excessive heat styling

• Ignoring split ends

Which layer of the hair contains pigment that gives hair its color?

• Cuticle

• Cortex

• Medulla

• Follicle

What is the main function of the scalp’s sebaceous glands?

• Produce sweat

• Produce sebum to lubricate hair and scalp

• Produce melanin

• Produce keratin

Which type of hair texture is most prone to breakage?

• Fine

• Medium

• Coarse

• Wavy

What is the resting phase of the hair growth cycle called?

• Anagen

• Catagen

• Telogen

• Exogen