CHS Scalp & Hair Health 2

Question 1

Which layer of the hair shaft contains the pigment melanin?

Accepted Answer

Cortex

Answer

The cortex is the middle layer of the hair shaft and contains melanin granules that give hair its color.

Question 2

A client presents with a greasy scalp just days after shampooing. Which condition is most likely responsible?

Accepted Answer

Hypersecretion of sebaceous glands

Answer

Hypersecretion (overproduction) of sebaceous glands causes excessive oil production, leading to a greasy scalp shortly after cleansing.

Question 3

What term describes the phase when the hair follicle is completely at rest before the old hair is shed?

Accepted Answer

Telogen

Answer

Telogen is the resting phase of the hair growth cycle, during which the follicle is dormant and the hair is retained until shedding.

Question 4

Traction alopecia is most commonly caused by which of the following?

Accepted Answer

Prolonged tension from tight hairstyles

Answer

Traction alopecia results from repeated or prolonged mechanical tension on the hair follicle from tight styles like braids, ponytails, or extensions.

Question 5

Which vitamin deficiency is most directly associated with hair loss and poor scalp health?

Accepted Answer

Vitamin D

Answer

Vitamin D plays a role in stimulating hair follicle cycling, and deficiency is linked to hair thinning and loss.

(CHS) Certified Hair Stylist Practice Test