CCP CCP Trichology & Hair Science 2

Question 1

A client presents with circular, scaly patches on the scalp with broken hair shafts. Which condition does this most likely indicate?

Accepted Answer

Tinea capitis

Answer

Tinea capitis is a fungal infection of the scalp characterized by circular, scaly lesions and broken hair shafts near the follicle.

Question 2

What percentage of scalp hair is typically in the active growth (anagen) phase at any given time?

Accepted Answer

85–90%

Answer

Approximately 85–90% of scalp hairs are in the anagen (growth) phase at any given time, which can last 2–7 years.

Question 3

What is the name of the structure at the base of the hair follicle that supplies nutrients and blood to the hair?

Accepted Answer

Dermal papilla

Answer

The dermal papilla is a cluster of connective tissue and capillaries at the base of the follicle that nourishes the hair and controls growth.

Question 4

Which type of hair loss is caused by sensitivity to dihydrotestosterone (DHT) and is the most common form in men?

Accepted Answer

Androgenetic alopecia

Answer

Androgenetic alopecia (male or female pattern baldness) is driven by genetic sensitivity to DHT, which shrinks hair follicles over time.

Question 5

What is 'porosity' in the context of hair science?

Accepted Answer

The ability of hair to absorb and retain moisture

Answer

Hair porosity refers to the cuticle's ability to absorb and retain moisture, which directly affects how well chemical services and conditioners penetrate the shaft.

(CCP) Certified Cosmetology Professional Practice Test

(CCP) Certified Cosmetology Professional Practice Test

CCP CCP Trichology & Hair Science 2