Hair & Scalp Care Flashcards

Which hair growth phase involves active cell division in the hair follicle bulb?

Answer: Anagen

The anagen phase is the active growth phase where hair cells divide rapidly in the follicle bulb, producing new hair.

Canities is the scientific term for:

Answer: Gray or white hair caused by loss of melanin

Canities refers to gray or white hair resulting from a reduction or absence of melanin production in the hair follicle.

A client presents with circular patches of smooth, non-scarring hair loss on the scalp. The most likely condition is:

Answer: Alopecia areata

Alopecia areata is an autoimmune condition causing smooth, oval or circular patches of hair loss without scarring.

Which ingredient in anti-dandruff shampoos works by slowing down the rate of skin cell turnover on the scalp?

Answer: Zinc pyrithione

Zinc pyrithione has antifungal and antibacterial properties that reduce Malassezia yeast activity and slow excessive scalp cell shedding.

What is the correct protocol when a barber notices an open lesion or inflamed infection on a client's scalp?

Answer: Refuse the service and refer the client to a physician

Open lesions and active infections are contraindications; the barber must decline the service and refer the client to a medical professional.

Which scalp condition involves an abnormally dry scalp producing small, white, powdery flakes?

Answer: Pityriasis capitis simplex

Pityriasis capitis simplex is the dry form of dandruff, characterized by fine, white, powdery flakes with no excess oil.

Hair texture (coarse, medium, fine) is determined by the:

Answer: Diameter or width of the individual hair strand

Hair texture is classified by the diameter of the individual hair strand — fine strands are narrow, coarse strands are wide.