Hair & Scalp Care Flashcards

When performing a scalp treatment for a client with psoriasis, the barber should:

Answer: Refer severe cases to a dermatologist and use gentle, non-irritating products

Barbers should use gentle products on psoriasis-affected scalps and refer clients to a dermatologist for medical treatment.

Which vitamin deficiency is most commonly linked to hair thinning and excessive shedding?

Answer: Vitamin B12 and Iron

Deficiencies in Vitamin B12 and iron are among the most common nutritional causes of diffuse hair thinning and telogen effluvium.

What does the term 'trichoptilosis' refer to?

Answer: Split ends

Trichoptilosis is the technical term for split ends, where the hair shaft splits longitudinally due to damage or dryness.

Which type of hair loss is caused by repeated tension from tight styles such as braids, ponytails, or extensions?

Answer: Traction alopecia

Traction alopecia results from prolonged mechanical tension on hair follicles, often along the hairline.

A client has hair that repels water and takes a long time to become saturated when wet. This describes:

Answer: Low porosity hair

Low porosity hair has tightly closed cuticles that resist moisture absorption, causing water to bead on the surface.

What is the function of sebaceous glands in relation to the scalp?

Answer: They produce sebum to lubricate and condition the hair and scalp

Sebaceous glands secrete sebum, a natural oil that lubricates the scalp and hair shaft and provides mild antimicrobial protection.

When selecting a shampoo for a client with dry, brittle hair, the barber should choose a formula that is:

Answer: Moisturizing with humectants and emollients

Moisturizing shampoos containing humectants (like glycerin) and emollients help restore moisture balance in dry, brittle hair.