Hair & Scalp Care Flashcards

Which layer of the scalp contains the blood vessels and nerve endings that supply the hair follicles?

Answer: Dermis

The dermis contains blood vessels that nourish hair follicles and nerve endings that make the scalp sensitive to touch and pain.

When a barber recommends a scalp treatment for excessive oiliness, which type of product would be most appropriate?

Answer: Astringent scalp tonic

Astringent scalp tonics temporarily tighten pores and reduce sebum flow, making them suitable for oily scalp conditions.

What is hypertrichosis?

Answer: Excessive hair growth beyond normal for age, sex, or body area

Hypertrichosis is a condition of excessive hair growth anywhere on the body, beyond what is typical for that individual's age and sex.

Which scalp massage technique uses light, rhythmic, tapping or slapping movements to stimulate circulation?

Answer: Tapotement

Tapotement involves brisk, percussive tapping or chopping movements that stimulate nerve endings and improve blood circulation.

A client is experiencing sudden, diffuse hair shedding approximately 3 months after a major illness. This pattern is most consistent with:

Answer: Telogen effluvium

Telogen effluvium is a reactive hair loss triggered by physical or emotional stress, typically appearing 2–4 months after the triggering event.

The arrector pili muscle attached to the hair follicle is responsible for:

Answer: Causing the hair to stand erect (goosebumps) when stimulated

The arrector pili is a small smooth muscle that contracts in response to cold or fear, causing the hair to stand upright and producing goosebumps.

Which ingredient is commonly found in dandruff shampoos and works by exfoliating the scalp through keratolytic action?

Answer: Salicylic acid

Salicylic acid is a keratolytic agent that softens and helps shed the outer layer of scalp skin, reducing flake buildup.